diff --git a/Content.Client/Administration/UI/Logs/AdminLogsControl.xaml.cs b/Content.Client/Administration/UI/Logs/AdminLogsControl.xaml.cs
index ce6e8ae278..d7412625f6 100644
--- a/Content.Client/Administration/UI/Logs/AdminLogsControl.xaml.cs
+++ b/Content.Client/Administration/UI/Logs/AdminLogsControl.xaml.cs
@@ -75,7 +75,7 @@ public sealed partial class AdminLogsControl : Control
         UpdateResetButton();
     }
 
-    private void RoundSpinBoxChanged(object? sender, ValueChangedEventArgs args)
+    private void RoundSpinBoxChanged(ValueChangedEventArgs args)
     {
         UpdateResetButton();
     }
diff --git a/Content.Client/Administration/UI/Tabs/AdminbusTab/LoadBlueprintsWindow.xaml.cs b/Content.Client/Administration/UI/Tabs/AdminbusTab/LoadBlueprintsWindow.xaml.cs
index 10829a504c..c91eac6620 100644
--- a/Content.Client/Administration/UI/Tabs/AdminbusTab/LoadBlueprintsWindow.xaml.cs
+++ b/Content.Client/Administration/UI/Tabs/AdminbusTab/LoadBlueprintsWindow.xaml.cs
@@ -76,7 +76,7 @@ namespace Content.Client.Administration.UI.Tabs.AdminbusTab
             Reset();
         }
 
-        private void OnRotate(object? sender, ValueChangedEventArgs e)
+        private void OnRotate(ValueChangedEventArgs e)
         {
             var newValue = Wraparound(e.Value);
 
diff --git a/Content.Client/Decals/UI/DecalPlacerWindow.xaml.cs b/Content.Client/Decals/UI/DecalPlacerWindow.xaml.cs
index 78e0725d9f..00bfd7ec65 100644
--- a/Content.Client/Decals/UI/DecalPlacerWindow.xaml.cs
+++ b/Content.Client/Decals/UI/DecalPlacerWindow.xaml.cs
@@ -93,8 +93,11 @@ public sealed partial class DecalPlacerWindow : DefaultWindow
             _cleanable = args.Pressed;
             UpdateDecalPlacementInfo();
         };
-        // i have to make this a member method for some reason and i have no idea why its only for spinboxes
-        ZIndexSpinBox.ValueChanged += ZIndexSpinboxChanged;
+        ZIndexSpinBox.ValueChanged += args =>
+        {
+            _zIndex = args.Value;
+            UpdateDecalPlacementInfo();
+        };
     }
 
     private void OnColorPicked(Color color)
@@ -117,7 +120,8 @@ public sealed partial class DecalPlacerWindow : DefaultWindow
     {
         // Clear
         Grid.RemoveAllChildren();
-        if (_decals == null) return;
+        if (_decals == null)
+            return;
 
         var filter = Search.Text;
         foreach (var (decal, tex) in _decals)
@@ -153,12 +157,6 @@ public sealed partial class DecalPlacerWindow : DefaultWindow
         }
     }
 
-    private void ZIndexSpinboxChanged(object? sender, ValueChangedEventArgs e)
-    {
-        _zIndex = e.Value;
-        UpdateDecalPlacementInfo();
-    }
-
     private void ButtonOnPressed(ButtonEventArgs obj)
     {
         if (obj.Button.Name == null) return;
diff --git a/Content.Client/ParticleAccelerator/UI/ParticleAcceleratorControlMenu.cs b/Content.Client/ParticleAccelerator/UI/ParticleAcceleratorControlMenu.cs
index 4ec64cc372..3fba48a490 100644
--- a/Content.Client/ParticleAccelerator/UI/ParticleAcceleratorControlMenu.cs
+++ b/Content.Client/ParticleAccelerator/UI/ParticleAcceleratorControlMenu.cs
@@ -339,7 +339,7 @@ namespace Content.Client.ParticleAccelerator.UI
             return (n >= 0 && n <= 3 && !_blockSpinBox);
         }
 
-        private void PowerStateChanged(object? sender, ValueChangedEventArgs e)
+        private void PowerStateChanged(ValueChangedEventArgs e)
         {
             ParticleAcceleratorPowerState newState;
             switch (e.Value)