diff --git a/clang/lib/Frontend/SARIFDiagnostic.cpp b/clang/lib/Frontend/SARIFDiagnostic.cpp
index d19426c91a3d4..2bcbd5cf34f2c 100644
--- a/clang/lib/Frontend/SARIFDiagnostic.cpp
+++ b/clang/lib/Frontend/SARIFDiagnostic.cpp
@@ -71,8 +71,7 @@ SarifResult SARIFDiagnostic::addLocationToResult(
     FileID FID = Loc.getFileID();
     if (FID.isValid()) {
       if (const FileEntry *FE = Loc.getFileEntry()) {
-        llvm::StringRef Filename =
-            emitFilename(FE->getName(), Loc.getManager());
+        emitFilename(FE->getName(), Loc.getManager());
         // FIXME(llvm-project/issues/57366): File-only locations
       }
     }