diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/NotRunningJob.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/NotRunningJob.java
index bfdc6db8ab..90635a6885 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/NotRunningJob.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/main/java/org/apache/hadoop/mapred/NotRunningJob.java
@@ -89,7 +89,7 @@ private ApplicationReport getUnknownApplicationReport() {
     // used for a non running job
     return ApplicationReport.newInstance(unknownAppId, unknownAttemptId,
       "N/A", "N/A", "N/A", "N/A", 0, null, YarnApplicationState.NEW, "N/A",
-      "N/A", 0, 0, 0, FinalApplicationStatus.UNDEFINED, null, "N/A", 0.0f,
+      "N/A", 0, 0, FinalApplicationStatus.UNDEFINED, null, "N/A", 0.0f,
       YarnConfiguration.DEFAULT_APPLICATION_TYPE, null);
   }
 
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestClientServiceDelegate.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestClientServiceDelegate.java
index 275456df83..b85f18db4e 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestClientServiceDelegate.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestClientServiceDelegate.java
@@ -515,7 +515,7 @@ private ApplicationReport getFinishedApplicationReport() {
         appId, 0);
     return ApplicationReport.newInstance(appId, attemptId, "user", "queue",
       "appname", "host", 124, null, YarnApplicationState.FINISHED,
-      "diagnostics", "url", 0, 0, 0, FinalApplicationStatus.SUCCEEDED, null,
+      "diagnostics", "url", 0, 0, FinalApplicationStatus.SUCCEEDED, null,
       "N/A", 0.0f, YarnConfiguration.DEFAULT_APPLICATION_TYPE, null);
   }
 
@@ -525,7 +525,7 @@ private ApplicationReport getRunningApplicationReport(String host, int port) {
         appId, 0);
     return ApplicationReport.newInstance(appId, attemptId, "user", "queue",
       "appname", host, port, null, YarnApplicationState.RUNNING, "diagnostics",
-      "url", 0, 0, 0, FinalApplicationStatus.UNDEFINED, null, "N/A", 0.0f,
+      "url", 0, 0, FinalApplicationStatus.UNDEFINED, null, "N/A", 0.0f,
       YarnConfiguration.DEFAULT_APPLICATION_TYPE, null);
   }
 
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestYARNRunner.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestYARNRunner.java
index babf22b639..932e808bf7 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestYARNRunner.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestYARNRunner.java
@@ -272,8 +272,7 @@ public ClientServiceDelegate answer(InvocationOnMock invocation)
         .thenReturn(
             ApplicationReport.newInstance(appId, null, "tmp", "tmp", "tmp",
                 "tmp", 0, null, YarnApplicationState.FINISHED, "tmp", "tmp",
-                0L, 0L, 0L,
-                 FinalApplicationStatus.SUCCEEDED, null, null, 0f,
+                0l, 0l, FinalApplicationStatus.SUCCEEDED, null, null, 0f,
                 "tmp", null));
     yarnRunner.killJob(jobId);
     verify(clientDelegate).killJob(jobId);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationReport.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationReport.java
index 711424b543..962bbba407 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationReport.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/api/records/ApplicationReport.java
@@ -58,8 +58,7 @@ public static ApplicationReport newInstance(ApplicationId applicationId,
       ApplicationAttemptId applicationAttemptId, String user, String queue,
       String name, String host, int rpcPort, Token clientToAMToken,
       YarnApplicationState state, String diagnostics, String url,
-      long startTime, long launchTime, long finishTime,
-      FinalApplicationStatus finalStatus,
+      long startTime, long finishTime, FinalApplicationStatus finalStatus,
       ApplicationResourceUsageReport appResources, String origTrackingUrl,
       float progress, String applicationType, Token amRmToken) {
     ApplicationReport report = Records.newRecord(ApplicationReport.class);
@@ -75,7 +74,6 @@ public static ApplicationReport newInstance(ApplicationId applicationId,
     report.setDiagnostics(diagnostics);
     report.setTrackingUrl(url);
     report.setStartTime(startTime);
-    report.setLaunchTime(launchTime);
     report.setFinishTime(finishTime);
     report.setFinalApplicationStatus(finalStatus);
     report.setApplicationResourceUsageReport(appResources);
@@ -86,40 +84,13 @@ public static ApplicationReport newInstance(ApplicationId applicationId,
     return report;
   }
 
-
-  @Private
-  @Unstable
-  public static ApplicationReport newInstance(ApplicationId applicationId,
-        ApplicationAttemptId applicationAttemptId, String user, String queue,
-        String name, String host, int rpcPort, Token clientToAMToken,
-        YarnApplicationState state, String diagnostics, String url,
-        long startTime, long finishTime,
-        FinalApplicationStatus finalStatus,
-        ApplicationResourceUsageReport appResources, String origTrackingUrl,
-        float progress, String applicationType, Token amRmToken,
-        Set<String> tags, boolean unmanagedApplication, Priority priority,
-        String appNodeLabelExpression, String amNodeLabelExpression) {
-    ApplicationReport report =
-            newInstance(applicationId, applicationAttemptId, user, queue, name,
-                    host, rpcPort, clientToAMToken, state, diagnostics, url,
-                    startTime, 0, finishTime, finalStatus, appResources,
-                    origTrackingUrl, progress, applicationType, amRmToken);
-    report.setApplicationTags(tags);
-    report.setUnmanagedApp(unmanagedApplication);
-    report.setPriority(priority);
-    report.setAppNodeLabelExpression(appNodeLabelExpression);
-    report.setAmNodeLabelExpression(amNodeLabelExpression);
-    return report;
-  }
-
   @Private
   @Unstable
   public static ApplicationReport newInstance(ApplicationId applicationId,
       ApplicationAttemptId applicationAttemptId, String user, String queue,
       String name, String host, int rpcPort, Token clientToAMToken,
       YarnApplicationState state, String diagnostics, String url,
-      long startTime, long launchTime, long finishTime,
-      FinalApplicationStatus finalStatus,
+      long startTime, long finishTime, FinalApplicationStatus finalStatus,
       ApplicationResourceUsageReport appResources, String origTrackingUrl,
       float progress, String applicationType, Token amRmToken, Set<String> tags,
       boolean unmanagedApplication, Priority priority,
@@ -127,8 +98,8 @@ public static ApplicationReport newInstance(ApplicationId applicationId,
     ApplicationReport report =
         newInstance(applicationId, applicationAttemptId, user, queue, name,
           host, rpcPort, clientToAMToken, state, diagnostics, url, startTime,
-          launchTime, finishTime, finalStatus, appResources,
-          origTrackingUrl, progress, applicationType, amRmToken);
+          finishTime, finalStatus, appResources, origTrackingUrl, progress,
+          applicationType, amRmToken);
     report.setApplicationTags(tags);
     report.setUnmanagedApp(unmanagedApplication);
     report.setPriority(priority);
@@ -311,14 +282,6 @@ public static ApplicationReport newInstance(ApplicationId applicationId,
   @Unstable
   public abstract void setStartTime(long startTime);
 
