diff --git a/src/Perspex.Controls/Platform/IPopupImpl.cs b/src/Perspex.Controls/Platform/IPopupImpl.cs
index fc7aeb6e2a..495b16409c 100644
--- a/src/Perspex.Controls/Platform/IPopupImpl.cs
+++ b/src/Perspex.Controls/Platform/IPopupImpl.cs
@@ -14,11 +14,6 @@ namespace Perspex.Platform
         /// <param name="p">The position, in screen coordinates.</param>
         void SetPosition(Point p);
 
-        /// <summary>
-        /// Shows the popup.
-        /// </summary>
-        void Show();
-
         /// <summary>
         /// Hides the popup.
         /// </summary>
diff --git a/src/Perspex.Controls/Platform/ITopLevelImpl.cs b/src/Perspex.Controls/Platform/ITopLevelImpl.cs
index 5b0d738e29..f826ec5990 100644
--- a/src/Perspex.Controls/Platform/ITopLevelImpl.cs
+++ b/src/Perspex.Controls/Platform/ITopLevelImpl.cs
@@ -83,5 +83,10 @@ namespace Perspex.Platform
         /// </summary>
         /// <param name="cursor">The cursor. Use null for default cursor</param>
         void SetCursor(IPlatformHandle cursor);
+
+        /// <summary>
+        /// Shows the toplevel.
+        /// </summary>
+        void Show();
     }
 }
diff --git a/src/Perspex.Controls/Platform/IWindowImpl.cs b/src/Perspex.Controls/Platform/IWindowImpl.cs
index 58ef5281b0..f8bd6588cd 100644
--- a/src/Perspex.Controls/Platform/IWindowImpl.cs
+++ b/src/Perspex.Controls/Platform/IWindowImpl.cs
@@ -21,11 +21,6 @@ namespace Perspex.Platform
         /// <param name="title">The title.</param>
         void SetTitle(string title);
 
-        /// <summary>
-        /// Shows the window.
-        /// </summary>
-        void Show();
-
         /// <summary>
         /// Shows the window as a dialog.
         /// </summary>