diff --git a/src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Input/InputElement.cs b/src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Input/InputElement.cs
index 96bd8eed761..80b780a9016 100644
--- a/src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Input/InputElement.cs
+++ b/src/Microsoft.DotNet.Wpf/src/PresentationCore/System/Windows/Input/InputElement.cs
@@ -28,24 +28,6 @@ internal static bool IsValid(DependencyObject o)
             return o is UIElement or ContentElement or UIElement3D; 
 }
 
-        // Returns whether the given DynamicObject is a UIElement or not.
-        internal static bool IsUIElement(DependencyObject o)
-        {
-            return UIElementType.IsInstanceOfType(o);     
-        }
-
-        // Returns whether the given DynamicObject is a UIElement3D or not.
-        internal static bool IsUIElement3D(DependencyObject o)
-        {
-            return UIElement3DType.IsInstanceOfType(o);                       
-        }
-
-        // Returns whether the given DynamicObject is a ContentElement or not.
-        internal static bool IsContentElement(DependencyObject o)
-        {
-            return ContentElementType.IsInstanceOfType(o);
-        }
-
         // Returns the containing input element of the given DynamicObject.
         // If onlyTraverse2D is set to true, then we stop once we see a 3D object and return null
         internal static DependencyObject GetContainingUIElement(DependencyObject o, bool onlyTraverse2D)