diff --git a/UI/WebServerResources/scss/PreferencesUI.scss b/UI/WebServerResources/scss/PreferencesUI.scss
deleted file mode 100644
index 7a2a790a5..000000000
--- a/UI/WebServerResources/scss/PreferencesUI.scss
+++ /dev/null
@@ -1,182 +0,0 @@
-@import "settings";
-
-//$primary-color: #75B4BF;
-//$topbar-link-bg-active: #75B4BF;
-//$topbar-bg-color: $primary-color;
-$module-color: #75B4BF;
-$module-color: #C6C543;
-$module-color: #6F5A73;
-$module-secondary-color: #8EC588; // light green
-$module-secondary-color: #3D792A; // green
-$module-secondary-color: #B996BF;
-$module-secondary-color: #B59BB9; // SOGo green
-$module-light-color: #F7ECFF;
-$topbar-bg-color: $module-color;
-$topbar-link-bg-active-hover: scale-color($module-secondary-color, $lightness: -14%);
-$topbar-link-bg-active: $module-secondary-color;
-$topbar-link-bg-hover: scale-color($module-color, $lightness: -14%);
-//$topbar-link-font-size: rem-calc(12);
-
-//$off-canvas-link-text-size: rem-calc(12);
-
-//$table-head-font-size: rem-calc(12);
-//$table-row-font-size: rem-calc(12);
-
-@import "foundation";
-//@import "foundation/components/grid";
-//@import "foundation/components/dropdown", "foundation/components/offcanvas", "foundation/components/top-bar";
-//@import "toolbars";
-
-@mixin off-canvas-list {
-    list-style-type: none;
-    padding:0;
-    margin:0;
-    display: table;
-    width: 100%;
-
-    li {
-        /*
-           +-----------------------------------------------+
-           + li                                            |
-           |+------+-----------------------------+--------+|
-           || i    | form                        | span   ||
-           |+------+-----------------------------+--------+|
-           +-----------------------------------------------+
-       */
-        display: table-row;
-        transition: background 300ms ease;
-        width: 100%;
-        label {
-            display: block;
-            padding: $off-canvas-label-padding;
-            color: $off-canvas-label-color;
-            text-transform: $off-canvas-label-text-transform;
-            font-size: $off-canvas-label-font-size;
-            font-weight: $off-canvas-label-font-weight;
-            background: $off-canvas-label-bg;
-            border-top: $off-canvas-label-border-top;
-            border-bottom: $off-canvas-label-border-bottom;
-            margin: $off-canvas-label-margin;
-        }
-        >* {
-            display: table-cell;
-            padding: $off-canvas-link-padding;
-            color: $off-canvas-link-color;
-            border-bottom: $off-canvas-link-border-bottom;
-            //vertical-align: middle;
-        }
-        .icon {
-            //vertical-align: middle; // causes glitch when selecting row
-            width: 2em;
-        }
-        form {
-            margin: 0;
-            padding-left: 0;
-            padding-right: 0;
-            * {
-                color: $off-canvas-link-color;
-                display: block;
-                width: 100%;
-                padding: 0;
-                //padding-left: $off-canvas-link-padding;
-            }
-            input {
-                border: 0;
-                color: #333 !important;
-                font-size: 1rem;
-                height: $off-canvas-link-padding/2+1rem;
-                margin: 0;
-            }
-        }
-        &:hover {
-            background: scale-color($tabbar-bg, $lightness: -30%);
-        }
-        &._selected {
-            background-color: #242424 !important;
-            border: 0 !important;
-            * {
-                color: #eee;
-            }
-        }
-    }
-}
-
-$total-columns: 13;
-$column-gutter: 0;
-
-#pageContent {
-    #mainMenu {
-        position: absolute;
-        overflow: auto;
-        overflow-x: hidden;
-        top: $topbar-height;
-        bottom: 0;
-        background-color: #333;
-        @include grid-column($columns:13); //, $collapse:true);
-        @media #{$medium-up} {
-            @include grid-column($columns:3);
-        }
-        ul {
-            margin: 0;
-            list-style-type: none;
-            li {
-                color: rgba(255, 255, 255, 0.7);
-                line-height: 50px;
-                padding-left: 10px;
-
-                &:hover, &:active {
-                    background-color: #242424 !important;
-                    color: white;
-                }
-                &._selected {
-                    background-color: $module-color;
-                    background-color: #fff;
-                }
-                i {
-                    margin-right: 10px;
-                }
-            }
-        }
-    }
-
-    #container {
-        position: absolute;
-        top: $topbar-height;
-        background-color: #eeeeee;
-        bottom: 0;
-        left: 23%;
-        overflow: auto;
-        overflow-x: hidden;
-        border-left: $topbar-divider-border-bottom;
-        @include grid-column($columns:13);
-        @media #{$medium-up} {
-            @include grid-column($columns:10);
-        }
-        #viewer {
-            padding: 10px;
-            height: 100%;
-            #generalOptionsView, #calendarOptionsView, #addressbookOptionsView, #mailOptionsView {
-                height: inherit;
-            }
-            table {
-                width: 100%;
-                height: inherit;
-                margin: 0;
-                .td_1 {
-                    text-align: right;
-                    font-weight: bold;
-                    width: 20%;
-                }
-                select, input {
-                    margin: 0;
-                }
-
-            }
-            .submitButton {
-                margin: 0;
-                float: right;
-                border-radius: 3px;
-            }
-        }
-    }
-}