-  @Private
-  @Unstable
-  public abstract void setLaunchTime(long setLaunchTime);
-
-  @Public
-  @Unstable
-  public abstract long getLaunchTime();
-
   /**
    * Get the <em>finish time</em> of the application.
    * @return <em>finish time</em> of the application
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_protos.proto b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_protos.proto
index d6138e865f..5e200dc52d 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_protos.proto
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/proto/yarn_protos.proto
@@ -281,7 +281,6 @@ message ApplicationReportProto {
   optional string appNodeLabelExpression = 24;
   optional string amNodeLabelExpression = 25;
   repeated AppTimeoutsMapProto appTimeouts = 26;
-  optional int64 launchTime = 27;
 }
 
 message AppTimeoutsMapProto {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/ProtocolHATestBase.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/ProtocolHATestBase.java
index 474ae78823..7937b1594b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/ProtocolHATestBase.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/ProtocolHATestBase.java
@@ -626,7 +626,7 @@ public ApplicationReport createFakeAppReport() {
           ApplicationReport.newInstance(appId, attemptId, "fakeUser",
               "fakeQueue", "fakeApplicationName", "localhost", 0, null,
               YarnApplicationState.FINISHED, "fake an application report", "",
-              1000L, 1000L, 1200L, FinalApplicationStatus.FAILED, null, "", 50f,
+              1000L, 1200L, FinalApplicationStatus.FAILED, null, "", 50f,
               "fakeApplicationType", null);
       return report;
     }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAHSClient.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAHSClient.java
index f0e3ca2a4c..c3e3c41477 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAHSClient.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestAHSClient.java
@@ -332,7 +332,7 @@ private void createAppReports() {
           ApplicationReport.newInstance(applicationId,
             ApplicationAttemptId.newInstance(applicationId, 1), "user",
             "queue", "appname", "host", 124, null,
-            YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+            YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
             FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN",
             null);
       List<ApplicationReport> applicationReports =
@@ -389,7 +389,7 @@ private void createAppReports() {
           ApplicationReport.newInstance(applicationId2,
             ApplicationAttemptId.newInstance(applicationId2, 2), "user2",
             "queue2", "appname2", "host2", 125, null,
-            YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2, 2,
+            YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2,
             FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.63789f,
             "NON-YARN", null);
       applicationReports.add(newApplicationReport2);
@@ -399,7 +399,7 @@ private void createAppReports() {
           ApplicationReport.newInstance(applicationId3,
             ApplicationAttemptId.newInstance(applicationId3, 3), "user3",
             "queue3", "appname3", "host3", 126, null,
-            YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3, 3,
+            YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3,
             FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.73789f,
             "MAPREDUCE", null);
       applicationReports.add(newApplicationReport3);
@@ -409,7 +409,7 @@ private void createAppReports() {
           ApplicationReport.newInstance(applicationId4,
             ApplicationAttemptId.newInstance(applicationId4, 4), "user4",
             "queue4", "appname4", "host4", 127, null,
-            YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4, 4,
+            YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4,
             FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.83789f,
             "NON-MAPREDUCE", null);
       applicationReports.add(newApplicationReport4);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestYarnClient.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestYarnClient.java
index b84b49c734..f6e305fab7 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestYarnClient.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/api/impl/TestYarnClient.java
@@ -737,7 +737,7 @@ private List<ApplicationReport> createAppReports() {
       ApplicationReport newApplicationReport = ApplicationReport.newInstance(
           applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
           "user", "queue", "appname", "host", 124, null,
-          YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+          YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
           FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
       List<ApplicationReport> applicationReports = new ArrayList<ApplicationReport>();
       applicationReports.add(newApplicationReport);
@@ -812,7 +812,7 @@ private List<ApplicationReport> createAppReports() {
       ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
           applicationId2, ApplicationAttemptId.newInstance(applicationId2, 2),
           "user2", "queue2", "appname2", "host2", 125, null,
-          YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2, 2,
+          YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2,
           FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.63789f, "NON-YARN", 
         null);
       applicationReports.add(newApplicationReport2);
@@ -821,7 +821,7 @@ private List<ApplicationReport> createAppReports() {
       ApplicationReport newApplicationReport3 = ApplicationReport.newInstance(
           applicationId3, ApplicationAttemptId.newInstance(applicationId3, 3),
           "user3", "queue3", "appname3", "host3", 126, null,
-          YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3, 3,
+          YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3,
           FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.73789f, "MAPREDUCE",
         null);
       applicationReports.add(newApplicationReport3);
@@ -832,7 +832,7 @@ private List<ApplicationReport> createAppReports() {
               applicationId4,
               ApplicationAttemptId.newInstance(applicationId4, 4),
               "user4", "queue4", "appname4", "host4", 127, null,
-              YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4, 4,
+              YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4,
               FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.83789f,
               "NON-MAPREDUCE", null);
       applicationReports.add(newApplicationReport4);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java
index 82a20ebec5..1f6488db9e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-client/src/test/java/org/apache/hadoop/yarn/client/cli/TestYarnCLI.java
@@ -136,7 +136,7 @@ public void testGetApplicationReport() throws Exception {
       ApplicationReport newApplicationReport = ApplicationReport.newInstance(
           applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
           "user", "queue", "appname", "host", 124, null,
-          YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+          YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
           FinalApplicationStatus.SUCCEEDED, usageReport, "N/A", 0.53789f, "YARN",
           null, null, false, Priority.newInstance(0), "high-mem", "high-mem");
       newApplicationReport.setLogAggregationStatus(LogAggregationStatus.SUCCEEDED);
@@ -383,7 +383,7 @@ public void testGetApplications() throws Exception {
     ApplicationReport newApplicationReport = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null,
         Sets.newHashSet("tag1", "tag3"), false, Priority.UNDEFINED, "", "");
     List<ApplicationReport> applicationReports =
