diff --git a/user.js b/user.js
index 1d083cf..2023585 100644
--- a/user.js
+++ b/user.js
@@ -57,7 +57,6 @@ user_pref("datareporting.policy.currentPolicyAcceptedVersion", 0);
 user_pref("datareporting.policy.dataSubmissionPolicyAcceptedVersion", 0);
 user_pref("datareporting.policy.dataSubmissionPolicyBypassNotification", false);
 user_pref("datareporting.policy.dataSubmissionPolicyNotifiedTime", "");
-user_pref("datareporting.policy.FirstRunURL", "");
 user_pref("datareporting.policy.firstRunURL", "");
 user_pref("datareporting.policy.minimumPolicyVersion", 0);
 user_pref("datareporting.policy.minimumPolicyVersion.channel-beta", 0);
@@ -204,12 +203,6 @@ user_pref("network.IDN_show_punycode", true);
 // Look in profile/thumbnails directory, you may want to clean that out
 user_pref("browser.pagethumbnails.capturing_disabled", true); // [HIDDEN PREF]
 // -------------------------------------
-// Pref : Disable prefetching of <link rel="next"> URLs
-// http://kb.mozillazine.org/Network.prefetch-next
-// https://developer.mozilla.org/en-US/docs/Web/HTTP/Link_prefetching_FAQ#Is_there_a_preference_to_disable_link_prefetching.3F
-// Link prefetching is when a webpage hints to the browser that certain pages are likely to be visited, so the browser downloads them immediately so they can be displayed immediately when the user requests it.
-user_pref("network.prefetch-next", false);
-// -------------------------------------
 // Pref : Disable speculative pre-connections
 // https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_speculative-pre-connections
 // https://bugzilla.mozilla.org/show_bug.cgi?id=814169
@@ -580,10 +573,6 @@ user_pref("network.stricttransportsecurity.preloadlist", true);
 // https://github.com/pyllyukko/user.js/pull/206#issuecomment-280229645
 user_pref("security.tls.version.fallback-limit", 3);
 // -------------------------------------
-// Pref : Only allow TLS 1.[0-3]
-// http://kb.mozillazine.org/Security.tls.version.*
-user_pref("security.tls.version.min", 2);
-// -------------------------------------
 // Pref : Enable CSP 1.1 script-nonce directive support
 // https://bugzilla.mozilla.org/show_bug.cgi?id=855326
 user_pref("security.csp.experimentalEnabled", true);
@@ -610,12 +599,6 @@ user_pref("network.prefetch-next", false);
 user_pref("network.dns.disablePrefetch", true);
 user_pref("network.dns.disablePrefetchFromHTTPS", true); // [HIDDEN PREF]
 // -------------------------------------
-// Pref : Disable speculative pre-connections
-// Disable prefetch link on hover.
-// https://support.mozilla.org/en-US/kb/how-stop-firefox-making-automatic-connections#w_speculative-pre-connections
-// https://bugzilla.mozilla.org/show_bug.cgi?id=814169
-user_pref("network.http.speculative-parallel-limit", 0);
-// -------------------------------------
 // Pref : Disable pinging URIs specified in HTML <a> ping= attributes
 // http://kb.mozillazine.org/Browser.send_pings
 user_pref("browser.send_pings", false);
@@ -849,9 +832,6 @@ user_pref("network.gio.supported-protocols", ""); // [HIDDEN PREF]
 // >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
 // Section : User Settings
 // >>>>>>>>>>>>>>>>>>>>
-// Pref : Disable DNT (Do Not Track)
-user_pref("privacy.donottrackheader.enabled", false);
-// -------------------------------------
 // Pref : Set long press behaviour on "+ Tab" button to display container menu
 // 0=disables long press, 1=when clicked, the menu is shown
 // 2=the menu is shown after X milliseconds
@@ -869,13 +849,6 @@ user_pref("privacy.userContext.enabled", true);
 // Pref : Enable a private container for thumbnail loads
 user_pref("privacy.usercontext.about_newtab_segregation.enabled", true); // [DEFAULT: true]
 // -------------------------------------
-// Pref : Set long press behaviour on "+ Tab" button to display container menu
