diff --git a/Kyoo.Common/Models/Collection.cs b/Kyoo.Common/Models/Collection.cs
index 98881da2..5336c52c 100644
--- a/Kyoo.Common/Models/Collection.cs
+++ b/Kyoo.Common/Models/Collection.cs
@@ -19,6 +19,14 @@ namespace Kyoo.Models
 			get => Links.Select(x => x.Show);
 			set => Links = value.Select(x => new CollectionLink(this, x));
 		}
+		
+		[NotMergable] [JsonIgnore] public virtual IEnumerable<LibraryLink> LibraryLinks { get; set; }
+
+		[NotMergable] [JsonIgnore] public IEnumerable<Library> Libraries
+		{
+			get => LibraryLinks?.Select(x => x.Library);
+			set => LibraryLinks = value?.Select(x => new LibraryLink(x, this));
+		}
 
 		public Collection() { }
 
diff --git a/Kyoo/Controllers/Repositories/CollectionRepository.cs b/Kyoo/Controllers/Repositories/CollectionRepository.cs
index 4b2f4786..5e3fcd43 100644
--- a/Kyoo/Controllers/Repositories/CollectionRepository.cs
+++ b/Kyoo/Controllers/Repositories/CollectionRepository.cs
@@ -115,7 +115,14 @@ namespace Kyoo.Controllers
 		{
 			if (obj == null)
 				throw new ArgumentNullException(nameof(obj));
-			_database.Collections.Remove(obj);
+
+			_database.Entry(obj).State = EntityState.Deleted;
+			if (obj.Links != null)
+				foreach (CollectionLink link in obj.Links)
+					_database.Entry(link).State = EntityState.Deleted;
+			if (obj.LibraryLinks != null)
+				foreach (LibraryLink link in obj.LibraryLinks)
+					_database.Entry(link).State = EntityState.Deleted;
 			await _database.SaveChangesAsync();
 		}
 	}