Include hashes of previous pdus when referencing them

1 files changed, 0 insertions, 4 deletions

diff --git a/synapse/state.py b/synapse/state.py

index 9db84c9b5c..bc6b928ec7 100644
--- a/synapse/state.py
+++ b/synapse/state.py
@@ -72,10 +72,6 @@ class StateHandler(object):
 
         snapshot.fill_out_prev_events(event)
 
-        event.prev_events = [
-            e for e in event.prev_events if e != event.event_id
-        ]
-
         current_state = snapshot.prev_state_pdu
 
         if current_state: