diff --git a/user.js b/user.js
index a4c4c71..d47e63f 100644
--- a/user.js
+++ b/user.js
@@ -769,7 +769,7 @@ user_pref("privacy.resistFingerprinting", true);
 user_pref("privacy.resistFingerprinting.block_mozAddonManager", true); // [HIDDEN PREF]
 // -------------------------------------
 // Enable RFP letterboxing [FF67+]
-user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF]
+// user_pref("privacy.resistFingerprinting.letterboxing", true); // [HIDDEN PREF]
 // user_pref("privacy.resistFingerprinting.letterboxing.dimensions", ""); // [HIDDEN PREF]
 // -------------------------------------
 // Experimental RFP [FF91+]