diff --git a/assets/base.mozconfig b/assets/base.mozconfig
index 13e3ce5..7991178 100644
--- a/assets/base.mozconfig
+++ b/assets/base.mozconfig
@@ -57,7 +57,6 @@ mk_add_options MOZ_HARDENING=1
 ac_add_options --disable-jemalloc
 ac_add_options --enable-sandbox
 ac_add_options --enable-default-toolkit=cairo-gtk3-wayland
-ac_add_options --enable-fortify-source=2
 ac_add_options --with-clang-extra-optimization-flags="-fno-omit-frame-pointer -fvisibility=hidden -march=native"
 CFLAGS="$CFLAGS -fwrapv"
 CXXFLAGS="$CXXFLAGS -fwrapv"