diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 065cd7ba00b..22c294b448a 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -3776,7 +3776,6 @@ void SelectionDAGISel::getAnalysisUsage(AnalysisUsage &AU) const {
   // updates dom and loop info.
   AU.addRequired<AliasAnalysis>();
   AU.addRequired<LoopInfo>();
-  AU.setPreservesAll();
 }