diff --git a/osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmap.cs b/osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmap.cs
index c376e2a47b..69c85fec87 100644
--- a/osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmap.cs
+++ b/osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmap.cs
@@ -14,7 +14,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
         /// <summary>
         /// The definitions for each stage in a <see cref="ManiaPlayfield"/>.
         /// </summary>
-        public readonly List<StageDefinition> Stages = new List<StageDefinition>();
+        public readonly List<StageDefinition> Stages;
 
         /// <summary>
         /// Total number of columns represented by all stages in this <see cref="ManiaBeatmap"/>.
@@ -24,7 +24,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
         /// <summary>
         /// Creates a new <see cref="ManiaBeatmap"/>.
         /// </summary>
-        /// <param name="initialStage">The initial stage.</param>
+        /// <param name="stages">The initial stages.</param>
         public ManiaBeatmap(List<StageDefinition> stages)
         {
             Stages = stages;
diff --git a/osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmapConverter.cs b/osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmapConverter.cs
index eaa57666fe..e5a444533d 100644
--- a/osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmapConverter.cs
+++ b/osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmapConverter.cs
@@ -69,8 +69,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
 
         protected override Beatmap<ManiaHitObject> CreateBeatmap()
         {
-            if(StageDefinitions==null)
-                StageDefinitions=new List<StageDefinition>()
+            if (StageDefinitions == null)
+                StageDefinitions = new List<StageDefinition>
                 {
                     new StageDefinition { Columns = TargetColumns }
                 };
diff --git a/osu.Game.Rulesets.Mania/Mods/ManiaModKeyCoop.cs b/osu.Game.Rulesets.Mania/Mods/ManiaModKeyCoop.cs
index 33da82ba94..01fe9863e9 100644
--- a/osu.Game.Rulesets.Mania/Mods/ManiaModKeyCoop.cs
+++ b/osu.Game.Rulesets.Mania/Mods/ManiaModKeyCoop.cs
@@ -27,10 +27,10 @@ namespace osu.Game.Rulesets.Mania.Mods
 
             int originTargetColumns = mbc.TargetColumns;
 
-            var newStages = new List<StageDefinition>()
+            var newStages = new List<StageDefinition>
             {
-                new StageDefinition() { Columns = originTargetColumns },
-                new StageDefinition() { Columns = originTargetColumns },
+                new StageDefinition { Columns = originTargetColumns },
+                new StageDefinition { Columns = originTargetColumns },
             };
 
             mbc.StageDefinitions = newStages;