diff --git a/include/llvm/Support/StandardPasses.h b/include/llvm/Support/StandardPasses.h
index 5c63034a863..3d25c6cf98b 100644
--- a/include/llvm/Support/StandardPasses.h
+++ b/include/llvm/Support/StandardPasses.h
@@ -129,7 +129,6 @@ namespace llvm {
       PM->add(createLoopRotatePass());            // Rotate Loop
       PM->add(createLICMPass());                  // Hoist loop invariants
       PM->add(createLoopUnswitchPass(OptimizeSize));
-      PM->add(createLoopIndexSplitPass());        // Split loop index
       PM->add(createInstructionCombiningPass());  
       PM->add(createIndVarSimplifyPass());        // Canonicalize indvars
       PM->add(createLoopDeletionPass());          // Delete dead loops