diff --git a/osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs b/osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs
index d7d294df47..f6e5481feb 100644
--- a/osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs
+++ b/osu.Game.Rulesets.Osu/Difficulty/OsuPerformanceCalculator.cs
@@ -99,8 +99,6 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             if (effectiveMissCount > 0)
                 aimValue *= 0.97 * Math.Pow(1 - Math.Pow((double)effectiveMissCount / totalHits, 0.775), effectiveMissCount);
 
-            aimValue *= getComboScalingFactor();
-
             double approachRateFactor = 0.0;
             if (Attributes.ApproachRate > 10.33)
                 approachRateFactor = 0.3 * (Attributes.ApproachRate - 10.33);
@@ -146,8 +144,6 @@ namespace osu.Game.Rulesets.Osu.Difficulty
             if (effectiveMissCount > 0)
                 speedValue *= 0.97 * Math.Pow(1 - Math.Pow((double)effectiveMissCount / totalHits, 0.775), Math.Pow(effectiveMissCount, .875));
 
-            speedValue *= getComboScalingFactor();
-
             double approachRateFactor = 0.0;
             if (Attributes.ApproachRate > 10.33)
                 approachRateFactor = 0.3 * (Attributes.ApproachRate - 10.33);
diff --git a/osu.Game.Rulesets.Osu/osu.Game.Rulesets.Osu.csproj b/osu.Game.Rulesets.Osu/osu.Game.Rulesets.Osu.csproj
index 018bdb93df..98f1e69bd1 100644
--- a/osu.Game.Rulesets.Osu/osu.Game.Rulesets.Osu.csproj
+++ b/osu.Game.Rulesets.Osu/osu.Game.Rulesets.Osu.csproj
@@ -15,8 +15,4 @@
   <ItemGroup Label="Project References">
     <ProjectReference Include="..\osu.Game\osu.Game.csproj" />
   </ItemGroup>
-
-  <ItemGroup>
-    <PackageReference Include="MathNet.Numerics" Version="4.7.0" />
-  </ItemGroup>
 </Project>
\ No newline at end of file