diff --git a/src/userContent/addons.css b/src/userContent/addons.css
deleted file mode 100644
index faabfdc..0000000
--- a/src/userContent/addons.css
+++ /dev/null
@@ -1,8 +0,0 @@
-/* Copyright 2022 Anri Dellal
- * SPDX-License-Identifier: MPL-2.0 */
-
-@-moz-document url("about:addons"), url-prefix("about:addons") {
-    :root {
-        --section-width: min(664px, 100%) !important;
-    }
-}
diff --git a/src/userContent/config.css b/src/userContent/config.css
deleted file mode 100644
index 5e767cd..0000000
--- a/src/userContent/config.css
+++ /dev/null
@@ -1,37 +0,0 @@
-/* Copyright 2022 Anri Dellal
- * SPDX-License-Identifier: MPL-2.0 */
-
-@-moz-document url("about:config") {
-    #search-container,
-    #toolbar, #prefs {
-        min-width: 300px !important;
-    }
-
-    @media (max-width: 644px) {
-        #toolbar {
-            flex-direction: column;
-        }
-
-        #about-config-search {
-            max-width: 100%;
-        }
-
-        #prefs {
-            word-wrap: anywhere;
-        }
-
-        .checkbox-container {
-            margin-top: 5px;
-        }
-    }
-
-    @media (max-width: 500px) {
-        tr {
-            font-size: 12px;
-        }
-
-        th {
-            padding-left: 8px !important;
-        }
-    }
-}
diff --git a/src/userContent/home.css b/src/userContent/home.css
deleted file mode 100644
index 697e7bd..0000000
--- a/src/userContent/home.css
+++ /dev/null
@@ -1,18 +0,0 @@
-/* Copyright 2022 Oliver Smith
- * SPDX-License-Identifier: MPL-2.0 */
-
-@namespace url("http://www.w3.org/1999/xhtml");
-
-@-moz-document url("about:home"), url("about:blank"), url("about:newtab") {
-    @media (max-width: 700px) {
-
-        .outer-wrapper.only-search {
-            padding-top: 50px !important;
-        }
-
-        .customize-menu {
-            width: 100% !important;
-        }
-
-    }
-}
diff --git a/src/userContent/license.css b/src/userContent/license.css
deleted file mode 100644
index f7db008..0000000
--- a/src/userContent/license.css
+++ /dev/null
@@ -1,11 +0,0 @@
-/* Copyright 2022 Anri Dellal
- * SPDX-License-Identifier: MPL-2.0 */
-
-@-moz-document url("about:license") {
-    @media (max-width: 500px) {
-        .license-header {
-            background-image: none !important;
-            padding-inline-end: unset !important;
-        }
-    }
-}
diff --git a/src/userContent/logins.css b/src/userContent/logins.css
deleted file mode 100644
index 7e5fb24..0000000
--- a/src/userContent/logins.css
+++ /dev/null
@@ -1,24 +0,0 @@
-/* Copyright 2022 Anri Dellal
- * SPDX-License-Identifier: MPL-2.0 */
-
-@-moz-document url("about:logins") {
-    .container {
-        min-width: 300px !important;
-    }
-
-    @media (max-width: 700px) {
-        body {
-            --sidebar-width: 200px !important;
-            grid-template-columns: var(--sidebar-width) 1fr !important;
-        }
-
-        .edit-button, .delete-button {
-            font-size: 0 !important;
-            background-position: center;
-        }
-
-        #branding-logo {
-            display: none;
-        }
-    }
-}
diff --git a/src/userContent/policies.css b/src/userContent/policies.css
deleted file mode 100644
index 24c92fd..0000000
--- a/src/userContent/policies.css
+++ /dev/null
@@ -1,11 +0,0 @@
-/* Copyright 2022 Anri Dellal
- * SPDX-License-Identifier: MPL-2.0 */
-
-@-moz-document url("about:policies"), url-prefix("about:policies") {
-    @media (max-width: 830px) {
-        tbody.collapsible td,
-        .active-policies td {
-            word-wrap: anywhere;
-        }
-    }
-}
diff --git a/src/userContent/preferences.css b/src/userContent/preferences.css
deleted file mode 100644
index aeffa99..0000000
--- a/src/userContent/preferences.css
+++ /dev/null
@@ -1,23 +0,0 @@
-/* Copyright 2022 Anri Dellal
- * SPDX-License-Identifier: MPL-2.0 */
-
-@-moz-document regexp("about:preferences.*") {
-    .sticky-container {
-        display: flex;
-    }
-
-    #policies-container {
-        display: none;
-    }
-
-    /* #sync page */
-    .fxaMobilePromo {
-        display: none;
-    }
-
-    @media (max-width: 700px) {
-        .fxaSyncIllustration {
-            display: none;
-        }
-    }
-}
diff --git a/src/userContent/protections.css b/src/userContent/protections.css
deleted file mode 100644
index bb7e872..0000000
--- a/src/userContent/protections.css
+++ /dev/null
@@ -1,49 +0,0 @@
-/* Copyright 2022 Anri Dellal
- * SPDX-License-Identifier: MPL-2.0 */
-
-@-moz-document url("about:protections") {
