diff --git a/lib/services/collection_service.dart b/lib/services/collection_service.dart
index 088b914..f2fee28 100644
--- a/lib/services/collection_service.dart
+++ b/lib/services/collection_service.dart
@@ -114,31 +114,14 @@ class CollectionService {
     final itemCounts = await getCollectionItemCounts(collectionIdList);
 
     final memberCounts = <String, int>{};
-    await Future.wait(collectionIdList.map((collectionId) async {
-      try {
-        final rows = await supabase.rpc('get_collection_members', params: {
-          'p_collection_id': collectionId,
-        });
-        memberCounts[collectionId] = (rows as List).length;
-      } catch (_) {
-        // Keep fallback below when RPC fails.
-      }
-    }));
+    final members = await supabase
+        .from('collection_members')
+        .select('collection_id')
+        .inFilter('collection_id', collectionIdList);
 
-    // Fallback member count for collections where RPC did not return data.
-    final unresolvedIds = collectionIdList
-        .where((id) => !memberCounts.containsKey(id))
-        .toList(growable: false);
-    if (unresolvedIds.isNotEmpty) {
-      final members = await supabase
-          .from('collection_members')
-          .select('id, collection_id')
-          .inFilter('collection_id', unresolvedIds);
-
-      for (final member in members) {
-        final collectionId = member['collection_id'] as String;
-        memberCounts[collectionId] = (memberCounts[collectionId] ?? 0) + 1;
-      }
+    for (final member in members) {
+      final collectionId = member['collection_id'] as String;
+      memberCounts[collectionId] = (memberCounts[collectionId] ?? 0) + 1;
     }
 
     final collections = <Collection>[];