@@ -394,7 +394,7 @@ public void testGetApplications() throws Exception {
     ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
         applicationId2, ApplicationAttemptId.newInstance(applicationId2, 2),
         "user2", "queue2", "appname2", "host2", 125, null,
-        YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2, 2,
+        YarnApplicationState.FINISHED, "diagnostics2", "url2", 2, 2,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.63789f, "NON-YARN", 
         null, Sets.newHashSet("tag2", "tag3"), false, Priority.UNDEFINED,
         "", "");
@@ -404,7 +404,7 @@ public void testGetApplications() throws Exception {
     ApplicationReport newApplicationReport3 = ApplicationReport.newInstance(
         applicationId3, ApplicationAttemptId.newInstance(applicationId3, 3),
         "user3", "queue3", "appname3", "host3", 126, null,
-        YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3, 3,
+        YarnApplicationState.RUNNING, "diagnostics3", "url3", 3, 3,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.73789f, "MAPREDUCE", 
         null, Sets.newHashSet("tag1", "tag4"), false, Priority.UNDEFINED,
         "", "");
@@ -414,7 +414,7 @@ public void testGetApplications() throws Exception {
     ApplicationReport newApplicationReport4 = ApplicationReport.newInstance(
         applicationId4, ApplicationAttemptId.newInstance(applicationId4, 4),
         "user4", "queue4", "appname4", "host4", 127, null,
-        YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4, 4,
+        YarnApplicationState.FAILED, "diagnostics4", "url4", 4, 4,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.83789f,
         "NON-MAPREDUCE", null, Sets.newHashSet("tag1"), false,
         Priority.UNDEFINED, "", "");
@@ -424,7 +424,7 @@ public void testGetApplications() throws Exception {
     ApplicationReport newApplicationReport5 = ApplicationReport.newInstance(
         applicationId5, ApplicationAttemptId.newInstance(applicationId5, 5),
         "user5", "queue5", "appname5", "host5", 128, null,
-        YarnApplicationState.ACCEPTED, "diagnostics5", "url5", 5, 5, 5,
+        YarnApplicationState.ACCEPTED, "diagnostics5", "url5", 5, 5,
         FinalApplicationStatus.KILLED, null, "N/A", 0.93789f, "HIVE", null,
         Sets.newHashSet("tag2", "tag4"), false, Priority.UNDEFINED, "", "");
     applicationReports.add(newApplicationReport5);
@@ -433,7 +433,7 @@ public void testGetApplications() throws Exception {
     ApplicationReport newApplicationReport6 = ApplicationReport.newInstance(
         applicationId6, ApplicationAttemptId.newInstance(applicationId6, 6),
         "user6", "queue6", "appname6", "host6", 129, null,
-        YarnApplicationState.SUBMITTED, "diagnostics6", "url6", 6, 6, 6,
+        YarnApplicationState.SUBMITTED, "diagnostics6", "url6", 6, 6,
         FinalApplicationStatus.KILLED, null, "N/A", 0.99789f, "PIG",
         null, new HashSet<String>(), false, Priority.UNDEFINED, "", "");
     applicationReports.add(newApplicationReport6);
@@ -1007,7 +1007,7 @@ public void testKillApplication() throws Exception {
     ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class))).thenReturn(
         newApplicationReport2);
@@ -1020,7 +1020,7 @@ public void testKillApplication() throws Exception {
     ApplicationReport newApplicationReport = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class))).thenReturn(
         newApplicationReport);
@@ -1059,12 +1059,12 @@ public void testKillApplications() throws Exception {
     ApplicationReport newApplicationReport1 = ApplicationReport.newInstance(
         applicationId1, ApplicationAttemptId.newInstance(applicationId1, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
         applicationId2, ApplicationAttemptId.newInstance(applicationId2, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.34344f, "YARN", null);
     when(client.getApplicationReport(applicationId1)).thenReturn(
         newApplicationReport1);
@@ -1084,12 +1084,12 @@ public void testKillApplications() throws Exception {
     ApplicationReport newApplicationReport3 = ApplicationReport.newInstance(
         applicationId1, ApplicationAttemptId.newInstance(applicationId1, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     ApplicationReport newApplicationReport4 = ApplicationReport.newInstance(
         applicationId2, ApplicationAttemptId.newInstance(applicationId2, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53345f, "YARN", null);
     when(client.getApplicationReport(applicationId1)).thenReturn(
         newApplicationReport3);
@@ -1127,7 +1127,7 @@ public void testKillApplications() throws Exception {
     ApplicationReport newApplicationReport5 = ApplicationReport.newInstance(
         applicationId1, ApplicationAttemptId.newInstance(applicationId1, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53345f, "YARN", null);
     when(client.getApplicationReport(applicationId1)).thenReturn(
         newApplicationReport5);
@@ -1154,12 +1154,12 @@ public void testKillApplicationsOfDifferentEndStates() throws Exception {
     ApplicationReport newApplicationReport5 = ApplicationReport.newInstance(
         applicationId1, ApplicationAttemptId.newInstance(applicationId1, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     ApplicationReport newApplicationReport6 = ApplicationReport.newInstance(
         applicationId2, ApplicationAttemptId.newInstance(applicationId2, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53345f, "YARN", null);
     when(client.getApplicationReport(applicationId1)).thenReturn(
         newApplicationReport5);
@@ -1182,7 +1182,7 @@ public void testMoveApplicationAcrossQueues() throws Exception {
     ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class))).thenReturn(
         newApplicationReport2);
@@ -1197,7 +1197,7 @@ public void testMoveApplicationAcrossQueues() throws Exception {
     ApplicationReport newApplicationReport = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class))).thenReturn(
         newApplicationReport);
@@ -1232,7 +1232,7 @@ public void testMoveApplicationAcrossQueuesWithNewCommand() throws Exception {
     ApplicationReport newApplicationReport2 = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.FINISHED, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class)))
         .thenReturn(newApplicationReport2);
@@ -1247,7 +1247,7 @@ public void testMoveApplicationAcrossQueuesWithNewCommand() throws Exception {
     ApplicationReport newApplicationReport = ApplicationReport.newInstance(
         applicationId, ApplicationAttemptId.newInstance(applicationId, 1),
         "user", "queue", "appname", "host", 124, null,
-        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+        YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
         FinalApplicationStatus.SUCCEEDED, null, "N/A", 0.53789f, "YARN", null);
     when(client.getApplicationReport(any(ApplicationId.class)))
         .thenReturn(newApplicationReport);
@@ -2015,7 +2015,7 @@ public void testUpdateApplicationPriority() throws Exception {
         ApplicationReport.newInstance(applicationId,
             ApplicationAttemptId.newInstance(applicationId, 1), "user",
             "queue", "appname", "host", 124, null,
-            YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0, 0,
+            YarnApplicationState.RUNNING, "diagnostics", "url", 0, 0,
             FinalApplicationStatus.UNDEFINED, null, "N/A", 0.53789f, "YARN",
             null);
     when(client.getApplicationReport(any(ApplicationId.class))).thenReturn(
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ApplicationReportPBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ApplicationReportPBImpl.java
index ddd9accd89..036fa907fe 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ApplicationReportPBImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/api/records/impl/pb/ApplicationReportPBImpl.java
@@ -220,17 +220,6 @@ public long getStartTime() {
     return p.getStartTime();
   }
 
