diff --git a/src/Avalonia.Controls/Platform/IWindowImpl.cs b/src/Avalonia.Controls/Platform/IWindowImpl.cs
index fd2feb539f..609e9834cb 100644
--- a/src/Avalonia.Controls/Platform/IWindowImpl.cs
+++ b/src/Avalonia.Controls/Platform/IWindowImpl.cs
@@ -35,11 +35,6 @@ namespace Avalonia.Platform
         /// </summary>
         void SetSystemDecorations(bool enabled);
 
-        /// <summary>
-        /// When system decorations are disabled sets if the maximized state covers the entire screen or just the working area.
-        /// </summary>        
-        void SetCoverTaskbarWhenMaximized(bool enable);
-
         /// <summary>
         /// Sets the icon of this window.
         /// </summary>