diff --git a/user.js b/user.js
index 9d8be32..316d5cd 100644
--- a/user.js
+++ b/user.js
@@ -581,14 +581,15 @@ user_pref("media.peerconnection.ice.default_address_only", true);
 // user_pref("media.peerconnection.ice.no_host", true);
 // -------------------------------------
 // Disable GMP (Gecko Media Plugins)
-// user_pref("media.gmp-provider.enabled", false);
+user_pref("media.gmp-provider.enabled", false);
+user_pref("media.gmp-manager.url", "");
 // -------------------------------------
 // Disable widevine CDM (Content Decryption Module)
 user_pref("media.gmp-widevinecdm.enabled", false);
 // -------------------------------------
 // Disable all DRM content (EME: Encryption Media Extension)
 user_pref("media.eme.enabled", false);
-// user_pref("browser.eme.ui.enabled", false);
+user_pref("browser.eme.ui.enabled", false);
 // -------------------------------------
 // Disable autoplay of HTML5 media [FF63+]
 // 0=Allow all, 1=Block non-muted media (default), 5=Block all