diff --git a/osu.Game/Beatmaps/BeatmapManager.cs b/osu.Game/Beatmaps/BeatmapManager.cs
index 0f2cf6a730..b330cc2b4c 100644
--- a/osu.Game/Beatmaps/BeatmapManager.cs
+++ b/osu.Game/Beatmaps/BeatmapManager.cs
@@ -100,19 +100,19 @@ namespace osu.Game.Beatmaps
         /// <summary>
         /// Fired when a single difficulty has been hidden.
         /// </summary>
-        public Action<BeatmapInfo> BeatmapHidden
+        public event Action<BeatmapInfo> BeatmapHidden
         {
-            get => beatmapModelManager.BeatmapHidden;
-            set => beatmapModelManager.BeatmapHidden = value;
+            add => beatmapModelManager.BeatmapHidden += value;
+            remove => beatmapModelManager.BeatmapHidden -= value;
         }
 
         /// <summary>
         /// Fired when a single difficulty has been restored.
         /// </summary>
-        public Action<BeatmapInfo> BeatmapRestored
+        public event Action<BeatmapInfo> BeatmapRestored
         {
-            get => beatmapModelManager.BeatmapRestored;
-            set => beatmapModelManager.BeatmapRestored = value;
+            add => beatmapModelManager.BeatmapRestored += value;
+            remove => beatmapModelManager.BeatmapRestored -= value;
         }
 
         /// <summary>
diff --git a/osu.Game/Beatmaps/BeatmapModelManager.cs b/osu.Game/Beatmaps/BeatmapModelManager.cs
index 1a78a625d9..eb1bf598a4 100644
--- a/osu.Game/Beatmaps/BeatmapModelManager.cs
+++ b/osu.Game/Beatmaps/BeatmapModelManager.cs
@@ -36,12 +36,12 @@ namespace osu.Game.Beatmaps
         /// <summary>
         /// Fired when a single difficulty has been hidden.
         /// </summary>
-        public Action<BeatmapInfo> BeatmapHidden;
+        public event Action<BeatmapInfo> BeatmapHidden;
 
         /// <summary>
         /// Fired when a single difficulty has been restored.
         /// </summary>
-        public Action<BeatmapInfo> BeatmapRestored;
+        public event Action<BeatmapInfo> BeatmapRestored;
 
         /// <summary>
         /// An online lookup queue component which handles populating online beatmap metadata.