diff --git a/firefox.spec b/firefox.spec
index 853bca9..eb491f7 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -210,13 +210,9 @@ ac_add_options --with-system-nss
 ac_add_options --with-system-zlib
 ac_add_options --without-system-libvpx
 ac_add_options --with-system-bz2
-ac_add_options --enable-svg
-ac_add_options --enable-canvas
-ac_add_options --enable-webm
 ac_add_options --enable-gio
 ac_add_options --disable-updater
 ac_add_options --disable-tests
-ac_add_options --disable-debug
 %if %{toolkit_gtk3}
 ac_add_options --enable-default-toolkit=cairo-gtk3
 %else
@@ -228,7 +224,6 @@ ac_add_options --with-system-jpeg
 ac_add_options --disable-system-cairo
 ac_add_options --enable-system-sqlite
 ac_add_options --enable-startup-notification
-ac_add_options --enable-xinerama
 ac_add_options --with-distribution-id=org.rosa
 ac_add_options --disable-crashreporter
 ac_add_options --enable-update-channel=%{update_channel}