diff --git a/tools/bugpoint/OptimizerDriver.cpp b/tools/bugpoint/OptimizerDriver.cpp
index 6aa23e81d4a..9b855bedfc9 100644
--- a/tools/bugpoint/OptimizerDriver.cpp
+++ b/tools/bugpoint/OptimizerDriver.cpp
@@ -15,7 +15,6 @@
 #include "llvm/Target/TargetData.h"
 #include "Support/FileUtilities.h"
 #include <fstream>
-#include <stdlib.h>
 #include <unistd.h>
 #include <sys/types.h>
 #include <sys/wait.h>