diff --git a/llvm/include/llvm/LinkAllVMCore.h b/llvm/include/llvm/LinkAllVMCore.h
index 5b155e8ac47e..83684c0fb65d 100644
--- a/llvm/include/llvm/LinkAllVMCore.h
+++ b/llvm/include/llvm/LinkAllVMCore.h
@@ -22,7 +22,6 @@
 #include "llvm/IntrinsicInst.h"
 #include "llvm/InlineAsm.h"
 #include "llvm/Analysis/Verifier.h"
-#include "llvm/Support/Alarm.h"
 #include "llvm/Support/DynamicLibrary.h"
 #include "llvm/Support/Memory.h"
 #include "llvm/Support/Mutex.h"