Index: llvm/trunk/include/llvm/MC/MCWasmObjectWriter.h
===================================================================
--- llvm/trunk/include/llvm/MC/MCWasmObjectWriter.h
+++ llvm/trunk/include/llvm/MC/MCWasmObjectWriter.h
@@ -10,9 +10,7 @@
 #ifndef LLVM_MC_MCWASMOBJECTWRITER_H
 #define LLVM_MC_MCWASMOBJECTWRITER_H
 
-#include "llvm/ADT/Triple.h"
-#include "llvm/BinaryFormat/Wasm.h"
-#include "llvm/Support/DataTypes.h"
+#include <memory>
 
 namespace llvm {
 
Index: llvm/trunk/lib/MC/MCWasmObjectTargetWriter.cpp
===================================================================
--- llvm/trunk/lib/MC/MCWasmObjectTargetWriter.cpp
+++ llvm/trunk/lib/MC/MCWasmObjectTargetWriter.cpp
@@ -7,9 +7,6 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/MC/MCExpr.h"
-#include "llvm/MC/MCValue.h"
 #include "llvm/MC/MCWasmObjectWriter.h"
 
 using namespace llvm;