diff --git a/backbone/backbone-global.d.ts b/backbone/backbone-global.d.ts
index be849cee0..5f0b468c4 100644
--- a/backbone/backbone-global.d.ts
+++ b/backbone/backbone-global.d.ts
@@ -311,7 +311,7 @@ declare namespace Backbone {
         start(options?: HistoryOptions): boolean;
 
         getHash(window?: Window): string;
-        getFragment(fragment?: string, forcePushState?: boolean): string;
+        getFragment(fragment?: string): string;
         stop(): void;
         route(route: string, callback: Function): number;
         checkUrl(e?: any): void;