diff --git a/lib/Analysis/Delinearization.cpp b/lib/Analysis/Delinearization.cpp
index 98a1ad3e639..6cc27b630cb 100644
--- a/lib/Analysis/Delinearization.cpp
+++ b/lib/Analysis/Delinearization.cpp
@@ -34,6 +34,8 @@
 
 using namespace llvm;
 
+namespace {
+
 class Delinearization : public FunctionPass {
   Delinearization(const Delinearization &); // do not implement
 protected:
@@ -52,6 +54,8 @@ public:
   virtual void print(raw_ostream &O, const Module *M = 0) const;
 };
 
+} // end anonymous namespace
+
 void Delinearization::getAnalysisUsage(AnalysisUsage &AU) const {
   AU.setPreservesAll();
   AU.addRequired<LoopInfo>();