diff --git a/tools/driver/cc1_main.cpp b/tools/driver/cc1_main.cpp
index fff6ffe44c31ce3c83303797049756dda07cd56b..b8cea41e3ea2aaaf9efee27b3921a41eaa2f5ef9 100644
--- a/tools/driver/cc1_main.cpp
+++ b/tools/driver/cc1_main.cpp
@@ -25,7 +25,6 @@
 #include "clang/Frontend/Utils.h"
 #include "clang/FrontendTool/Utils.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/Config/config.h"
 #include "llvm/LinkAllPasses.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Option/OptTable.h"