diff --git a/dist/core.js b/dist/core.js
index 3287c4acec..41fda0c121 100644
--- a/dist/core.js
+++ b/dist/core.js
@@ -20832,7 +20832,6 @@ BI.LayerController = BI.inherit(BI.Controller, {
             return this;
         }
         this._getLayout(name).visible();
-        this._getLayout(name)._mount();
         this._getLayout(name).element.css("z-index", this.zindex++).show(0, callback).trigger("__resize__");
         return this;
     },
diff --git a/src/core/controller/controller.layer.js b/src/core/controller/controller.layer.js
index c1625653c6..ae798aca93 100644
--- a/src/core/controller/controller.layer.js
+++ b/src/core/controller/controller.layer.js
@@ -127,7 +127,6 @@ BI.LayerController = BI.inherit(BI.Controller, {
             return this;
         }
         this._getLayout(name).visible();
-        this._getLayout(name)._mount();
         this._getLayout(name).element.css("z-index", this.zindex++).show(0, callback).trigger("__resize__");
         return this;
     },