diff --git a/test/test-utils/test-utils.ts b/test/test-utils/test-utils.ts
index d9f4f3f5a65..dd1f47ad6d4 100644
--- a/test/test-utils/test-utils.ts
+++ b/test/test-utils/test-utils.ts
@@ -166,7 +166,6 @@ export function createTestClient(): MatrixClient {
             });
         }),
         mxcUrlToHttp: jest.fn().mockImplementation((mxc: string) => `http://this.is.a.url/${mxc.substring(6)}`),
-        scheduleAllGroupSessionsForBackup: jest.fn().mockResolvedValue(undefined),
         setAccountData: jest.fn(),
         setRoomAccountData: jest.fn(),
         setRoomTopic: jest.fn(),