-  @Override
-  public long getLaunchTime() {
-    ApplicationReportProtoOrBuilder p = viaProto ? proto : builder;
-    return p.getLaunchTime();
-  }
-
-  @Override
-  public void setLaunchTime(long launchTime) {
-    maybeInitBuilder();
-    builder.setLaunchTime(launchTime);
-  }
   @Override
   public long getFinishTime() {
     ApplicationReportProtoOrBuilder p = viaProto ? proto : builder;
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/api/TestApplicatonReport.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/api/TestApplicatonReport.java
index ea39a4ccdb..46fc4d58d9 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/api/TestApplicatonReport.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/api/TestApplicatonReport.java
@@ -58,7 +58,7 @@ protected static ApplicationReport createApplicationReport(
     ApplicationReport appReport =
         ApplicationReport.newInstance(appId, appAttemptId, "user", "queue",
           "appname", "host", 124, null, YarnApplicationState.FINISHED,
-          "diagnostics", "url", 0, 0, 0, FinalApplicationStatus.SUCCEEDED, null,
+          "diagnostics", "url", 0, 0, FinalApplicationStatus.SUCCEEDED, null,
           "N/A", 0.53789f, YarnConfiguration.DEFAULT_APPLICATION_TYPE, null,
           null, false, Priority.newInstance(0),"","");
     return appReport;
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerImpl.java
index 3734e39d91..b8931d81ab 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-applicationhistoryservice/src/main/java/org/apache/hadoop/yarn/server/applicationhistoryservice/ApplicationHistoryManagerImpl.java
@@ -137,7 +137,7 @@ private ApplicationReport convertToApplicationReport(
       currentApplicationAttemptId, appHistory.getUser(), appHistory.getQueue(),
       appHistory.getApplicationName(), host, rpcPort, null,
       appHistory.getYarnApplicationState(), appHistory.getDiagnosticsInfo(),
-      trackingUrl, appHistory.getStartTime(), 0, appHistory.getFinishTime(),
+      trackingUrl, appHistory.getStartTime(), appHistory.getFinishTime(),
       appHistory.getFinalApplicationStatus(), null, "", 100,
       appHistory.getApplicationType(), null);
   }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/BuilderUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/BuilderUtils.java
index 0de834c43f..4ba1bdfd1e 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/BuilderUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/utils/BuilderUtils.java
@@ -391,7 +391,7 @@ public static ApplicationReport newApplicationReport(
       ApplicationId applicationId, ApplicationAttemptId applicationAttemptId,
       String user, String queue, String name, String host, int rpcPort,
       Token clientToAMToken, YarnApplicationState state, String diagnostics,
-      String url, long startTime, long launchTime, long finishTime,
+      String url, long startTime, long finishTime,
       FinalApplicationStatus finalStatus,
       ApplicationResourceUsageReport appResources, String origTrackingUrl,
       float progress, String appType, Token amRmToken, Set<String> tags,
@@ -410,7 +410,6 @@ public static ApplicationReport newApplicationReport(
     report.setDiagnostics(diagnostics);
     report.setTrackingUrl(url);
     report.setStartTime(startTime);
-    report.setLaunchTime(launchTime);
     report.setFinishTime(finishTime);
     report.setFinalApplicationStatus(finalStatus);
     report.setApplicationResourceUsageReport(appResources);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppBlock.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppBlock.java
index 9dd8aa1d24..8600b7252b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppBlock.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppBlock.java
@@ -242,9 +242,10 @@ private void generateOverviewTable(AppInfo app, String schedulerPath,
         .__("FinalStatus Reported by AM:",
             clairfyAppFinalStatus(app.getFinalAppStatus()))
         .__("Started:", Times.format(app.getStartedTime()))
-        .__("Launched:", Times.format(app.getLaunchTime()))
-        .__("Finished:", Times.format(app.getFinishedTime()))
-        .__("Elapsed:", StringUtils.formatTime(app.getElapsedTime()))
+        .__(
+            "Elapsed:",
+            StringUtils.formatTime(Times.elapsed(app.getStartedTime(),
+                app.getFinishedTime())))
         .__(
             "Tracking URL:",
             app.getTrackingUrl() == null
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppsBlock.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppsBlock.java
index cb15449d35..b2dd4de818 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppsBlock.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/AppsBlock.java
@@ -150,9 +150,7 @@ protected void renderData(Block html) {
         html.table("#apps").thead().tr().th(".id", "ID").th(".user", "User")
           .th(".name", "Name").th(".type", "Application Type")
           .th(".queue", "Queue").th(".priority", "Application Priority")
-          .th(".starttime", "StartTime")
-          .th(".launchtime", "LaunchTime")
-          .th(".finishtime", "FinishTime")
+          .th(".starttime", "StartTime").th(".finishtime", "FinishTime")
           .th(".state", "State").th(".finalstatus", "FinalStatus")
           .th(".progress", "Progress").th(".ui", "Tracking UI").__().__().tbody();
 
