diff --git a/lib/Target/SparcV9/SparcV9CodeEmitter.cpp b/lib/Target/SparcV9/SparcV9CodeEmitter.cpp
index 469b3a230c5..ccc20e4ff13 100644
--- a/lib/Target/SparcV9/SparcV9CodeEmitter.cpp
+++ b/lib/Target/SparcV9/SparcV9CodeEmitter.cpp
@@ -562,12 +562,11 @@ inline void SparcV9CodeEmitter::emitFarCall(uint64_t Target, Function *F) {
   }
 }
 
-bool UltraSparc::replaceMachineCodeForFunction (void *Old, void *New) {
+void UltraSparc::replaceMachineCodeForFunction (void *Old, void *New) {
   if (!TheJITResolver) return true; // fail if not in JIT.
   uint64_t Target = (uint64_t)(intptr_t)New;
   uint64_t CodeBegin = (uint64_t)(intptr_t)Old;
   TheJITResolver->insertJumpAtAddr(Target, CodeBegin);
-  return false;
 }
 
 int64_t SparcV9CodeEmitter::getMachineOpValue(MachineInstr &MI,
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 74b0936d85d..3e4ef1cd717 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -137,7 +137,7 @@ bool X86TargetMachine::addPassesToJITCompile(FunctionPassManager &PM) {
   return false; // success!
 }
 
-bool X86TargetMachine::replaceMachineCodeForFunction (void *Old, void *New) {
+void X86TargetMachine::replaceMachineCodeForFunction (void *Old, void *New) {
   // FIXME: This code could perhaps live in a more appropriate place.
   char *OldByte = (char *) Old;
   *OldByte++ = 0xE9;                // Emit JMP opcode.
@@ -145,5 +145,4 @@ bool X86TargetMachine::replaceMachineCodeForFunction (void *Old, void *New) {
   int32_t NewAddr = (int32_t) New;
   int32_t OldAddr = (int32_t) OldWord;
   *OldWord = NewAddr - OldAddr - 4; // Emit PC-relative addr of New code.
-  return false;                     // success!
 }