diff --git a/librewolf.cfg b/librewolf.cfg
index 26b2945..16b222d 100644
--- a/librewolf.cfg
+++ b/librewolf.cfg
@@ -160,6 +160,7 @@ lockPref("media.autoplay.enabled.user-gestures-needed", false);
 // User Settings : Password manager settings
 // -----------------------------------------
 
+lockPref("signon.storeSignons", false);
 lockPref("signon.rememberSignons", false);
 lockPref("services.sync.prefs.sync.signon.rememberSignons", false);
 lockPref("signon.storeWhenAutocompleteOff", false);
@@ -1675,6 +1676,8 @@ lockPref("remote.log.level", "Info");
 
 // Pref :
 lockPref("layout.css.visited_links_enabled", false);
+lockPref("layout.css.always-repaint-on-unvisited", false);
+lockPref("layout.css.layout.css.notify-of-unvisited", false);
 
 // Pref :
 lockPref("lpbmode.enabled", true);
@@ -2045,6 +2048,7 @@ lockPref("browser.newtabpage.activity-stream.asrouter.messageProviders", "");
 lockPref("browser.newtabpage.activity-stream.asrouter.devtoolsEnableds", true);
 lockPref("browser.newtabpage.activity-stream.telemetry", false);
 lockPref("browser.newtabpage.activity-stream.telemetry.ping.endpoint", "");
+lockPref("browser.newtabpage.activity-stream.telemetry.structuredIngestion.endpoint", "");
 lockPref("browser.newtabpage.activity-stream.feeds.telemetry", false);
 lockPref("browser.newtabpage.activity-stream.feeds.snippets", false);
 lockPref("browser.newtabpage.activity-stream.disableSnippets", true);