diff --git a/thunderbird/mozconfig b/thunderbird/mozconfig
deleted file mode 100644
index c1a1f5f7c..000000000
--- a/thunderbird/mozconfig
+++ /dev/null
@@ -1,18 +0,0 @@
-. $topsrcdir/mail/config/mozconfig
-
-ac_add_options --enable-official-branding
-ac_add_options --disable-debug
-ac_add_options --enable-optimize="#CFLAGS#"
-
-ac_add_options --enable-xft
-ac_add_options --disable-freetype2
-ac_add_options --enable-toolkit-gtk2
-ac_add_options --enable-default-toolkit=gtk2
-ac_add_options --disable-toolkit-qt
-ac_add_options --disable-toolkit-xlib
-ac_add_options --disable-toolkit-gtk
-ac_add_options --disable-gnomevfs
-
-ac_add_options --with-system-jpeg
-ac_add_options --with-system-png
-ac_add_options --with-system-zlib