diff --git a/osu.Game/Screens/Edit/Screens/Compose/WaveformDisplay.cs b/osu.Game/Screens/Edit/Screens/Compose/WaveformDisplay.cs
index a781e63fd9..236f6b6d47 100644
--- a/osu.Game/Screens/Edit/Screens/Compose/WaveformDisplay.cs
+++ b/osu.Game/Screens/Edit/Screens/Compose/WaveformDisplay.cs
@@ -23,7 +23,6 @@ namespace osu.Game.Screens.Edit.Screens.Compose
         /// <summary>
         /// The beatmap which the audio waveform should be displayed for.
         /// </summary>
-        /// <returns></returns>
         public readonly Bindable<WorkingBeatmap> Beatmap = new Bindable<WorkingBeatmap>();
 
         private Shader shader;
@@ -46,7 +45,6 @@ namespace osu.Game.Screens.Edit.Screens.Compose
         /// Controls the amount of interpolation of the waveform into the width of this <see cref="WaveformDisplay"/>.
         /// Points in the waveform are interpolated between 1 / <see cref="Resolution"/> pixels of this <see cref="WaveformDisplay"/>.
         /// </summary>
-        /// <returns></returns>
         public float Resolution
         {
             get { return resolution; }
diff --git a/osu.Game/Tests/Visual/TestCaseWaveform.cs b/osu.Game/Tests/Visual/TestCaseWaveform.cs
index 0430185bf7..eff4f5cdad 100644
--- a/osu.Game/Tests/Visual/TestCaseWaveform.cs
+++ b/osu.Game/Tests/Visual/TestCaseWaveform.cs
@@ -21,7 +21,6 @@ namespace osu.Game.Tests.Visual
 
         public TestCaseWaveform()
         {
-            MusicController mc;
             FillFlowContainer flow;
             Child = flow = new FillFlowContainer
             {
@@ -30,7 +29,7 @@ namespace osu.Game.Tests.Visual
                 Spacing = new Vector2(0, 10),
                 Children = new Drawable[]
                 {
-                    mc = new MusicController
+                    new MusicController
                     {
                         Anchor = Anchor.TopCentre,
                         Origin = Anchor.TopCentre,
@@ -74,7 +73,7 @@ namespace osu.Game.Tests.Visual
                                 {
                                     Anchor = Anchor.Centre,
                                     Origin = Anchor.Centre,
-                                    Text = $"Resolution: {(1f / i).ToString("0.00")}"
+                                    Text = $"Resolution: {(1f / i):0.00}"
                                 }
                             }
                         }