diff --git a/synapse/federation/sender/per_destination_queue.py b/synapse/federation/sender/per_destination_queue.py
index 9bfa0bb757..ffc9d95ee7 100644
--- a/synapse/federation/sender/per_destination_queue.py
+++ b/synapse/federation/sender/per_destination_queue.py
@@ -509,17 +509,6 @@ class PerDestinationQueue:
                 # servers, but the remote will correctly deduplicate them and
                 # handle it only once.
 
-                # TEMPORARY HACK: the loop body below can block during partial state
-                # resyncs. This is bad---other, fully joined rooms have their federation
-                # sending nobbled. As a stopgap, ignore partial state rooms here.
-                # Any queued messages in rooms that we skip won't be sent to this
-                # destination; they'll wait for us to send a new event in the room.
-                if await self._store.is_partial_state_room(pdu.room_id):
-                    logger.warning(
-                        "SKIPPING CATCHUP FOR PARTIAL STATE ROOM: %s", pdu.room_id
-                    )
-                    continue
-
                 # Step 1, fetch the current extremities
                 extrems = await self._store.get_prev_events_for_room(pdu.room_id)