diff --git a/osu.Game/Beatmaps/Formats/LegacyBeatmapEncoder.cs b/osu.Game/Beatmaps/Formats/LegacyBeatmapEncoder.cs
index 12f2c58e35..8d9dfc318a 100644
--- a/osu.Game/Beatmaps/Formats/LegacyBeatmapEncoder.cs
+++ b/osu.Game/Beatmaps/Formats/LegacyBeatmapEncoder.cs
@@ -194,20 +194,7 @@ namespace osu.Game.Beatmaps.Formats
                         handleOsuHitObject(writer, h);
                     break;
 
-                case 1:
-                    foreach (var h in beatmap.HitObjects)
-                        handleTaikoHitObject(writer, h);
-                    break;
-
-                case 2:
-                    foreach (var h in beatmap.HitObjects)
-                        handleCatchHitObject(writer, h);
-                    break;
-
-                case 3:
-                    foreach (var h in beatmap.HitObjects)
-                        handleManiaHitObject(writer, h);
-                    break;
+                // TODO: implement other legacy rulesets
             }
         }
 
@@ -328,12 +315,6 @@ namespace osu.Game.Beatmaps.Formats
             }
         }
 
-        private void handleTaikoHitObject(TextWriter writer, HitObject hitObject) => throw new NotImplementedException();
-
-        private void handleCatchHitObject(TextWriter writer, HitObject hitObject) => throw new NotImplementedException();
-
-        private void handleManiaHitObject(TextWriter writer, HitObject hitObject) => throw new NotImplementedException();
-
         private string getSampleBank(IList<HitSampleInfo> samples, bool banksOnly = false, bool zeroBanks = false)
         {
             LegacySampleBank normalBank = toLegacySampleBank(samples.SingleOrDefault(s => s.Name == HitSampleInfo.HIT_NORMAL)?.Bank);
diff --git a/osu.Game/Screens/Edit/EditorChangeHandler.cs b/osu.Game/Screens/Edit/EditorChangeHandler.cs
index ac889500b4..1553c2d2ef 100644
--- a/osu.Game/Screens/Edit/EditorChangeHandler.cs
+++ b/osu.Game/Screens/Edit/EditorChangeHandler.cs
@@ -82,19 +82,12 @@ namespace osu.Game.Screens.Edit
             if (savedStates.Count > MAX_SAVED_STATES)
                 savedStates.RemoveAt(0);
 
-            try
+            using (var stream = new MemoryStream())
             {
-                using (var stream = new MemoryStream())
-                {
-                    using (var sw = new StreamWriter(stream, Encoding.UTF8, 1024, true))
-                        new LegacyBeatmapEncoder(editorBeatmap).Encode(sw);
+                using (var sw = new StreamWriter(stream, Encoding.UTF8, 1024, true))
+                    new LegacyBeatmapEncoder(editorBeatmap).Encode(sw);
 
-                    savedStates.Add(stream.ToArray());
-                }
-            }
-            catch (NotImplementedException)
-            {
-                // some rulesets don't have encoder implementations yet.
+                savedStates.Add(stream.ToArray());
             }
 
             currentState = savedStates.Count - 1;