@@ -190,7 +188,6 @@ protected void renderData(Block html) {
             .getQueue()))).append("\",\"").append(String
                 .valueOf(app.getPriority()))
         .append("\",\"").append(app.getStartedTime())
-        .append("\",\"").append(app.getLaunchTime())
         .append("\",\"").append(app.getFinishedTime())
         .append("\",\"")
         .append(app.getAppState() == null ? UNAVAILABLE : app.getAppState())
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/WebPageUtils.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/WebPageUtils.java
index b2f65a8450..29f1e63456 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/WebPageUtils.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/WebPageUtils.java
@@ -51,7 +51,7 @@ private static String getAppsTableColumnDefs(
     sb.append("[\n")
       .append("{'sType':'natural', 'aTargets': [0]")
       .append(", 'mRender': parseHadoopID }")
-      .append("\n, {'sType':'numeric', 'aTargets': [6, 7, 8]")
+      .append("\n, {'sType':'numeric', 'aTargets': [6, 7]")
       .append(", 'mRender': renderHadoopDate }")
       .append("\n, {'sType':'numeric', bSearchable:false, 'aTargets':");
     if (isFairSchedulerPage) {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/dao/AppInfo.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/dao/AppInfo.java
index b4687a4260..ac2f8da6aa 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/dao/AppInfo.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-common/src/main/java/org/apache/hadoop/yarn/server/webapp/dao/AppInfo.java
@@ -55,7 +55,6 @@ public class AppInfo {
   protected FinalApplicationStatus finalAppStatus;
   protected long submittedTime;
   protected long startedTime;
-  private long launchTime;
   protected long finishedTime;
   protected long elapsedTime;
   protected String applicationTags;
@@ -89,7 +88,6 @@ public AppInfo(ApplicationReport app) {
     originalTrackingUrl = app.getOriginalTrackingUrl();
     submittedTime = app.getStartTime();
     startedTime = app.getStartTime();
-    launchTime = app.getLaunchTime();
     finishedTime = app.getFinishTime();
     elapsedTime = Times.elapsed(startedTime, finishedTime);
     finalAppStatus = app.getFinalApplicationStatus();
@@ -200,10 +198,6 @@ public long getSubmittedTime() {
     return submittedTime;
   }
 
-  public long getLaunchTime() {
-    return launchTime;
-  }
-
   public long getStartedTime() {
     return startedTime;
   }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/amlauncher/AMLauncher.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/amlauncher/AMLauncher.java
index 58968089f2..7051f8cca2 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/amlauncher/AMLauncher.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/amlauncher/AMLauncher.java
@@ -303,7 +303,7 @@ public void run() {
         LOG.info("Launching master" + application.getAppAttemptId());
         launch();
         handler.handle(new RMAppAttemptEvent(application.getAppAttemptId(),
-            RMAppAttemptEventType.LAUNCHED, System.currentTimeMillis()));
+            RMAppAttemptEventType.LAUNCHED));
       } catch(Exception ie) {
         String message = "Error launching " + application.getAppAttemptId()
             + ". Got exception: " + StringUtils.stringifyException(ie);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationStateData.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationStateData.java
index 2b0bd2b5ba..79a5de2584 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationStateData.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/ApplicationStateData.java
@@ -47,8 +47,7 @@ public abstract class ApplicationStateData {
   public static ApplicationStateData newInstance(long submitTime,
       long startTime, String user,
       ApplicationSubmissionContext submissionContext, RMAppState state,
-      String diagnostics, long launchTime, long finishTime,
-      CallerContext callerContext) {
+      String diagnostics, long finishTime, CallerContext callerContext) {
     ApplicationStateData appState = Records.newRecord(ApplicationStateData.class);
     appState.setSubmitTime(submitTime);
     appState.setStartTime(startTime);
@@ -56,7 +55,6 @@ public static ApplicationStateData newInstance(long submitTime,
     appState.setApplicationSubmissionContext(submissionContext);
     appState.setState(state);
     appState.setDiagnostics(diagnostics);
-    appState.setLaunchTime(launchTime);
     appState.setFinishTime(finishTime);
     appState.setCallerContext(callerContext);
     return appState;
@@ -65,8 +63,7 @@ public static ApplicationStateData newInstance(long submitTime,
   public static ApplicationStateData newInstance(long submitTime,
       long startTime, String user,
       ApplicationSubmissionContext submissionContext, RMAppState state,
-      String diagnostics, long launchTime, long finishTime,
-      CallerContext callerContext,
+      String diagnostics, long finishTime, CallerContext callerContext,
       Map<ApplicationTimeoutType, Long> applicationTimeouts) {
     ApplicationStateData appState =
         Records.newRecord(ApplicationStateData.class);
@@ -76,7 +73,6 @@ public static ApplicationStateData newInstance(long submitTime,
     appState.setApplicationSubmissionContext(submissionContext);
     appState.setState(state);
     appState.setDiagnostics(diagnostics);
-    appState.setLaunchTime(launchTime);
     appState.setFinishTime(finishTime);
     appState.setCallerContext(callerContext);
     appState.setApplicationTimeouts(applicationTimeouts);
@@ -86,7 +82,7 @@ public static ApplicationStateData newInstance(long submitTime,
   public static ApplicationStateData newInstance(long submitTime,
       long startTime, ApplicationSubmissionContext context, String user,
       CallerContext callerContext) {
-    return newInstance(submitTime, startTime, user, context, null, "", 0, 0,
+    return newInstance(submitTime, startTime, user, context, null, "", 0,
         callerContext);
   }
   
@@ -140,20 +136,6 @@ public int getFirstAttemptId() {
   @Unstable
   public abstract void setStartTime(long startTime);
 
-
-
-  /**
-   * Get the <em>launch time</em> of the application.
-   * @return <em>launch time</em> of the application
-   */
-  @Public
-  @Stable
-  public abstract long getLaunchTime();
-
-  @Private
-  @Unstable
-  public abstract void setLaunchTime(long launchTime);
-
   /**
    * The application submitter
    */
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/impl/pb/ApplicationStateDataPBImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/impl/pb/ApplicationStateDataPBImpl.java
index f5cd107e17..d037e68a12 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/impl/pb/ApplicationStateDataPBImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/records/impl/pb/ApplicationStateDataPBImpl.java
@@ -120,19 +120,6 @@ public void setStartTime(long startTime) {
     builder.setStartTime(startTime);
   }
 
-
-  @Override
-  public long getLaunchTime() {
-    ApplicationStateDataProtoOrBuilder p = viaProto ? proto : builder;
-    return p.getLaunchTime();
-  }
-
-  @Override
-  public void setLaunchTime(long launchTime) {
-    maybeInitBuilder();
-    builder.setLaunchTime(launchTime);
-  }
-
   @Override
   public String getUser() {
     ApplicationStateDataProtoOrBuilder p = viaProto ? proto : builder;
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMApp.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMApp.java
index 99cce87102..e286834cd4 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMApp.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMApp.java
@@ -180,15 +180,7 @@ ApplicationReport createAndGetApplicationReport(String clientUserName,
    * @return the submit time of the application.
    */
   long getSubmitTime();
-
-  /**
-   * The launch time of the application.
-   * Since getStartTime() returns what is essentially submit time,
-   * this new field is to prevent potential backwards compatibility issues.
-   * @return the launch time of the application.
-   */
-  long getLaunchTime();
-
+  
   /**
    * The tracking url for the application master.
    * @return the tracking url for the application master.
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppEvent.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppEvent.java
index 3212d6c504..5c46945754 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppEvent.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppEvent.java
@@ -37,12 +37,6 @@ public RMAppEvent(ApplicationId appId, RMAppEventType type,
     this.diagnosticMsg = diagnostic;
   }
 
