diff --git a/app/definitions/rest/v1/e2e.ts b/app/definitions/rest/v1/e2e.ts
index 736280fce..44705c851 100644
--- a/app/definitions/rest/v1/e2e.ts
+++ b/app/definitions/rest/v1/e2e.ts
@@ -9,6 +9,9 @@ export type E2eEndpoints = {
 			users: Pick<IUser, '_id' | 'e2e'>[];
 		};
 	};
+	'e2e.updateGroupKey': {
+		POST: (params: { uid: string; rid: string; key: string }) => {};
+	};
 	'e2e.setRoomKeyID': {
 		POST: (params: { rid: string; keyID: string }) => {};
 	};
diff --git a/app/lib/rocketchat/services/restApi.ts b/app/lib/rocketchat/services/restApi.ts
index b32cbcb89..560da66d7 100644
--- a/app/lib/rocketchat/services/restApi.ts
+++ b/app/lib/rocketchat/services/restApi.ts
@@ -51,8 +51,6 @@ export const e2eSetRoomKeyID = (rid: string, keyID: string) =>
 
 export const e2eUpdateGroupKey = (uid: string, rid: string, key: string): any =>
 	// RC 0.70.0
-	// TODO: missing definitions from server
-	// @ts-ignore
 	sdk.post('e2e.updateGroupKey', { uid, rid, key });
 
 export const e2eRequestRoomKey = (rid: string, e2eKeyId: string) =>