--- a/toolkit/components/resistfingerprinting/LanguagePrompt.jsm
+++ b/toolkit/components/resistfingerprinting/LanguagePrompt.jsm
@@ -85,17 +85,16 @@ class _LanguagePrompt {
   _handleResistFingerprintingChanged() {
     if (Services.prefs.getBoolPref(kPrefResistFingerprinting)) {
       Services.prefs.addObserver(kPrefSpoofEnglish, this);
       if (this._shouldPromptForLanguagePref()) {
         Services.obs.addObserver(this, kTopicHttpOnModifyRequest);
       }
     } else {
       this._removeObservers();
-      Services.prefs.setIntPref(kPrefSpoofEnglish, 0);
     }
   }
 
   _handleSpoofEnglishChanged() {
     switch (Services.prefs.getIntPref(kPrefSpoofEnglish)) {
       case 0: // will prompt
         // This should only happen when turning privacy.resistFingerprinting off.
         // Works like disabling accept-language spoofing.