diff --git a/lib/Analysis/AliasSetTracker.cpp b/lib/Analysis/AliasSetTracker.cpp
index 228bb80..398bf5a 100644
--- a/lib/Analysis/AliasSetTracker.cpp
+++ b/lib/Analysis/AliasSetTracker.cpp
@@ -284,20 +284,13 @@
 
 bool AliasSetTracker::add(FreeInst *FI) {
   bool NewPtr;
-  AliasSet &AS = addPointer(FI->getOperand(0), ~0,
-                            AliasSet::Mods, NewPtr);
-
-  // Free operations are volatile ops (cannot be moved).
-  AS.setVolatile();
+  addPointer(FI->getOperand(0), ~0, AliasSet::Mods, NewPtr);
   return NewPtr;
 }
 
 bool AliasSetTracker::add(VAArgInst *VAAI) {
   bool NewPtr;
-  AliasSet &AS = addPointer(VAAI->getOperand(0), ~0, AliasSet::ModRef, NewPtr);
-  
-  // Treat vaarg instructions as volatile (not to be moved).
-  AS.setVolatile();
+  addPointer(VAAI->getOperand(0), ~0, AliasSet::ModRef, NewPtr);
   return NewPtr;
 }