--- a/js/src/tests/user.js
+++ b/js/src/tests/user.js
@@ -20,13 +20,16 @@ user_pref("extensions.checkUpdateSecurit
 user_pref("browser.EULA.override", true);
 user_pref("javascript.options.strict", false);
 user_pref("javascript.options.werror", false);
 user_pref("toolkit.startup.max_resumed_crashes", -1);
 user_pref("security.turn_off_all_security_so_that_viruses_can_take_over_this_computer", true);
 user_pref("toolkit.telemetry.enabled", false);
 user_pref("browser.safebrowsing.enabled", false);
 user_pref("browser.safebrowsing.malware.enabled", false);
+user_pref("browser.safebrowsing.forbiddenURIs.enabled", false);
+user_pref("privacy.trackingprotection.enabled", false);
+user_pref("privacy.trackingprotection.pbmode.enabled", false);
 user_pref("browser.snippets.enabled", false);
 user_pref("browser.snippets.syncPromo.enabled", false);
 user_pref("browser.snippets.firstrunHomepage.enabled", false);
 user_pref("general.useragent.updates.enabled", false);
 user_pref("browser.webapps.checkForUpdates", 0);

--- a/layout/tools/reftest/reftest-preferences.js
+++ b/layout/tools/reftest/reftest-preferences.js
@@ -76,16 +76,17 @@ user_pref("security.view-source.reachabl
 
 // Ensure that telemetry is disabled, so we don't connect to the telemetry
 // server in the middle of the tests.
 user_pref("toolkit.telemetry.enabled", false);
 user_pref("toolkit.telemetry.unified", false);
 // Likewise for safebrowsing.
 user_pref("browser.safebrowsing.enabled", false);
 user_pref("browser.safebrowsing.malware.enabled", false);
+user_pref("browser.safebrowsing.forbiddenURIs.enabled", false);
 // Likewise for tracking protection.
 user_pref("privacy.trackingprotection.enabled", false);
 user_pref("privacy.trackingprotection.pbmode.enabled", false);
 // And for snippets.
 user_pref("browser.snippets.enabled", false);
 user_pref("browser.snippets.syncPromo.enabled", false);
 user_pref("browser.snippets.firstrunHomepage.enabled", false);
 // And for useragent updates.

--- a/testing/marionette/client/marionette_driver/geckoinstance.py
+++ b/testing/marionette/client/marionette_driver/geckoinstance.py
@@ -197,30 +197,33 @@ class DesktopInstance(GeckoInstance):
         'app.update.enabled': False,
         'browser.dom.window.dump.enabled': True,
         # Bug 1145668 - Has to be reverted to about:blank once Marionette
         # can correctly handle error pages
         'browser.newtab.url': 'about:newtab',
         'browser.newtabpage.enabled': False,
         'browser.reader.detectedFirstArticle': True,
         'browser.safebrowsing.enabled': False,
+        'browser.safebrowsing.forbiddenURIs.enabled': False,
         'browser.safebrowsing.malware.enabled': False,
         'browser.search.update': False,
         'browser.tabs.animate': False,
         'browser.tabs.warnOnClose': False,
         'browser.tabs.warnOnOpen': False,
         'browser.uitour.enabled': False,
         'dom.report_all_js_exceptions': True,
         'extensions.getAddons.cache.enabled': False,
         'extensions.installDistroAddons': False,
         'extensions.showMismatchUI': False,
         'extensions.update.enabled': False,
         'extensions.update.notifyUser': False,
         'geo.provider.testing': True,
         'javascript.options.showInConsole': True,
+        'privacy.trackingprotection.enabled': False,
+        'privacy.trackingprotection.pbmode.enabled': False,
         'security.notification_enable_delay': 0,
         'signon.rememberSignons': False,
         'toolkit.startup.max_resumed_crashes': -1,
     }
 
     def __init__(self, *args, **kwargs):
         super(DesktopInstance, self).__init__(*args, **kwargs)
         self.required_prefs.update(DesktopInstance.desktop_prefs)

--- a/testing/talos/talos/config.py
+++ b/testing/talos/talos/config.py
@@ -104,16 +104,19 @@ DEFAULTS = dict(
         'browser.safebrowsing.provider.mozilla.gethashURL':
             'http://127.0.0.1/safebrowsing-dummy/gethash',
         'browser.safebrowsing.provider.mozilla.updateURL':
             'http://127.0.0.1/safebrowsing-dummy/update',
         'privacy.trackingprotection.introURL':
             'http://127.0.0.1/trackingprotection/tour',
         'browser.safebrowsing.enabled': False,
         'browser.safebrowsing.malware.enabled': False,
+        'browser.safebrowsing.forbiddenURIs.enabled': False,
+        'privacy.trackingprotection.enabled': False,
+        'privacy.trackingprotection.pbmode.enabled': False,
         'browser.search.isUS': True,
         'browser.search.countryCode': 'US',
         'browser.selfsupport.url':
             'https://127.0.0.1/selfsupport-dummy/',
         'extensions.update.url':
             'http://127.0.0.1/extensions-dummy/updateURL',
         'extensions.update.background.url':
             'http://127.0.0.1/extensions-dummy/updateBackgroundURL',