diff --git a/osu.Game/Overlays/Mods/ModCustomisationPanel.cs b/osu.Game/Overlays/Mods/ModCustomisationPanel.cs
index 91d7fdda7378..6cec5a35a8d5 100644
--- a/osu.Game/Overlays/Mods/ModCustomisationPanel.cs
+++ b/osu.Game/Overlays/Mods/ModCustomisationPanel.cs
@@ -215,12 +215,12 @@ public FocusGrabbingContainer(ModCustomisationPanel panel)
                 this.panel = panel;
             }
 
-            private InputManager? inputManager;
+            private InputManager inputManager = null!;
 
             protected override void LoadComplete()
             {
                 base.LoadComplete();
-                inputManager = GetContainingInputManager();
+                inputManager = GetContainingInputManager()!;
             }
 
             protected override void Update()
@@ -229,7 +229,7 @@ protected override void Update()
 
                 if (ExpandedState.Value == ModCustomisationPanelState.ExpandedByHover)
                 {
-                    if (!ReceivePositionalInputAt(inputManager!.CurrentState.Mouse.Position) && inputManager.DraggedDrawable == null)
+                    if (!ReceivePositionalInputAt(inputManager.CurrentState.Mouse.Position) && inputManager.DraggedDrawable == null)
                         ExpandedState.Value = ModCustomisationPanelState.Collapsed;
                 }
             }