diff --git a/llvm/include/llvm/Target/TargetData.h b/llvm/include/llvm/Target/TargetData.h
index 9c8b1d3a2adb..c91c11a4067f 100644
--- a/llvm/include/llvm/Target/TargetData.h
+++ b/llvm/include/llvm/Target/TargetData.h
@@ -23,12 +23,14 @@
 #include "llvm/Pass.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/DerivedTypes.h"
 #include <string>
 
 namespace llvm {
 
 class Value;
+class Type;
+class IntegerType;
+class StructType;
 class StructLayout;
 class GlobalVariable;
 
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index bf562b500e08..c8d0a0bfb426 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -32,6 +32,7 @@
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/DerivedTypes.h"
 using namespace llvm;
 
 static cl::opt<bool> EnablePPCPreinc("enable-ppc-preinc",