diff --git a/include/llvm/Transforms/Utils/SimplifyIndVar.h b/include/llvm/Transforms/Utils/SimplifyIndVar.h
index 2632d186ff9..7e97e218fb0 100644
--- a/include/llvm/Transforms/Utils/SimplifyIndVar.h
+++ b/include/llvm/Transforms/Utils/SimplifyIndVar.h
@@ -21,8 +21,6 @@
 
 namespace llvm {
 
-extern cl::opt<bool> DisableIVRewrite;
-
 class CastInst;
 class IVUsers;
 class Loop;