diff --git a/browser/app/profile/firefox.js b/browser/app/profile/firefox.js
index 677e9637829f..e58c406a2ab5 100644
--- a/browser/app/profile/firefox.js
+++ b/browser/app/profile/firefox.js
@@ -223,19 +223,7 @@ pref("general.autoScroll", false);
 pref("general.autoScroll", true);
 #endif
 
-pref("general.useragent.complexOverride.moodle", true); // bug 797703
-pref("general.useragent.override.bank.barclays.co.uk",   "Gecko/[^ ]*#Gecko/20100101"); // bug 804169
-pref("general.useragent.override.bankmillennium.pl",     "Gecko/[^ ]*#Gecko/20100101"); // bug 804103
-pref("general.useragent.override.becu.org",              "Gecko/[^ ]*#Gecko/20100101"); // bug 804170
-pref("general.useragent.override.becuonlinebanking.org", "Gecko/[^ ]*#Gecko/20100101"); // bug 804170
-pref("general.useragent.override.bfsfcu.org",            "Gecko/[^ ]*#Gecko/20100101"); // bug 804171
-pref("general.useragent.override.cenfedcu.org",          "Gecko/[^ ]*#Gecko/20100101"); // bug 804172
-pref("general.useragent.override.coastal24.com",         "Gecko/[^ ]*#Gecko/20100101"); // bug 804175
-pref("general.useragent.override.mtb.com",               "Gecko/[^ ]*#Gecko/20100101"); // bug 795350
-pref("general.useragent.override.mandtbank.com",         "Gecko/[^ ]*#Gecko/20100101"); // bug 795350
-pref("general.useragent.override.natweststockbrokers.co.uk", "Gecko/[^ ]*#Gecko/20100101"); // bug 804179
-pref("general.useragent.override.natweststockbrokers.com", "Gecko/[^ ]*#Gecko/20100101"); // bug 804179
-pref("general.useragent.override.raiffeisen.hu",         "Gecko/[^ ]*#Gecko/20100101"); // bug 795348
+pref("general.useragent.complexOverride.moodle", false); // bug 797703
 
 // At startup, check if we're the default browser and prompt user if not.
 pref("browser.shell.checkDefaultBrowser", true);