diff --git a/lib/Analysis/DataStructure/BottomUpClosure.cpp b/lib/Analysis/DataStructure/BottomUpClosure.cpp
index 5dcaa31..46817b1 100644
--- a/lib/Analysis/DataStructure/BottomUpClosure.cpp
+++ b/lib/Analysis/DataStructure/BottomUpClosure.cpp
@@ -369,7 +369,6 @@
               << Graph.getFunctionNames() << "' [" << Graph.getGraphSize() <<"+"
               << Graph.getAuxFunctionCalls().size() << "]\n");
         Graph.mergeInGraph(CS, *Callee, *GI,
-                           DSGraph::KeepModRefBits | 
                            DSGraph::StripAllocaBit|DSGraph::DontCloneCallNodes);
         ++NumBUInlines;
       } else {
@@ -444,7 +443,6 @@
               << Graph.getAuxFunctionCalls().size() << "]\n");
 
         Graph.mergeInGraph(CS, IndCallGraph.second, *GI,
-                           DSGraph::KeepModRefBits | 
                            DSGraph::StripAllocaBit |
                            DSGraph::DontCloneCallNodes);
         ++NumBUInlines;
diff --git a/lib/Analysis/DataStructure/CompleteBottomUp.cpp b/lib/Analysis/DataStructure/CompleteBottomUp.cpp
index 103c6bf..3cb0b6e 100644
--- a/lib/Analysis/DataStructure/CompleteBottomUp.cpp
+++ b/lib/Analysis/DataStructure/CompleteBottomUp.cpp
@@ -235,7 +235,7 @@
         // calls or for self recursion within an SCC.
         DSGraph &GI = getOrCreateGraph(*CalleeFunc);
         ++NumCBUInlines;
-        G.mergeInGraph(CS, *CalleeFunc, GI, DSGraph::KeepModRefBits |
+        G.mergeInGraph(CS, *CalleeFunc, GI, 
                        DSGraph::StripAllocaBit | DSGraph::DontCloneCallNodes |
                        DSGraph::DontCloneAuxCallNodes);
         DEBUG(std::cerr << "    Inlining graph [" << i << "/"
diff --git a/lib/Analysis/DataStructure/EquivClassGraphs.cpp b/lib/Analysis/DataStructure/EquivClassGraphs.cpp
index 7632200..288f594 100644
--- a/lib/Analysis/DataStructure/EquivClassGraphs.cpp
+++ b/lib/Analysis/DataStructure/EquivClassGraphs.cpp
@@ -436,7 +436,7 @@
       if (CalleeGraph != &G) {
         ++NumFoldGraphInlines;
         G.mergeInGraph(CS, *CalleeFunc, *CalleeGraph,
-                       DSGraph::KeepModRefBits | DSGraph::StripAllocaBit |
+                       DSGraph::StripAllocaBit |
                        DSGraph::DontCloneCallNodes |
                        DSGraph::DontCloneAuxCallNodes);
         DEBUG(std::cerr << "    Inlining graph [" << i << "/"