diff --git a/synapse/federation/persistence.py b/synapse/federation/persistence.py
index 76d37a0c5..2286fca82 100644
--- a/synapse/federation/persistence.py
+++ b/synapse/federation/persistence.py
@@ -39,25 +39,6 @@ class PduActions(object):
     def __init__(self, datastore):
         self.store = datastore
 
-    @log_function
-    def persist_received(self, pdu):
-        """ Persists the given `Pdu` that was received from a remote home
-        server.
-
-        Returns:
-            Deferred
-        """
-        return self.store.persist_event(pdu=pdu)
-
-    @log_function
-    def persist_outgoing(self, pdu):
-        """ Persists the given `Pdu` that this home server created.
-
-        Returns:
-            Deferred
-        """
-        return self.store.persist_event(pdu=pdu)
-
     @log_function
     def mark_as_processed(self, pdu):
         """ Persist the fact that we have fully processed the given `Pdu`
diff --git a/synapse/federation/replication.py b/synapse/federation/replication.py
index cf634a64b..731cb74dd 100644
--- a/synapse/federation/replication.py
+++ b/synapse/federation/replication.py
@@ -137,7 +137,7 @@ class ReplicationLayer(object):
         #yield self.pdu_actions.populate_previous_pdus(pdu)
 
         # Save *before* trying to send
-        yield self.pdu_actions.persist_outgoing(pdu)
+        yield self.store.persist_event(pdu=pdu)
 
         logger.debug("[%s] Persisted PDU", pdu.pdu_id)
         logger.debug("[%s] transaction_layer.enqueue_pdu... ", pdu.pdu_id)
@@ -450,7 +450,7 @@ class ReplicationLayer(object):
                             logger.exception("Failed to get PDU")
 
         # Persist the Pdu, but don't mark it as processed yet.
-        yield self.pdu_actions.persist_received(pdu)
+        yield self.store.persist_event(pdu=pdu)
 
         if not backfilled:
             ret = yield self.handler.on_receive_pdu(pdu, backfilled=backfilled)