diff --git a/discord/state.py b/discord/state.py
index 916d87f1a..94d2cfa97 100644
--- a/discord/state.py
+++ b/discord/state.py
@@ -798,7 +798,7 @@ class ConnectionState:
                     for s in guild.scheduled_events:
                         if s.channel_id == channel.id:
                             guild._scheduled_events.pop(s.id)
-                            self.dispatch('scheduled_event_delete', guild, s)
+                            self.dispatch('scheduled_event_delete', s)
 
     def parse_channel_update(self, data: gw.ChannelUpdateEvent) -> None:
         channel_type = try_enum(ChannelType, data.get('type'))