diff --git a/include/llvm/CodeGen/SlotIndexes.h b/include/llvm/CodeGen/SlotIndexes.h
index dd4caba1e56..caefdf4489d 100644
--- a/include/llvm/CodeGen/SlotIndexes.h
+++ b/include/llvm/CodeGen/SlotIndexes.h
@@ -22,11 +22,11 @@
 #ifndef LLVM_CODEGEN_SLOTINDEXES_H
 #define LLVM_CODEGEN_SLOTINDEXES_H
 
-#include "llvm/ADT/PointerIntPair.h"
-#include "llvm/ADT/SmallVector.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunctionPass.h"
-#include "llvm/CodeGen/MachineInstr.h"
+#include "llvm/ADT/PointerIntPair.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/DenseMap.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/ErrorHandling.h"