diff --git a/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSlider.cs b/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSlider.cs
index 395e496b61..c6c009e8f2 100644
--- a/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSlider.cs
+++ b/osu.Game.Rulesets.Osu/Objects/Drawables/DrawableSlider.cs
@@ -125,7 +125,7 @@ namespace osu.Game.Rulesets.Osu.Objects.Drawables
         {
             if (!userTriggered && Time.Current >= slider.EndTime)
             {
-                var ticksCount = ticks.Children.Count() + 1;
+                var ticksCount = ticks.Children.Count + 1;
                 var ticksHit = ticks.Children.Count(t => t.Judgement.Result == HitResult.Hit);
                 if (initialCircle.Judgement.Result == HitResult.Hit)
                     ticksHit++;
diff --git a/osu.Game/Graphics/UserInterface/BarGraph.cs b/osu.Game/Graphics/UserInterface/BarGraph.cs
index d0965a1861..e4a471bbba 100644
--- a/osu.Game/Graphics/UserInterface/BarGraph.cs
+++ b/osu.Game/Graphics/UserInterface/BarGraph.cs
@@ -29,7 +29,7 @@ namespace osu.Game.Graphics.UserInterface
                 base.Direction = (direction & BarDirection.Horizontal) > 0 ? FillDirection.Vertical : FillDirection.Horizontal;
                 foreach (var bar in Children)
                 {
-                    bar.Size = (direction & BarDirection.Horizontal) > 0 ? new Vector2(1, 1.0f / Children.Count()) : new Vector2(1.0f / Children.Count(), 1);
+                    bar.Size = (direction & BarDirection.Horizontal) > 0 ? new Vector2(1, 1.0f / Children.Count) : new Vector2(1.0f / Children.Count, 1);
                     bar.Direction = direction;
                 }
             }
diff --git a/osu.Game/Overlays/OnScreenDisplay.cs b/osu.Game/Overlays/OnScreenDisplay.cs
index 2887d4355b..4a616a8685 100644
--- a/osu.Game/Overlays/OnScreenDisplay.cs
+++ b/osu.Game/Overlays/OnScreenDisplay.cs
@@ -3,7 +3,6 @@
 
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Configuration;
 using osu.Framework.Extensions;
@@ -182,7 +181,7 @@ namespace osu.Game.Overlays
                 textLine2.Origin = optionCount > 0 ? Anchor.BottomCentre : Anchor.Centre;
                 textLine2.Y = optionCount > 0 ? 0 : 5;
 
-                if (optionLights.Children.Count() != optionCount)
+                if (optionLights.Children.Count != optionCount)
                 {
                     optionLights.Clear();
                     for (int i = 0; i < optionCount; i++)
@@ -190,7 +189,7 @@ namespace osu.Game.Overlays
                 }
 
                 for (int i = 0; i < optionCount; i++)
-                    optionLights.Children.Skip(i).First().Glowing = i == selectedOption;
+                    optionLights.Children[i].Glowing = i == selectedOption;
             });
         }
 
diff --git a/osu.Game/Screens/Tournament/Components/VisualiserContainer.cs b/osu.Game/Screens/Tournament/Components/VisualiserContainer.cs
index 373934f775..3dd7207607 100644
--- a/osu.Game/Screens/Tournament/Components/VisualiserContainer.cs
+++ b/osu.Game/Screens/Tournament/Components/VisualiserContainer.cs
@@ -84,7 +84,7 @@ namespace osu.Game.Screens.Tournament.Components
             {
                 base.UpdateAfterChildren();
 
-                while (Children.Count() < 3)
+                while (Children.Count < 3)
                     addLine();
 
                 float pos = leftPos;