diff --git a/extensions/typescript-language-features/src/protocol.d.ts b/extensions/typescript-language-features/src/protocol.d.ts
index e202c0097fe..9cf1f851e48 100644
--- a/extensions/typescript-language-features/src/protocol.d.ts
+++ b/extensions/typescript-language-features/src/protocol.d.ts
@@ -10,21 +10,5 @@ declare module 'typescript/lib/protocol' {
 	interface Response {
 		readonly _serverType?: ServerType;
 	}
-
-	interface FileReferencesRequest extends FileRequest {
-	}
-	interface FileReferencesResponseBody {
-		/**
-		 * The file locations referencing the symbol.
-		 */
-		refs: readonly ReferencesResponseItem[];
-		/**
-		 * The name of the symbol.
-		 */
-		symbolName: string;
-	}
-	interface FileReferencesResponse extends Response {
-		body?: FileReferencesResponseBody;
-	}
 }