-  public RMAppEvent(ApplicationId appId, RMAppEventType type, long timeStamp) {
-    super(type, timeStamp);
-    this.appId = appId;
-    this.diagnosticMsg = "";
-  }
-
   public ApplicationId getApplicationId() {
     return this.appId;
   }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppEventType.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppEventType.java
index 4b55d38954..514efd44dd 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppEventType.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppEventType.java
@@ -37,7 +37,6 @@ public enum RMAppEventType {
   ATTEMPT_FAILED,
   ATTEMPT_KILLED,
   NODE_UPDATE,
-  ATTEMPT_LAUNCHED,
   
   // Source: Container and ResourceTracker
   APP_RUNNING_ON_NODE,
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
index daf14c4663..4234e58257 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/RMAppImpl.java
@@ -164,7 +164,6 @@ public class RMAppImpl implements RMApp, Recoverable {
 
   // Mutable fields
   private long startTime;
-  private long launchTime = 0;
   private long finishTime = 0;
   private long storedFinishTime = 0;
   private int firstAttemptIdInStateStore = 1;
@@ -291,10 +290,6 @@ RMAppEventType.KILL, new KillAttemptTransition())
     .addTransition(RMAppState.ACCEPTED, RMAppState.ACCEPTED, 
         RMAppEventType.APP_RUNNING_ON_NODE,
         new AppRunningOnNodeTransition())
-      // Handle AppAttemptLaunch to upate the launchTime and publish to ATS
-      .addTransition(RMAppState.ACCEPTED, RMAppState.ACCEPTED,
-        RMAppEventType.ATTEMPT_LAUNCHED,
-        new AttemptLaunchedTransition())
 
      // Transitions from RUNNING state
     .addTransition(RMAppState.RUNNING, RMAppState.RUNNING,
@@ -789,9 +784,9 @@ public ApplicationReport createAndGetApplicationReport(String clientUserName,
           this.applicationId, currentApplicationAttemptId, this.user,
           this.queue, this.name, host, rpcPort, clientToAMToken,
           createApplicationState(), diags, trackingUrl, this.startTime,
-          this.launchTime, this.finishTime, finishState, appUsageReport,
-          origTrackingUrl, progress, this.applicationType, amrmToken,
-          applicationTags, this.getApplicationPriority());
+          this.finishTime, finishState, appUsageReport, origTrackingUrl,
+          progress, this.applicationType, amrmToken, applicationTags,
+          this.getApplicationPriority());
       report.setLogAggregationStatus(logAggregationStatus);
       report.setUnmanagedApp(submissionContext.getUnmanagedAM());
       report.setAppNodeLabelExpression(getAppNodeLabelExpression());
@@ -844,17 +839,6 @@ public long getStartTime() {
     }
   }
 
-  @Override
-  public long getLaunchTime() {
-    this.readLock.lock();
-
-    try {
-      return this.launchTime;
-    } finally {
-      this.readLock.unlock();
-    }
-  }
-
   @Override
   public long getSubmitTime() {
     return this.submitTime;
@@ -952,7 +936,6 @@ public void recover(RMState state) {
         .getDiagnostics());
     this.storedFinishTime = appState.getFinishTime();
     this.startTime = appState.getStartTime();
-    this.launchTime = appState.getLaunchTime();
     this.callerContext = appState.getCallerContext();
     this.applicationTimeouts = appState.getApplicationTimeouts();
     // If interval > 0, some attempts might have been deleted.
@@ -1055,21 +1038,6 @@ public void transition(RMAppImpl app, RMAppEvent event) {
     };
   }
 
-  private static final class AttemptLaunchedTransition
-      extends  RMAppTransition {
-    @Override
-    public void transition(RMAppImpl app, RMAppEvent event) {
-
-      if(app.launchTime == 0) {
-        LOG.info("update the launch time for applicationId: "+
-                app.getApplicationId()+", attemptId: "+
-                app.getCurrentAppAttempt().getAppAttemptId()+
-                "launchTime: "+event.getTimestamp());
-        app.launchTime = event.getTimestamp();
-      }
-    }
-  }
-
   private static final class AppRunningOnNodeTransition extends RMAppTransition {
     public void transition(RMAppImpl app, RMAppEvent event) {
       RMAppRunningOnNodeEvent nodeAddedEvent = (RMAppRunningOnNodeEvent) event;
@@ -1329,8 +1297,7 @@ private void rememberTargetTransitionsAndStoreState(RMAppEvent event,
     ApplicationStateData appState =
         ApplicationStateData.newInstance(this.submitTime, this.startTime,
             this.user, this.submissionContext,
-            stateToBeStored, diags, this.launchTime, this.storedFinishTime,
-            this.callerContext);
+            stateToBeStored, diags, this.storedFinishTime, this.callerContext);
     appState.setApplicationTimeouts(this.applicationTimeouts);
     this.rmContext.getStateStore().updateApplicationState(appState);
   }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptEvent.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptEvent.java
index 2ddc981067..6df6b19f97 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptEvent.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptEvent.java
@@ -38,13 +38,6 @@ public RMAppAttemptEvent(ApplicationAttemptId appAttemptId,
     this.diagnosticMsg = diagnostics;
   }
 
