diff --git a/source/class/qxl/dialog/Dialog.js b/source/class/qxl/dialog/Dialog.js
index d3c38774..eb30ba1c 100644
--- a/source/class/qxl/dialog/Dialog.js
+++ b/source/class/qxl/dialog/Dialog.js
@@ -259,17 +259,6 @@ qx.Class.define("qxl.dialog.Dialog", {
   },
 
   properties: {
-    /**
-     * Whether the dialog is shown. If true, call the show() method. If false,
-     * call the hide() method.
-     */
-    show: {
-      check: "Boolean",
-      nullable: true,
-      event: "changeShow",
-      apply: "_applyShow",
-    },
-
     /**
      * Whether to block the ui while the widget is displayed
      */