-    #report-content {
-        width: calc(100% - 16px) !important;
-        max-width: 800px !important;
-    }
-
-    /* hide element with Firefox for Android and iOS ad */
-    .lockwise-card .card-body,
-    #mobile-hanger {
-        display: none !important;
-    }
-
-    @media (max-width: 800px) {
-        #report-content {
-            margin: 16px 8px !important;
-        }
-
-        .icon {
-            width: 32px !important;
-            height: 32px !important;
-        }
-
-        .body-wrapper {
-            /* make trackers report to fill the entire card width */
-            grid-column-start: 1 !important;
-            grid-column-end: -1 !important;
-        }
-
-        #manage-protections,
-        #sign-up-for-monitor-link,
-        #save-passwords-button,
-        #get-proxy-extension-link {
-            /* move button on a separate row */
-            grid-area: 2 / 1 / 2 / 6 !important;
-        }
-
-        .card-header .wrapper {
-            grid-row-gap: 8px !important;
-        }
-
-        .card:not(.has-logins) .wrapper div:nth-child(1) {
-            /* make card title to use more width */
-            grid-column-end: -1 !important;
-        }
-    }
-}
diff --git a/src/userContent/reader.css b/src/userContent/reader.css
deleted file mode 100644
index 916254d..0000000
--- a/src/userContent/reader.css
+++ /dev/null
@@ -1,55 +0,0 @@
-/* Copyright 2022 Tim Magee
- * SPDX-License-Identifier: MPL-2.0 */
-
-@-moz-document url-prefix("about:reader") {
-    @media (max-width: 800px) {
-        .toolbar-container {
-            margin-inline-start: 0px !important;
-            position: fixed !important;
-            top: 0px !important;
-            height: 74px !important;
-            width: 100% !important;
-            left: 0px !important;
-            background-color: rgba(255,255,255,1);
-        }
-
-        .dark .toolbar-container {
-            background-color: rgba(3,3,3,1);
-        }
-
-        .sepia .toolbar-container {
-            background-color: rgba(244,236,216,1);
-        }
-
-        .toolbar {
-            margin-inline-start: unset !important;
-            width: unset !important;
-        }
-
-        .dropdown li {
-            display: inline !important;
-        }
-
-        .dropdown {
-            display: inline;
-        }
-
-        body {
-            padding: 74px 0px !important;
-            margin: 15px 15px 0px !important;
-            --content-width: unset !important;
-        }
-
-        .header > h1 {
-            margin: 10px 0 !important;
-        }
-
-        .header > .meta-data {
-            margin: 0 0 5px !important;
-        }
-
-        .header > .credits {
-            margin: 0 0 5px !important;
-        }
-    }
-}
diff --git a/src/userContent/rights.css b/src/userContent/rights.css
deleted file mode 100644
index 5bfd91a..0000000
--- a/src/userContent/rights.css
+++ /dev/null
@@ -1,11 +0,0 @@
-/* Copyright 2022 Anri Dellal
- * SPDX-License-Identifier: MPL-2.0 */
-
-@-moz-document url("about:rights") {
-    @media (max-width: 500px) {
-        .rights-header {
-            background-image: none !important;
-            padding-inline-end: unset !important;
-        }
-    }
-}
diff --git a/src/userContent/sidebar.css b/src/userContent/sidebar.css
deleted file mode 100644
index 80c5d62..0000000
--- a/src/userContent/sidebar.css
+++ /dev/null
@@ -1,42 +0,0 @@
-/* Copyright 2022 plata, Anri Dellal
- * SPDX-License-Identifier: MPL-2.0 */
-
-@-moz-document regexp("about:(preferences|addons|policies).*") {
-    .category-icon {
-        user-select: none !important;
-    }
-
-    @media (max-width: 700px) {
-        /* avoid that sidebar is too wide */
-        :root {
-            --in-content-sidebar-width: 50px !important;
-            --sidebar-width: 50px !important;
-        }
-
-        /* reduce space around category icons */
-        #categories > .category {
-            margin-inline-start: auto !important;
-            padding-inline: auto !important;
-        }
-
-        .category-name {
-            display: none !important;
-        }
-
-        /* reduce space around footer icons (addons, help) */
-        .sidebar-footer-list {
-            margin-inline: auto !important;
-            padding-inline: auto !important;
-        }
-
-        .sidebar-footer-label {
-            display: none !important;
-        }
-    }
-
-    @media (max-height: 400px) {
-        #categories {
-            margin-top: 8px !important;
-        }
-    }
-}