diff --git a/conduwuit-example.toml b/conduwuit-example.toml
index 588c1f28..9f0d44f0 100644
--- a/conduwuit-example.toml
+++ b/conduwuit-example.toml
@@ -1196,10 +1196,11 @@
 #
 #typing_client_timeout_max_s = 45
 
-# The maximum number of events to send at once for non-limited legacy syncs.
-# Has no effect on sliding sync. This parameter also affects how many messages from each room
-# are sent to the client on initial syncs, and larger values will make initial syncs slower.
-# The default of 10 is reasonable for most use cases.
+# The maximum number of events to send at once for non-limited legacy
+# syncs. Has no effect on sliding sync. This parameter also affects how
+# many messages from each room are sent to the client on initial syncs;
+# larger values will make initial syncs slower. The default of 10 is
+# reasonable for most use cases.
 #
 #incremental_sync_max_timeline_size = 10
 
diff --git a/src/api/client/sync/v3/left.rs b/src/api/client/sync/v3/left.rs
index 6ee754d3..ab5f36d9 100644
--- a/src/api/client/sync/v3/left.rs
+++ b/src/api/client/sync/v3/left.rs
@@ -73,7 +73,11 @@ pub(super) async fn load_left_room(
 	}
 
 	if let Some(ref leave_pdu) = leave_pdu {
-		debug_assert_eq!(leave_pdu.kind, TimelineEventType::RoomMember);
+		debug_assert_eq!(
+			leave_pdu.kind,
+			TimelineEventType::RoomMember,
+			"leave PDU should be m.room.member"
+		);
 	}
 
 	let does_not_exist = services.rooms.metadata.exists(room_id).eq(&false).await;
@@ -93,7 +97,11 @@ pub(super) async fn load_left_room(
 			// the user left if they're allowed to see it.
 
 			let leave_state_key = sender_user;
-			debug_assert_eq!(Some(leave_state_key.as_str()), leave_pdu.state_key());
+			debug_assert_eq!(
+				Some(leave_state_key.as_str()),
+				leave_pdu.state_key(),
+				"leave PDU should be for the user requesting the sync"
+			);
 
 			let leave_shortstatehash = services
 				.rooms
diff --git a/src/api/client/sync/v5.rs b/src/api/client/sync/v5.rs
index 24180b35..f38083db 100644
--- a/src/api/client/sync/v5.rs
+++ b/src/api/client/sync/v5.rs
@@ -708,7 +708,7 @@ async fn collect_typing_events(
 	}
 
 	let mut typing_response = sync_events::v5::response::Typing::default();
-	for (room_id, (required_state_request, timeline_limit, roomsince)) in todo_rooms {
+	for (room_id, (_, _, roomsince)) in todo_rooms {
 		if services.rooms.typing.last_typing_update(room_id).await? <= *roomsince {
 			continue;
 		}
diff --git a/src/api/server/invite.rs b/src/api/server/invite.rs
index 1c12aa8d..6d9b08ea 100644
--- a/src/api/server/invite.rs
+++ b/src/api/server/invite.rs
@@ -135,7 +135,7 @@ pub(crate) async fn create_invite_route(
 			.mark_as_invited(
 				&recipient_user,
 				&body.room_id,
-				&sender_user,
+				sender_user,
 				Some(invite_state),
 				body.via.clone(),
 			)
diff --git a/src/service/rooms/short/mod.rs b/src/service/rooms/short/mod.rs
index 6eafc8ee..7c21e826 100644
--- a/src/service/rooms/short/mod.rs
+++ b/src/service/rooms/short/mod.rs
@@ -283,7 +283,6 @@ where
 	)
 	.ready_filter_map(|state_event| match state_event {
 		| (Ok(state_key), Ok(event_id)) => Some(Ok((state_key, event_id))),
-		| (Err(e), _) => Some(Err(e)),
-		| (_, Err(e)) => Some(Err(e)),
+		| (Err(e), _) | (_, Err(e)) => Some(Err(e)),
 	})
 }
diff --git a/src/service/rooms/timeline/append.rs b/src/service/rooms/timeline/append.rs
index 8a2b4782..c141577d 100644
--- a/src/service/rooms/timeline/append.rs
+++ b/src/service/rooms/timeline/append.rs
@@ -326,7 +326,7 @@ where
 				// knock event for auth
 				self.services
 					.state_cache
-					.update_membership(room_id, target_user_id, &pdu, true)
+					.update_membership(room_id, target_user_id, pdu, true)
 					.await?;
 			}
 		},