diff --git a/include/llvm/CodeGen/ValueTypes.h b/include/llvm/CodeGen/ValueTypes.h
index ad040df0797..071bd1498e6 100644
--- a/include/llvm/CodeGen/ValueTypes.h
+++ b/include/llvm/CodeGen/ValueTypes.h
@@ -892,7 +892,7 @@ namespace llvm {
     bool isExtended1024BitVector() const LLVM_READONLY;
     EVT getExtendedVectorElementType() const;
     unsigned getExtendedVectorNumElements() const LLVM_READONLY;
-    unsigned getExtendedSizeInBits() const LLVM_READONLY;
+    unsigned getExtendedSizeInBits() const;
   };
 
 } // End llvm namespace