diff --git a/extensions/typescript-language-features/src/typescriptService.ts b/extensions/typescript-language-features/src/typescriptService.ts
index 306769f952a..33d89e1df8d 100644
--- a/extensions/typescript-language-features/src/typescriptService.ts
+++ b/extensions/typescript-language-features/src/typescriptService.ts
@@ -77,6 +77,7 @@ interface StandardTsServerRequests {
 	'getMoveToRefactoringFileSuggestions': [Proto.GetMoveToRefactoringFileSuggestionsRequestArgs, Proto.GetMoveToRefactoringFileSuggestions];
 	'linkedEditingRange': [Proto.FileLocationRequestArgs, Proto.LinkedEditingRangeResponse];
 	'mapCode': [Proto.MapCodeRequestArgs, Proto.MapCodeResponse];
+	// @ts-expect-error until ts5.7
 	'copilotRelated': [Proto.FileRequestArgs, Proto.CopilotRelatedResponse];
 	'getPasteEdits': [Proto.GetPasteEditsRequestArgs, Proto.GetPasteEditsResponse];
 	'preparePasteEdits': [Proto.PreparePasteEditsRequestArgs, Proto.PreparePasteEditsResponse];