diff --git a/lib/Target/PowerPC/PPCTargetMachine.h b/lib/Target/PowerPC/PPCTargetMachine.h
index b2f82aa9868..650f5cb0cc3 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.h
+++ b/lib/Target/PowerPC/PPCTargetMachine.h
@@ -18,11 +18,9 @@
 #include "llvm/Target/TargetFrameInfo.h"
 #include "llvm/PassManager.h"
 #include "PowerPCTargetMachine.h"
-#include <set>
 
 namespace llvm {
 
-class GlobalValue;
 class IntrinsicLowering;
 
 class PPC32TargetMachine : public PowerPCTargetMachine {