diff --git a/mapreduce/CHANGES.txt b/mapreduce/CHANGES.txt
index 9e1b1f4483..54f039df1c 100644
--- a/mapreduce/CHANGES.txt
+++ b/mapreduce/CHANGES.txt
@@ -350,6 +350,9 @@ Trunk (unreleased changes)
     MAPREDUCE-2575. TestMiniMRDFSCaching fails if test.build.dir is set 
     to something other than build/test (Thomas Graves via mahadev)
 
+    MAPREDUCE-2622. Remove the last remaining reference to the deprecated
+    configuration "io.sort.mb". (Harsh J Chouraria via todd)
+
 Release 0.22.0 - Unreleased
 
   INCOMPATIBLE CHANGES
diff --git a/mapreduce/src/test/mapred/org/apache/hadoop/mapreduce/TestLocalRunner.java b/mapreduce/src/test/mapred/org/apache/hadoop/mapreduce/TestLocalRunner.java
index ca7713024b..7d600ca253 100644
--- a/mapreduce/src/test/mapred/org/apache/hadoop/mapreduce/TestLocalRunner.java
+++ b/mapreduce/src/test/mapred/org/apache/hadoop/mapreduce/TestLocalRunner.java
@@ -264,7 +264,7 @@ public void testGcCounter() throws Exception {
     Job job = Job.getInstance();
     job.setMapperClass(GCMapper.class);
     job.setNumReduceTasks(0);
-    job.getConfiguration().set("io.sort.mb", "25");
+    job.getConfiguration().set(MRJobConfig.IO_SORT_MB, "25");
     FileInputFormat.addInputPath(job, inputPath);
     FileOutputFormat.setOutputPath(job, outputPath);
 
@@ -303,8 +303,7 @@ public void testMultiMaps() throws Exception {
     job.setReducerClass(CountingReducer.class);
     job.setNumReduceTasks(1);
     LocalJobRunner.setLocalMaxRunningMaps(job, 6);
-    job.getConfiguration().set("io.sort.record.pct", "0.50");
-    job.getConfiguration().set("io.sort.mb", "25");
+    job.getConfiguration().set(MRJobConfig.IO_SORT_MB, "25");
     FileInputFormat.addInputPath(job, inputPath);
     FileOutputFormat.setOutputPath(job, outputPath);