diff --git a/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs b/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs
index 33ee1c0184..4dd9cd10db 100644
--- a/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs
+++ b/osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs
@@ -3,7 +3,7 @@
 
 using System;
 using System.Collections.Generic;
-using Microsoft.EntityFrameworkCore.Internal;
+using System.Linq;
 using osu.Game.Beatmaps;
 using osu.Game.Rulesets.Difficulty;
 using osu.Game.Rulesets.Mods;
diff --git a/osu.Game.Rulesets.Catch/UI/CatcherArea.cs b/osu.Game.Rulesets.Catch/UI/CatcherArea.cs
index 8e61e8cabe..3b4a7b13e7 100644
--- a/osu.Game.Rulesets.Catch/UI/CatcherArea.cs
+++ b/osu.Game.Rulesets.Catch/UI/CatcherArea.cs
@@ -3,7 +3,6 @@
 
 using System;
 using System.Linq;
-using JetBrains.Annotations;
 using osu.Framework.Allocation;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;