diff --git a/unittests/VMCore/PassManagerTest.cpp b/unittests/VMCore/PassManagerTest.cpp
index 5c3f04ef820..cb8f9ebb939 100644
--- a/unittests/VMCore/PassManagerTest.cpp
+++ b/unittests/VMCore/PassManagerTest.cpp
@@ -154,7 +154,7 @@ namespace llvm {
 
     struct CGPass : public PassTest<CallGraph, CallGraphSCCPass> {
     public:
-      virtual bool runOnSCC(const std::vector<CallGraphNode*> &SCMM) {
+      virtual bool runOnSCC(std::vector<CallGraphNode*> &SCMM) {
         EXPECT_TRUE(getAnalysisIfAvailable<TargetData>());
         run();
         return false;