diff --git a/gentoo_portage/package.accept_keywords b/gentoo_portage/package.accept_keywords
index 9bfc672..e2d2e50 100644
--- a/gentoo_portage/package.accept_keywords
+++ b/gentoo_portage/package.accept_keywords
@@ -20,8 +20,8 @@ dev-util/android-studio ~amd64
 net-vpn/frp ~amd64
 
 # firefox
-dev-libs/nspr ~amd64
-dev-libs/nss ~amd64
+# dev-libs/nspr ~amd64
+# dev-libs/nss ~amd64
 www-client/firefox ~amd64
 
 # wechat
diff --git a/gentoo_portage/package.use b/gentoo_portage/package.use
index 3d16ac6..849942d 100644
--- a/gentoo_portage/package.use
+++ b/gentoo_portage/package.use
@@ -71,7 +71,7 @@ net-fs/samba client
 net-libs/ngtcp2 gnutls
 
 # mpv
-media-video/mpv bluray dvd nvenc pipewire -vulkan
+media-video/mpv bluray dvd nvenc pipewire
 
 # pdf-tools need poppler-glib library
 app-text/poppler cairo