diff --git a/clang/include/clang/Basic/TargetInfo.h b/clang/include/clang/Basic/TargetInfo.h
index c3bce6e807f34..5c9031cc69dbb 100644
--- a/clang/include/clang/Basic/TargetInfo.h
+++ b/clang/include/clang/Basic/TargetInfo.h
@@ -1851,7 +1851,7 @@ class TargetInfo : public TransferrableTargetInfo,
 
   /// Returns the version of the darwin target variant SDK which was used during
   /// the compilation if one was specified, or an empty version otherwise.
-  const std::optional<VersionTuple> getDarwinTargetVariantSDKVersion() const {
+  std::optional<VersionTuple> getDarwinTargetVariantSDKVersion() const {
     return !getTargetOpts().DarwinTargetVariantSDKVersion.empty()
                ? getTargetOpts().DarwinTargetVariantSDKVersion
                : std::optional<VersionTuple>();