diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 522b8ce56c3266..2eb4adac53de2a 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -5074,7 +5074,7 @@ void ASTWriter::WriteSpecialDeclRecords(Sema &SemaRef) {
   // Write the record containing declaration references of Sema.
   RecordData SemaDeclRefs;
   if (SemaRef.StdNamespace || SemaRef.StdBadAlloc || SemaRef.StdAlignValT) {
-    auto AddEmittedDeclRefOrZero = [this, &SemaDeclRefs, &SemaRef](Decl *D) {
+    auto AddEmittedDeclRefOrZero = [this, &SemaDeclRefs](Decl *D) {
       if (!D || !wasDeclEmitted(D))
         SemaDeclRefs.push_back(0);
       else