diff --git a/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h b/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h
index 4f941d26df4c..7f321a688aff 100644
--- a/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h
+++ b/llvm/include/llvm/Transforms/IPO/PassManagerBuilder.h
@@ -154,7 +154,6 @@ public:
   /// tests.
   const ModuleSummaryIndex *ImportSummary = nullptr;
 
-  bool DisableTailCalls;
   bool DisableUnrollLoops;
   bool CallGraphProfile;
   bool SLPVectorize;