diff --git a/app/definitions/rest/v1/users.ts b/app/definitions/rest/v1/users.ts
index 17b0e1e8e..035e62509 100644
--- a/app/definitions/rest/v1/users.ts
+++ b/app/definitions/rest/v1/users.ts
@@ -43,6 +43,9 @@ export type UsersEndpoints = {
 			user: IUser;
 		};
 	};
+	'users.getUsernameSuggestion': {
+		GET: () => { result: string };
+	};
 	'users.resetAvatar': {
 		POST: (params: { userId: string }) => {};
 	};
diff --git a/app/lib/rocketchat/services/restApi.ts b/app/lib/rocketchat/services/restApi.ts
index fe4e3a1aa..cc5f9e361 100644
--- a/app/lib/rocketchat/services/restApi.ts
+++ b/app/lib/rocketchat/services/restApi.ts
@@ -586,10 +586,8 @@ export const setAvatarFromService = ({
 	// RC 0.51.0
 	sdk.methodCallWrapper('setAvatarFromService', data, contentType, service);
 
-export const getUsernameSuggestion = (): any =>
+export const getUsernameSuggestion = () =>
 	// RC 0.65.0
-	// TODO: missing definitions from server
-	// @ts-ignore
 	sdk.get('users.getUsernameSuggestion');
 
 export const getFiles = (roomId: string, type: RoomTypes, offset: number): any =>