diff --git a/synapse/storage/devices.py b/synapse/storage/devices.py
index e7800da4f..b3e8c7396 100644
--- a/synapse/storage/devices.py
+++ b/synapse/storage/devices.py
@@ -630,7 +630,6 @@ class DeviceStore(DeviceWorkerStore, BackgroundUpdateStore):
         )
         values = [user_id]
         values.extend(device_ids)
-        values.append(False)
 
         yield self._execute("delete_devices", None, sql, *values)