diff --git a/.editorconfig b/.editorconfig
index d0c36b837f..6d8ff330a5 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -129,6 +129,9 @@ dotnet_style_require_accessibility_modifiers = omit_if_default:warning
 # Simplify name.
 dotnet_diagnostic.IDE0001.severity = warning
 
+# Simplify member access.
+dotnet_diagnostic.IDE0002.severity = warning
+
 # use 'var' instead of explicit type
 dotnet_diagnostic.IDE0007.severity = warning
 
diff --git a/OpenRA.Game/Graphics/Util.cs b/OpenRA.Game/Graphics/Util.cs
index c0ee47ead6..c4dbd0941d 100644
--- a/OpenRA.Game/Graphics/Util.cs
+++ b/OpenRA.Game/Graphics/Util.cs
@@ -266,7 +266,7 @@ namespace OpenRA.Graphics
 			if (rotation == 0f)
 				return new Rectangle((int)offset.X, (int)offset.Y, (int)size.X, (int)size.Y);
 
-			var rotatedQuad = Util.RotateQuad(offset, size, rotation);
+			var rotatedQuad = RotateQuad(offset, size, rotation);
 			var minX = rotatedQuad[0].X;
 			var maxX = rotatedQuad[0].X;
 			var minY = rotatedQuad[0].Y;
diff --git a/OpenRA.Mods.Common/Activities/Air/Fly.cs b/OpenRA.Mods.Common/Activities/Air/Fly.cs
index a6db206372..5cf71511e7 100644
--- a/OpenRA.Mods.Common/Activities/Air/Fly.cs
+++ b/OpenRA.Mods.Common/Activities/Air/Fly.cs
@@ -225,7 +225,7 @@ namespace OpenRA.Mods.Common.Activities
 					// Move to CruiseAltitude, if not already there
 					if (dat != aircraft.Info.CruiseAltitude)
 					{
-						Fly.VerticalTakeOffOrLandTick(self, aircraft, aircraft.Facing, aircraft.Info.CruiseAltitude);
+						VerticalTakeOffOrLandTick(self, aircraft, aircraft.Facing, aircraft.Info.CruiseAltitude);
 						return false;
 					}
 				}