Index: ChapterX.Domain/Repositories/ICollaborationRepository.cs
===================================================================
--- ChapterX.Domain/Repositories/ICollaborationRepository.cs	(revision a6e33d1f34c0dbbfff38bfb2c73eea32abfe7cff)
+++ ChapterX.Domain/Repositories/ICollaborationRepository.cs	(revision 877c13c3dd0934c1d31da7988d0d2c2c5925ed55)
@@ -5,5 +5,4 @@
     public interface ICollaborationRepository : IRepository<Collaboration>
     {
-        Task<bool> DeleteByUserAndStoryAsync(int userId, int storyId, CancellationToken cancellationToken = default);
     }
 }