-  public RMAppAttemptEvent(ApplicationAttemptId appAttemptId,
-                           RMAppAttemptEventType type, long timeStamp) {
-    super(type, timeStamp);
-    this.appAttemptId = appAttemptId;
-    this.diagnosticMsg = "";
-  }
-
   public ApplicationAttemptId getApplicationAttemptId() {
     return this.appAttemptId;
   }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
index 32f275f807..1b1e2c447c 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java
@@ -1557,9 +1557,7 @@ public void transition(RMAppAttemptImpl appAttempt,
             appAttempt.launchAMStartTime;
         ClusterMetrics.getMetrics().addAMLaunchDelay(delay);
       }
-      appAttempt.eventHandler.handle(
-          new RMAppEvent(appAttempt.getAppAttemptId().getApplicationId(),
-            RMAppEventType.ATTEMPT_LAUNCHED, event.getTimestamp()));
+
       appAttempt
           .updateAMLaunchDiagnostics(AMState.LAUNCHED.getDiagnosticMessage());
       // Register with AMLivelinessMonitor
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/FairSchedulerAppsBlock.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/FairSchedulerAppsBlock.java
index 2bbbcc54a3..ac88f861fe 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/FairSchedulerAppsBlock.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/FairSchedulerAppsBlock.java
@@ -89,7 +89,6 @@ public FairSchedulerAppsBlock(ResourceManager rm, ViewContext ctx,
             th(".queue", "Queue").
             th(".fairshare", "Fair Share").
             th(".starttime", "StartTime").
-            th(".launchTime", "LaunchTime").
             th(".finishtime", "FinishTime").
             th(".state", "State").
             th(".finalstatus", "FinalStatus").
@@ -136,7 +135,6 @@ public FairSchedulerAppsBlock(ResourceManager rm, ViewContext ctx,
         appInfo.getQueue()))).append("\",\"")
       .append(fairShare).append("\",\"")
       .append(appInfo.getStartTime()).append("\",\"")
-      .append(appInfo.getLaunchTime()).append("\",\"")
       .append(appInfo.getFinishTime()).append("\",\"")
       .append(appInfo.getState()).append("\",\"")
       .append(appInfo.getFinalStatus()).append("\",\"")
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppsBlock.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppsBlock.java
index a525cffdd0..d0dccab6e5 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppsBlock.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/RMAppsBlock.java
@@ -62,7 +62,6 @@ protected void renderData(Block html) {
           .th(".name", "Name").th(".type", "Application Type")
           .th(".queue", "Queue").th(".priority", "Application Priority")
           .th(".starttime", "StartTime")
-          .th("launchtime", "LaunchTime")
           .th(".finishtime", "FinishTime").th(".state", "State")
           .th(".finalstatus", "FinalStatus")
           .th(".runningcontainer", "Running Containers")
@@ -135,7 +134,6 @@ protected void renderData(Block html) {
              .getQueue()))).append("\",\"").append(String
              .valueOf(app.getPriority()))
         .append("\",\"").append(app.getStartedTime())
-        .append("\",\"").append(app.getLaunchTime())
         .append("\",\"").append(app.getFinishedTime())
         .append("\",\"")
         .append(app.getAppState() == null ? UNAVAILABLE : app.getAppState())
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/AppInfo.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/AppInfo.java
index d47f13d958..631c908419 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/AppInfo.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/dao/AppInfo.java
@@ -87,7 +87,6 @@ public class AppInfo {
 
   // these are only allowed if acls allow
   protected long startedTime;
-  private long launchTime;
   protected long finishedTime;
   protected long elapsedTime;
   protected String amContainerLogs;
@@ -182,7 +181,6 @@ public AppInfo(ResourceManager rm, RMApp app, Boolean hasAccess,
       this.clusterId = ResourceManager.getClusterTimeStamp();
       if (hasAccess) {
         this.startedTime = app.getStartTime();
-        this.launchTime = app.getLaunchTime();
         this.finishedTime = app.getFinishTime();
         this.elapsedTime =
             Times.elapsed(app.getStartTime(), app.getFinishTime());
@@ -396,10 +394,6 @@ public long getStartTime() {
     return this.startedTime;
   }
 
-  public long getLaunchTime() {
-    return this.launchTime;
-  }
-
   public long getFinishTime() {
     return this.finishedTime;
   }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/proto/yarn_server_resourcemanager_recovery.proto b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/proto/yarn_server_resourcemanager_recovery.proto
index 35c77ab78b..39a56a811a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/proto/yarn_server_resourcemanager_recovery.proto
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/proto/yarn_server_resourcemanager_recovery.proto
@@ -70,7 +70,6 @@ message ApplicationStateDataProto {
     optional int64 finish_time = 7;
     optional hadoop.common.RPCCallerContextProto caller_context = 8;
     repeated ApplicationTimeoutMapProto application_timeouts = 9;
-    optional int64 launch_time = 10;
 }
 
 message ApplicationAttemptStateDataProto {
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/MockAsm.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/MockAsm.java
index 6c6c4b4e80..72de27cf95 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/MockAsm.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/MockAsm.java
@@ -92,12 +92,7 @@ public long getStartTime() {
     public long getSubmitTime() {
       throw new UnsupportedOperationException("Not supported yet.");
     }
-
-    @Override
-    public long getLaunchTime() {
-      throw new UnsupportedOperationException("Not supported yet.");
-    }
-
+    
     @Override
     public long getFinishTime() {
       throw new UnsupportedOperationException("Not supported yet.");
@@ -277,7 +272,6 @@ public static RMApp newApplication(int i) {
     final String name = newAppName();
     final String queue = newQueue();
     final long start = 123456 + i * 1000;
-    final long launch = start + i * 100;
     final long finish = 234567 + i * 1000;
     final String type = YarnConfiguration.DEFAULT_APPLICATION_TYPE;
     YarnApplicationState[] allStates = YarnApplicationState.values();
@@ -313,11 +307,6 @@ public long getStartTime() {
         return start;
       }
 
-      @Override
-      public long getLaunchTime() {
-        return launch;
-      }
-
       @Override
       public long getFinishTime() {
         return finish;
@@ -368,7 +357,7 @@ public ApplicationReport createAndGetApplicationReport(
         ApplicationReport report = ApplicationReport.newInstance(
             getApplicationId(), appAttemptId, getUser(), getQueue(), 
             getName(), null, 0, null, null, getDiagnostics().toString(), 
-            getTrackingUrl(), getLaunchTime(), getStartTime(), getFinishTime(),
+            getTrackingUrl(), getStartTime(), getFinishTime(), 
             getFinalApplicationStatus(), usageReport , null, getProgress(),
             type, null);
         return report;
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreTestBase.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreTestBase.java
index 957d4ce822..dbb214897a 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreTestBase.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/RMStateStoreTestBase.java
@@ -358,7 +358,7 @@ void testRMAppStateStore(RMStateStoreHelper stateStoreHelper,
         ApplicationStateData.newInstance(appState.getSubmitTime(),
             appState.getStartTime(), appState.getUser(),
             appState.getApplicationSubmissionContext(), RMAppState.FINISHED,
-            "appDiagnostics", 123, 1234, appState.getCallerContext());
+            "appDiagnostics", 1234, appState.getCallerContext());
     appState2.attempts.putAll(appState.attempts);
     store.updateApplicationState(appState2);
 
@@ -384,7 +384,7 @@ void testRMAppStateStore(RMStateStoreHelper stateStoreHelper,
     ApplicationStateData dummyApp =
         ApplicationStateData.newInstance(appState.getSubmitTime(),
             appState.getStartTime(), appState.getUser(), dummyContext,
-            RMAppState.FINISHED, "appDiagnostics", 123, 1234, null);
+            RMAppState.FINISHED, "appDiagnostics", 1234, null);
     store.updateApplicationState(dummyApp);
 
