diff --git a/synapse/notifier.py b/synapse/notifier.py
index 022d60a3b5..c310a9fed6 100644
--- a/synapse/notifier.py
+++ b/synapse/notifier.py
@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from twisted.internet import defer, reactor
+from twisted.internet import defer
 
 from synapse.util.logutils import log_function
 from synapse.util.logcontext import PreserveLoggingContext