diff --git a/src/matrix/Sync.js b/src/matrix/Sync.js
index 6edf9b9d..89e807b8 100644
--- a/src/matrix/Sync.js
+++ b/src/matrix/Sync.js
@@ -15,12 +15,10 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import {AbortError} from "./error.js";
 import {ObservableValue} from "../observable/ObservableValue.js";
 import {createEnum} from "../utils/enum.js";
 
 const INCREMENTAL_TIMEOUT = 30000;
-const SYNC_EVENT_LIMIT = 10;
 
 export const SyncStatus = createEnum(
     "InitialSync",