     ApplicationAttemptId dummyAttemptId =
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java
index fe4a7019ba..0738730aab 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestFSRMStateStore.java
@@ -407,7 +407,7 @@ public void run() {
             store.storeApplicationStateInternal(
                 ApplicationId.newInstance(100L, 1),
                 ApplicationStateData.newInstance(111, 111, "user", null,
-                    RMAppState.ACCEPTED, "diagnostics", 222, 333, null));
+                    RMAppState.ACCEPTED, "diagnostics", 333, null));
           } catch (Exception e) {
             assertionFailedInThread.set(true);
             e.printStackTrace();
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java
index d8718e0b88..0a1b15275c 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/recovery/TestZKRMStateStore.java
@@ -790,7 +790,7 @@ private static ApplicationStateData createAppState(
       long finishTime, boolean isFinished) {
     return ApplicationStateData.newInstance(submitTime, startTime, "test",
         ctxt, isFinished ? RMAppState.FINISHED : null, isFinished ?
-        "appDiagnostics" : "", 0, isFinished ? finishTime : 0, null);
+        "appDiagnostics" : "", isFinished ? finishTime : 0, null);
   }
 
   private static ApplicationAttemptStateData createFinishedAttempt(
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/MockRMApp.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/MockRMApp.java
index ad29d274a4..664fae2d06 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/MockRMApp.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/MockRMApp.java
@@ -57,7 +57,6 @@ public class MockRMApp implements RMApp {
   String name = MockApps.newAppName();
   String queue = MockApps.newQueue();
   long start = System.currentTimeMillis() - (int) (Math.random() * DT);
-  private long launch = start;
   long submit = start - (int) (Math.random() * DT);
   long finish = 0;
   RMAppState state = RMAppState.NEW;
@@ -195,11 +194,6 @@ public long getSubmitTime() {
     return submit;
   }
 
-  @Override
-  public long getLaunchTime() {
-    return launch;
-  }
-
   public void setStartTime(long time) {
     this.start = time;
   }
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
index 70887e0f4b..920bd4fd2b 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/TestRMAppTransitions.java
@@ -1239,7 +1239,7 @@ public void createRMStateForApplications(
     ApplicationStateData appState =
         ApplicationStateData.newInstance(app.getSubmitTime(), app.getStartTime(),
             app.getUser(), app.getApplicationSubmissionContext(), rmAppState,
-            null, app.getLaunchTime(), app.getFinishTime(), null);
+            null, app.getFinishTime(), null);
     applicationState.put(app.getApplicationId(), appState);
   }
   
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebApp.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebApp.java
index 93377be1ea..b1256083ef 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebApp.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebApp.java
@@ -257,7 +257,7 @@ public static ClientRMService mockClientRMService(RMContext rmContext) {
               app.getName(), (String) null, 0, (Token) null,
               app.createApplicationState(),
               app.getDiagnostics().toString(), (String) null,
-              app.getStartTime(), app.getLaunchTime(), app.getFinishTime(),
+              app.getStartTime(), app.getFinishTime(),
               app.getFinalApplicationStatus(),
               (ApplicationResourceUsageReport) null, app.getTrackingUrl(),
               app.getProgress(), app.getApplicationType(), (Token) null);
diff --git a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesApps.java b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesApps.java
index 6c6f400a62..a381ed4020 100644
--- a/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesApps.java
+++ b/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/webapp/TestRMWebServicesApps.java
@@ -1553,7 +1553,6 @@ public void verifyAppsXML(NodeList nodes, RMApp app, boolean hasResourceReq)
           WebServicesTestUtils.getXmlString(element, "diagnostics"),
           WebServicesTestUtils.getXmlLong(element, "clusterId"),
           WebServicesTestUtils.getXmlLong(element, "startedTime"),
-          WebServicesTestUtils.getXmlLong(element, "launchTime"),
           WebServicesTestUtils.getXmlLong(element, "finishedTime"),
           WebServicesTestUtils.getXmlLong(element, "elapsedTime"),
           WebServicesTestUtils.getXmlString(element, "amHostHttpAddress"),
@@ -1604,7 +1603,7 @@ public void verifyAppsXML(NodeList nodes, RMApp app, boolean hasResourceReq)
   public void verifyAppInfo(JSONObject info, RMApp app, boolean hasResourceReqs)
       throws JSONException, Exception {
 
-    int expectedNumberOfElements = 40 + (hasResourceReqs ? 2 : 0);
+    int expectedNumberOfElements = 39 + (hasResourceReqs ? 2 : 0);
     String appNodeLabelExpression = null;
     String amNodeLabelExpression = null;
     if (app.getApplicationSubmissionContext()
@@ -1630,10 +1629,8 @@ public void verifyAppInfo(JSONObject info, RMApp app, boolean hasResourceReqs)
         info.getString("state"), info.getString("finalStatus"),
         (float) info.getDouble("progress"), info.getString("trackingUI"),
         info.getString("diagnostics"), info.getLong("clusterId"),
-        info.getLong("startedTime"), info.getLong("launchTime"),
-        info.getLong("finishedTime"),
-        info.getLong("elapsedTime"),
-        info.getString("amHostHttpAddress"),
+        info.getLong("startedTime"), info.getLong("finishedTime"),
+        info.getLong("elapsedTime"), info.getString("amHostHttpAddress"),
         info.getString("amContainerLogs"), info.getInt("allocatedMB"),
         info.getInt("allocatedVCores"), info.getInt("runningContainers"),
         (float) info.getDouble("queueUsagePercentage"),
@@ -1656,9 +1653,8 @@ public void verifyAppInfo(JSONObject info, RMApp app, boolean hasResourceReqs)
   public void verifyAppInfoGeneric(RMApp app, String id, String user,
       String name, String applicationType, String queue, int prioirty,
       String state, String finalStatus, float progress, String trackingUI,
-      String diagnostics, long clusterId, long startedTime,
-      long launchTime, long finishedTime, long elapsedTime,
-      String amHostHttpAddress, String amContainerLogs,
+      String diagnostics, long clusterId, long startedTime, long finishedTime,
+      long elapsedTime, String amHostHttpAddress, String amContainerLogs,
       int allocatedMB, int allocatedVCores, int numContainers,
       float queueUsagePerc, float clusterUsagePerc,
       int preemptedResourceMB, int preemptedResourceVCores,