diff --git a/lib/Transforms/Scalar/ADCE.cpp b/lib/Transforms/Scalar/ADCE.cpp
index 01046b00337..3c3ba78f5a5 100644
--- a/lib/Transforms/Scalar/ADCE.cpp
+++ b/lib/Transforms/Scalar/ADCE.cpp
@@ -15,7 +15,6 @@
 #include "llvm/iPHINode.h"
 #include "Support/STLExtras.h"
 #include "Support/DepthFirstIterator.h"
-#include <set>
 #include <algorithm>
 #include <iostream>
 using std::cerr;
diff --git a/lib/VMCore/Instruction.cpp b/lib/VMCore/Instruction.cpp
index 186c85007ed..aa3beb3f52f 100644
--- a/lib/VMCore/Instruction.cpp
+++ b/lib/VMCore/Instruction.cpp
@@ -5,7 +5,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Instruction.h"
-#include "llvm/BasicBlock.h"
 #include "llvm/Method.h"
 #include "llvm/SymbolTable.h"
 #include "llvm/CodeGen/MachineInstr.h"
diff --git a/lib/VMCore/Module.cpp b/lib/VMCore/Module.cpp
index 606d3aef142..1b6e71725a5 100644
--- a/lib/VMCore/Module.cpp
+++ b/lib/VMCore/Module.cpp
@@ -7,7 +7,6 @@
 #include "llvm/Module.h"
 #include "llvm/Method.h"
 #include "llvm/GlobalVariable.h"
-#include "llvm/BasicBlock.h"
 #include "llvm/InstrTypes.h"
 #include "llvm/ValueHolderImpl.h"
 #include "llvm/Type.h"