diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index 82778d9b8ae..edb8c54ae9d 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -54,10 +54,3 @@ TargetMachine::~TargetMachine() {
   delete IL;
 }
 
-unsigned TargetMachine::findOptimalStorageSize(const Type *Ty) const {
-  // All integer types smaller than ints promote to 4 byte integers.
-  if (Ty->isIntegral() && Ty->getPrimitiveSize() < 4)
-    return 4;
-
-  return DataLayout.getTypeSize(Ty);
-}