diff --git a/testing/firefox/build b/testing/firefox/build
index 1733b431..f2954344 100755
--- a/testing/firefox/build
+++ b/testing/firefox/build
@@ -58,12 +58,10 @@ export MOZ_NOSPAM=1
     --without-system-nss \
     --with-system-jpeg \
     --with-system-zlib \
-    --with-system-bz2 \
     --with-system-png \
     --without-system-libvpx \
     --with-system-pixman \
     --with-system-ffi \
-    --disable-gconf \
     --disable-profiling \
     --disable-accessibility \
     --disable-tests \
@@ -76,7 +74,6 @@ export MOZ_NOSPAM=1
     --disable-gold \
     --disable-jemalloc \
     --disable-pulseaudio \
-    --disable-startup-notification \
     --disable-crashreporter \
     --disable-updater \
     --disable-dbus \