diff --git a/customize.dist/src/less2/include/sidebar-layout.less b/customize.dist/src/less2/include/sidebar-layout.less
index 566deca16..07471183a 100644
--- a/customize.dist/src/less2/include/sidebar-layout.less
+++ b/customize.dist/src/less2/include/sidebar-layout.less
@@ -1,6 +1,5 @@
 @import (reference) "/customize/src/less2/include/colortheme-all.less";
 @import (reference) "/customize/src/less2/include/leftside-menu.less";
-@import (reference) "./browser.less";
 
 @sidebar_button-width: 400px;
 
@@ -110,13 +109,4 @@
     }
 }
 
-@media screen and (max-width: @browser_media-medium-screen) {
-    #cp-sidebarlayout-container {
-        flex-flow: column;
-        #cp-sidebarlayout-leftside {
-            width: 100%;
-        }
-    }
-
-}