diff --git a/include/llvm/Analysis/ProfileInfoLoader.h b/include/llvm/Analysis/ProfileInfoLoader.h
index 4539757b786..dcf3b38ddcd 100644
--- a/include/llvm/Analysis/ProfileInfoLoader.h
+++ b/include/llvm/Analysis/ProfileInfoLoader.h
@@ -34,7 +34,6 @@ class ProfileInfoLoader {
   std::vector<unsigned>    EdgeCounts;
   std::vector<unsigned>    OptimalEdgeCounts;
   std::vector<unsigned>    BBTrace;
-  bool Warned;
 public:
   // ProfileInfoLoader ctor - Read the specified profiling data file, exiting
   // the program if the file is invalid or broken.
diff --git a/lib/Analysis/ProfileInfoLoader.cpp b/lib/Analysis/ProfileInfoLoader.cpp
index 027116e7ed2..5c7c97cad1e 100644
--- a/lib/Analysis/ProfileInfoLoader.cpp
+++ b/lib/Analysis/ProfileInfoLoader.cpp
@@ -84,7 +84,7 @@ const unsigned ProfileInfoLoader::Uncounted = ~0U;
 //
 ProfileInfoLoader::ProfileInfoLoader(const char *ToolName,
                                      const std::string &Filename)
-  : Filename(Filename), Warned(false) {
+  : Filename(Filename) {
   FILE *F = fopen(Filename.c_str(), "rb");
   if (F == 0) {
     errs() << ToolName << ": Error opening '" << Filename << "': ";
diff --git a/lib/CodeGen/AsmPrinter/ARMException.cpp b/lib/CodeGen/AsmPrinter/ARMException.cpp
index b60fda86a6b..bf5d8c48800 100644
--- a/lib/CodeGen/AsmPrinter/ARMException.cpp
+++ b/lib/CodeGen/AsmPrinter/ARMException.cpp
@@ -44,9 +44,7 @@ EnableARMEHABIDescriptors("arm-enable-ehabi-descriptors", cl::Hidden,
 
 
 ARMException::ARMException(AsmPrinter *A)
-  : DwarfException(A),
-    shouldEmitTable(false), shouldEmitMoves(false), shouldEmitTableModule(false)
-    {}
+  : DwarfException(A) {}
 
 ARMException::~ARMException() {}
 
diff --git a/lib/CodeGen/AsmPrinter/DwarfException.h b/lib/CodeGen/AsmPrinter/DwarfException.h
index b5f86ab1b95..75f6056c449 100644
--- a/lib/CodeGen/AsmPrinter/DwarfException.h
+++ b/lib/CodeGen/AsmPrinter/DwarfException.h
@@ -175,17 +175,6 @@ public:
 };
 
 class ARMException : public DwarfException {
-  /// shouldEmitTable - Per-function flag to indicate if EH tables should
-  /// be emitted.
-  bool shouldEmitTable;
-
-  /// shouldEmitMoves - Per-function flag to indicate if frame moves info
-  /// should be emitted.
-  bool shouldEmitMoves;
-
-  /// shouldEmitTableModule - Per-module flag to indicate if EH tables
-  /// should be emitted.
-  bool shouldEmitTableModule;
 public:
   //===--------------------------------------------------------------------===//
   // Main entry points.
diff --git a/lib/CodeGen/StackSlotColoring.cpp b/lib/CodeGen/StackSlotColoring.cpp
index 1e940b1d071..20da36e8fb4 100644
--- a/lib/CodeGen/StackSlotColoring.cpp
+++ b/lib/CodeGen/StackSlotColoring.cpp
@@ -46,7 +46,6 @@ STATISTIC(NumDead,       "Number of trivially dead stack accesses eliminated");
 
 namespace {
   class StackSlotColoring : public MachineFunctionPass {
-    bool ColorWithRegs;
     LiveStacks* LS;
     MachineFrameInfo *MFI;
     const TargetInstrInfo  *TII;
@@ -82,7 +81,7 @@ namespace {
   public:
     static char ID; // Pass identification
     StackSlotColoring() :
-      MachineFunctionPass(ID), ColorWithRegs(false), NextColor(-1) {
+      MachineFunctionPass(ID), NextColor(-1) {
         initializeStackSlotColoringPass(*PassRegistry::getPassRegistry());
       }
 
diff --git a/lib/Support/YAMLParser.cpp b/lib/Support/YAMLParser.cpp
index 8b7658fd9ca..7c353c89bb8 100644
--- a/lib/Support/YAMLParser.cpp
+++ b/lib/Support/YAMLParser.cpp
@@ -489,9 +489,6 @@ private:
   /// @brief Can the next token be the start of a simple key?
   bool IsSimpleKeyAllowed;
 
-  /// @brief Is the next token required to start a simple key?
-  bool IsSimpleKeyRequired;
-
   /// @brief True if an error has occurred.
   bool Failed;
 
@@ -704,7 +701,6 @@ Scanner::Scanner(StringRef Input, SourceMgr &sm)
   , FlowLevel(0)
   , IsStartOfStream(true)
   , IsSimpleKeyAllowed(true)
-  , IsSimpleKeyRequired(false)
   , Failed(false) {
   InputBuffer = MemoryBuffer::getMemBuffer(Input, "YAML");
   SM.AddNewSourceBuffer(InputBuffer, SMLoc());