diff --git a/disco/gateway/packets.py b/disco/gateway/packets.py
index 4c7651e..5c69c89 100644
--- a/disco/gateway/packets.py
+++ b/disco/gateway/packets.py
@@ -15,4 +15,3 @@ class OPCode(object):
     INVALID_SESSION = 9
     HELLO = 10
     HEARTBEAT_ACK = 11
-    GUILD_SYNC = 12