diff --git a/llvm/lib/CodeGen/TargetPassConfig.cpp b/llvm/lib/CodeGen/TargetPassConfig.cpp
index 10b723887b21f..ceae0d29eea90 100644
--- a/llvm/lib/CodeGen/TargetPassConfig.cpp
+++ b/llvm/lib/CodeGen/TargetPassConfig.cpp
@@ -401,8 +401,6 @@ struct InsertedPass {
 
 namespace llvm {
 
-extern cl::opt<bool> EnableFSDiscriminator;
-
 class PassConfigImpl {
 public:
   // List of passes explicitly substituted by this target. Normally this is