diff --git a/src/service/globals.rs b/src/service/globals.rs
index 0a02ffe0..db02c7ea 100644
--- a/src/service/globals.rs
+++ b/src/service/globals.rs
@@ -542,6 +542,7 @@ impl Service {
     /// Filters the key map of multiple servers down to keys that should be
     /// accepted given the expiry time, room version, and timestamp of the
     /// paramters
+    #[expect(clippy::unused_self, reason = "exposed via services()")]
     pub(crate) fn filter_keys_server_map(
         &self,
         keys: BTreeMap<String, SigningKeys>,
@@ -550,17 +551,19 @@ impl Service {
     ) -> BTreeMap<String, BTreeMap<String, Base64>> {
         keys.into_iter()
             .filter_map(|(server, keys)| {
-                self.filter_keys_single_server(keys, timestamp, room_version_id)
-                    .map(|keys| (server, keys))
+                Self::filter_keys_single_server(
+                    keys,
+                    timestamp,
+                    room_version_id,
+                )
+                .map(|keys| (server, keys))
             })
             .collect()
     }
 
     /// Filters the keys of a single server down to keys that should be accepted
     /// given the expiry time, room version, and timestamp of the paramters
-    #[expect(clippy::unused_self)]
     pub(crate) fn filter_keys_single_server(
-        &self,
         keys: SigningKeys,
         timestamp: MilliSecondsSinceUnixEpoch,
         _room_version_id: &RoomVersionId,