diff --git a/firefox-mozconfig b/firefox-mozconfig
index 173d24c..fe20bb9 100644
--- a/firefox-mozconfig
+++ b/firefox-mozconfig
@@ -13,13 +13,10 @@ ac_add_options --disable-mochitest
 ac_add_options --disable-installer
 ac_add_options --enable-xinerama
 ac_add_options --disable-xprint
-ac_add_options --disable-strip
-ac_add_options --enable-system-cairo
 ac_add_options --enable-pango
 ac_add_options --enable-svg
 ac_add_options --enable-canvas
 ac_add_options --disable-javaxpcom
-ac_add_options --enable-startup-notification
 ac_add_options --enable-safe-browsing
 ac_add_options --enable-extensions=default
 ac_add_options --enable-libnotify