diff --git a/include/llvm/Support/StandardPasses.h b/include/llvm/Support/StandardPasses.h
index 8c4f90bf33d..c71e6b94fa2 100644
--- a/include/llvm/Support/StandardPasses.h
+++ b/include/llvm/Support/StandardPasses.h
@@ -230,10 +230,8 @@ namespace llvm {
     addOnePass(PM, createInstructionCombiningPass(), VerifyEach);
 
     addOnePass(PM, createJumpThreadingPass(), VerifyEach);
-    // Cleanup jump threading.
-    addOnePass(PM, createPromoteMemoryToRegisterPass(), VerifyEach);
     
-    // Delete basic blocks, which optimization passes may have killed...
+    // Delete basic blocks, which optimization passes may have killed.
     addOnePass(PM, createCFGSimplificationPass(), VerifyEach);
 
     // Now that we have optimized the program, discard unreachable functions.