diff --git a/async.c b/async.c
index cf99677..266160b 100644
--- a/async.c
+++ b/async.c
@@ -36,7 +36,6 @@
 #include "async.h"
 #include "dict.c"
 #include "sds.h"
-#include "util.h"
 
 /* Forward declaration of function in hiredis.c */
 void __redisAppendCommand(redisContext *c, char *cmd, size_t len);
@@ -163,7 +162,6 @@ static int __redisPushCallback(redisCallbackList *list, redisCallback *source) {
 
     /* Copy callback from stack to heap */
     cb = malloc(sizeof(*cb));
-    if (!cb) redisOOM();
     if (source != NULL) {
         memcpy(cb,source,sizeof(*cb));
         cb->next = NULL;
diff --git a/hiredis.c b/hiredis.c
index 78d6bde..07ef662 100644
--- a/hiredis.c
+++ b/hiredis.c
@@ -40,7 +40,6 @@
 #include "hiredis.h"
 #include "net.h"
 #include "sds.h"
-#include "util.h"
 
 static redisReply *createReplyObject(int type);
 static void *createStringObject(const redisReadTask *task, char *str, size_t len);
diff --git a/util.h b/util.h
deleted file mode 100644
index d1170c7..0000000
--- a/util.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2009-2010, Salvatore Sanfilippo <antirez at gmail dot com>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *   * Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *   * Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *   * Neither the name of Redis nor the names of its contributors may be used
- *     to endorse or promote products derived from this software without
- *     specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef __UTIL_H
-#define __UTIL_H
-#include <stdlib.h>
-#include <stdio.h>
-
-/* Abort on out of memory */
-static void redisOOM(void) {
-    fprintf(stderr,"Out of memory in hiredis");
-    exit(1);
-}
-
-#endif