diff --git a/_shared_assets/themes/owncloud_com/static/less/responsive-utilities.less b/_shared_assets/themes/owncloud_com/static/less/responsive-utilities.less
deleted file mode 100755
index 2c3f6c15f..000000000
--- a/_shared_assets/themes/owncloud_com/static/less/responsive-utilities.less
+++ /dev/null
@@ -1,43 +0,0 @@
-//
-// Responsive: Utility classes
-// --------------------------------------------------
-
-
-// Hide from screenreaders and browsers
-// Credit: HTML5 Boilerplate
-.hidden {
-  display: none;
-  visibility: hidden;
-}
-
-// Visibility utilities
-
-// For desktops
-.visible-phone     { display: none !important; }
-.visible-tablet    { display: none !important; }
-.hidden-phone      { }
-.hidden-tablet     { }
-.hidden-desktop    { display: none !important; }
-.visible-desktop   { display: inherit !important; }
-
-// Tablets & small desktops only
-@media (min-width: 768px) and (max-width: 979px) {
-  // Hide everything else
-  .hidden-desktop    { display: inherit !important; }
-  .visible-desktop   { display: none !important ; }
-  // Show
-  .visible-tablet    { display: inherit !important; }
-  // Hide
-  .hidden-tablet     { display: none !important; }
-}
-
-// Phones only
-@media (max-width: 767px) {
-  // Hide everything else
-  .hidden-desktop    { display: inherit !important; }
-  .visible-desktop   { display: none !important; }
-  // Show
-  .visible-phone     { display: inherit !important; } // Use inherit to restore previous behavior
-  // Hide
-  .hidden-phone      { display: none !important; }
-}