-// 0=disables long press, 1=when clicked, the menu is shown
-// 2=the menu is shown after X milliseconds
-// [NOTE] The menu does not contain a non-container tab option
-// https://bugzilla.mozilla.org/1328756 
-user_pref("privacy.userContext.longPressBehavior", 2);
-// -------------------------------------
 // Pref : Changing block list (Tracking protection)
 // Default value "test-track-simple,base-track-digest256"
 user_pref("urlclassifier.trackingTable", "");
@@ -1080,10 +1053,6 @@ user_pref("browser.display.use_document_fonts", 0);
 user_pref("gfx.downloadable_fonts.enabled", false);
 user_pref("gfx.downloadable_fonts.fallback_delay", -1);
 // -------------------------------------
-// Pref : Disable rendering of SVG OpenType fonts
-// https://wiki.mozilla.org/SVGOpenTypeFonts - iSECPartnersReport recommends to disable this
-user_pref("gfx.font_rendering.opentype_svg.enabled", false);
-// -------------------------------------
 // Pref : Disable WOFF2 (Web Open Font Format)
 user_pref("gfx.downloadable_fonts.woff2.enabled", false);
 // -------------------------------------
@@ -1195,7 +1164,6 @@ user_pref("browser.safebrowsing.provider.google4.reportURL", "");
 user_pref("browser.safebrowsing.provider.google4.updateURL", "");
 user_pref("browser.safebrowsing.provider.google4.dataSharing.enabled", false);
 user_pref("browser.safebrowsing.provider.google4.dataSharingURL", "");
-user_pref("browser.safebrowsing.provider.google4.gethashURL", "");
 user_pref("browser.safebrowsing.provider.google4.pver", "");
 user_pref("browser.safebrowsing.provider.mozilla.gethashURL", "");
 user_pref("browser.safebrowsing.provider.mozilla.lists", "");
@@ -1206,10 +1174,6 @@ user_pref("browser.safebrowsing.provider.mozilla.pver", "");
 user_pref("browser.safebrowsing.provider.mozilla.updateURL", "");
 user_pref("browser.safebrowsing.reportPhishURL", "");
 // -------------------------------------
-// Pref : Disable Mozilla's tracking protection and Flash blocklist updates
-user_pref("browser.safebrowsing.provider.mozilla.lists.base", "");
-user_pref("browser.safebrowsing.provider.mozilla.lists.content", "");
-// -------------------------------------
 // Pref : Disable passive Tracking Protection
 // Passive TP annotates channels to lower the priority of network loads for resources on the tracking protection list.
 // [NOTE] It has no effect if TP is enabled, but keep in mind that by default TP is only enabled in Private Windows
@@ -1278,11 +1242,6 @@ user_pref("browser.cache.offline.insecure.enable", false);
 // http://kb.mozillazine.org/Browser.offline-apps.notify
 user_pref("browser.offline-apps.notify", true); // [DEFAULT: true]
 // -------------------------------------
-// Pref : Enforce websites to ask to store data for offline use
-// https://support.mozilla.org/questions/1098540
-// https://bugzilla.mozilla.org/959985
-// user_pref("offline-apps.allow_by_default", false);
-// -------------------------------------
 // Pref : Disable service workers cache and cache storage
 // https://w3c.github.io/ServiceWorker/#privacy
 user_pref("dom.caches.enabled", false);
@@ -1437,11 +1396,6 @@ user_pref("webgl.enable-debug-renderer-info", false); // [DEFAULT: true]
 // https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent
 user_pref("dom.w3c_pointer_events.enabled", false); // [DEFAULT: false]
 // -------------------------------------
-// Pref : Disable WebGL debug info being available to websites
-// https://bugzilla.mozilla.org/1171228
-// https://developer.mozilla.org/docs/Web/API/WEBGL_debug_renderer_info
-user_pref("webgl.enable-debug-renderer-info", false); // [DEFAULT: true]
-// -------------------------------------
 // Pref : Disable Battery Status API
 // Initially a Linux issue (high precision readout) that was fixed.
 // However, it is still another metric for fingerprinting, used to raise entropy.