diff --git a/include/llvm/Support/StandardPasses.h b/include/llvm/Support/StandardPasses.h
index 3b2fbf04123..9df8a650e9d 100644
--- a/include/llvm/Support/StandardPasses.h
+++ b/include/llvm/Support/StandardPasses.h
@@ -117,7 +117,6 @@ namespace llvm {
       PM->add(createArgumentPromotionPass());   // Scalarize uninlined fn args
     
     // Start of function pass.
-    
     PM->add(createScalarReplAggregatesPass());  // Break up aggregate allocas
     if (SimplifyLibCalls)
       PM->add(createSimplifyLibCallsPass());    // Library Call Optimizations
@@ -129,8 +128,6 @@ namespace llvm {
     PM->add(createTailCallEliminationPass());   // Eliminate tail calls
     PM->add(createCFGSimplificationPass());     // Merge & remove BBs
     PM->add(createReassociatePass());           // Reassociate expressions
-    // Explicitly schedule this to ensure that it runs before any loop pass.
-    PM->add(new DominanceFrontier());           // Calculate Dominance Frontiers
     PM->add(createLoopRotatePass());            // Rotate Loop
     PM->add(createLICMPass());                  // Hoist loop invariants
     PM->add(createLoopUnswitchPass(OptimizeSize || OptimizationLevel < 3));