diff --git a/include/llvm/Analysis/InstForest.h b/include/llvm/Analysis/InstForest.h
index 68f71420a85..6e19c3745a5 100644
--- a/include/llvm/Analysis/InstForest.h
+++ b/include/llvm/Analysis/InstForest.h
@@ -16,15 +16,13 @@
 
 #include "llvm/Instruction.h"
 #include "llvm/BasicBlock.h"
+#include "llvm/Function.h"
 #include "Support/Tree.h"
 #include <map>
 
-namespace analysis {
-
 template<class Payload> class InstTreeNode;
 template<class Payload> class InstForest;
 
-
 //===----------------------------------------------------------------------===//
 //  Class InstTreeNode
 //===----------------------------------------------------------------------===//
@@ -287,8 +285,5 @@ InstTreeNode<Payload>::InstTreeNode(InstForest<Payload> &IF, Value *V,
   getTreeData().first.second = InstructionNode;
 }
 
-}  // End namespace analysis
-
-
 #endif