diff --git a/osu.Game/Database/ArchiveModelManager.cs b/osu.Game/Database/ArchiveModelManager.cs
index 7050e34712..3afb22f0ad 100644
--- a/osu.Game/Database/ArchiveModelManager.cs
+++ b/osu.Game/Database/ArchiveModelManager.cs
@@ -35,11 +35,13 @@ namespace osu.Game.Database
 
         /// <summary>
         /// Fired when a new <see cref="TModel"/> becomes available in the database.
+        /// This is not guaranteed to run on the update thread.
         /// </summary>
         public event Action<TModel> ItemAdded;
 
         /// <summary>
         /// Fired when a <see cref="TModel"/> is removed from the database.
+        /// This is not guaranteed to run on the update thread.
         /// </summary>
         public event Action<TModel> ItemRemoved;
 
diff --git a/osu.Game/Overlays/BeatmapSet/Header.cs b/osu.Game/Overlays/BeatmapSet/Header.cs
index b9a35ec1f0..8056dbff3c 100644
--- a/osu.Game/Overlays/BeatmapSet/Header.cs
+++ b/osu.Game/Overlays/BeatmapSet/Header.cs
@@ -246,11 +246,11 @@ namespace osu.Game.Overlays.BeatmapSet
             if (beatmaps != null) beatmaps.ItemAdded -= handleBeatmapAdd;
         }
 
-        private void handleBeatmapAdd(BeatmapSetInfo beatmap)
+        private void handleBeatmapAdd(BeatmapSetInfo beatmap) => Schedule(() =>
         {
             if (beatmap.OnlineBeatmapSetID == BeatmapSet?.OnlineBeatmapSetID)
                 downloadButtonsContainer.FadeOut(transition_duration);
-        }
+        });
 
         private void download(bool noVideo)
         {
diff --git a/osu.Game/Overlays/DirectOverlay.cs b/osu.Game/Overlays/DirectOverlay.cs
index 8d8a4aebaa..3f1aa04c36 100644
--- a/osu.Game/Overlays/DirectOverlay.cs
+++ b/osu.Game/Overlays/DirectOverlay.cs
@@ -188,12 +188,12 @@ namespace osu.Game.Overlays
             beatmaps.ItemAdded += setAdded;
         }
 
-        private void setAdded(BeatmapSetInfo set)
+        private void setAdded(BeatmapSetInfo set) => Schedule(() =>
         {
             // if a new map was imported, we should remove it from search results (download completed etc.)
             panels?.FirstOrDefault(p => p.SetInfo.OnlineBeatmapSetID == set.OnlineBeatmapSetID)?.FadeOut(400).Expire();
             BeatmapSets = BeatmapSets?.Where(b => b.OnlineBeatmapSetID != set.OnlineBeatmapSetID);
-        }
+        });
 
         private void updateResultCounts()
         {
@@ -323,6 +323,14 @@ namespace osu.Game.Overlays
 
         private int distinctCount(List<string> list) => list.Distinct().ToArray().Length;
 
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            if (beatmaps != null)
+                beatmaps.ItemAdded -= setAdded;
+        }
+
         public class ResultCounts
         {
             public readonly int Artists;
diff --git a/osu.Game/Overlays/Music/PlaylistOverlay.cs b/osu.Game/Overlays/Music/PlaylistOverlay.cs
index ac7ec6257b..c981e5f493 100644
--- a/osu.Game/Overlays/Music/PlaylistOverlay.cs
+++ b/osu.Game/Overlays/Music/PlaylistOverlay.cs
@@ -74,8 +74,8 @@ namespace osu.Game.Overlays.Music
                 },
             };
 
-            beatmaps.ItemAdded += list.AddBeatmapSet;
-            beatmaps.ItemRemoved += list.RemoveBeatmapSet;
+            beatmaps.ItemAdded += handleBeatmapAdded;
+            beatmaps.ItemRemoved += handleBeatmapRemoved;
 
             list.BeatmapSets = beatmaps.GetAllUsableBeatmapSets();
 
@@ -95,6 +95,9 @@ namespace osu.Game.Overlays.Music
             beatmapBacking.TriggerChange();
         }
 
+        private void handleBeatmapAdded(BeatmapSetInfo setInfo) => Schedule(() => list.AddBeatmapSet(setInfo));
+        private void handleBeatmapRemoved(BeatmapSetInfo setInfo) => Schedule(() => list.RemoveBeatmapSet(setInfo));
+
         protected override void PopIn()
         {
             filter.Search.HoldFocus = true;
@@ -153,6 +156,17 @@ namespace osu.Game.Overlays.Music
 
             track.Restart();
         }
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            if (beatmaps != null)
+            {
+                beatmaps.ItemAdded -= handleBeatmapAdded;
+                beatmaps.ItemRemoved -= handleBeatmapRemoved;
+            }
+        }
     }
 
     //todo: placeholder
diff --git a/osu.Game/Overlays/Settings/Sections/SkinSection.cs b/osu.Game/Overlays/Settings/Sections/SkinSection.cs
index 5df5304751..a2215035dd 100644
--- a/osu.Game/Overlays/Settings/Sections/SkinSection.cs
+++ b/osu.Game/Overlays/Settings/Sections/SkinSection.cs
@@ -21,9 +21,13 @@ namespace osu.Game.Overlays.Settings.Sections
 
         public override FontAwesome Icon => FontAwesome.fa_paint_brush;
 
+        private SkinManager skins;
+
         [BackgroundDependencyLoader]
         private void load(OsuConfigManager config, SkinManager skins)
         {
+            this.skins = skins;
+
             FlowContent.Spacing = new Vector2(0, 5);
             Children = new Drawable[]
             {
@@ -47,15 +51,29 @@ namespace osu.Game.Overlays.Settings.Sections
                 },
             };
 
-            void reloadSkins() => skinDropdown.Items = skins.GetAllUsableSkins().Select(s => new KeyValuePair<string, int>(s.ToString(), s.ID));
-            skins.ItemAdded += _ => reloadSkins();
-            skins.ItemRemoved += _ => reloadSkins();
+            skins.ItemAdded += onItemsChanged;
+            skins.ItemRemoved += onItemsChanged;
 
             reloadSkins();
 
             skinDropdown.Bindable = config.GetBindable<int>(OsuSetting.Skin);
         }
 
+        private void reloadSkins() => skinDropdown.Items = skins.GetAllUsableSkins().Select(s => new KeyValuePair<string, int>(s.ToString(), s.ID));
+
+        private void onItemsChanged(SkinInfo _) => Schedule(reloadSkins);
+
+        protected override void Dispose(bool isDisposing)
+        {
+            base.Dispose(isDisposing);
+
+            if (skins != null)
+            {
+                skins.ItemAdded -= onItemsChanged;
+                skins.ItemRemoved -= onItemsChanged;
+            }
+        }
+
         private class SizeSlider : OsuSliderBar<double>
         {
             public override string TooltipText => Current.Value.ToString(@"0.##x");