Addressed PR feedback.

src/Avalonia.Visuals/Media/EllipseGeometry.cs

@@ -88,7 +88,5 @@ namespace Avalonia.Media
 
             return geometry;
         }
-
-        private void RectChanged(AvaloniaPropertyChangedEventArgs e) => InvalidateGeometry();
     }
 }

src/Avalonia.Visuals/Media/Geometry.cs

@@ -89,7 +89,7 @@ namespace Avalonia.Media
         /// <returns><c>true</c> if the geometry contains the point; otherwise, <c>false</c>.</returns>
         public bool FillContains(Point point)
         {
-            return PlatformImpl?.FillContains(point) ?? false;
+            return PlatformImpl?.FillContains(point) == true;
         }
 
         /// <summary>
@@ -100,7 +100,7 @@ namespace Avalonia.Media
         /// <returns><c>true</c> if the geometry contains the point; otherwise, <c>false</c>.</returns>
         public bool StrokeContains(Pen pen, Point point)
         {
-            return PlatformImpl?.StrokeContains(pen, point) ?? false;
+            return PlatformImpl?.StrokeContains(pen, point) == true;
         }
 
         /// <summary>

src/Avalonia.Visuals/Media/PathGeometry.cs

@@ -23,8 +23,8 @@ namespace Avalonia.Media
                                  AvaloniaProperty.Register<PathGeometry, FillRule>(nameof(FillRule));
 
         private PathFigures _figures;
-        private IDisposable _figuresObserver = null;
+        private IDisposable _figuresObserver;
-        private IDisposable _figuresPropertiesObserver = null;
+        private IDisposable _figuresPropertiesObserver;
 
         static PathGeometry()
         {