--- a/browser/config/mozconfigs/win32/mingw32
+++ b/browser/config/mozconfigs/win32/mingw32
@@ -34,17 +34,16 @@ ac_add_options --disable-optimize
 
 # GCC compiling for Windows exposes a lot of warnings. We are tracking them in Bug 1394433
 ac_add_options --disable-warnings-as-errors
 
 # Temporary config settings until we get these working on mingw
 ac_add_options --disable-accessibility # https://sourceforge.net/p/mingw-w64/bugs/648/
 
 # Long story
-ac_add_options --disable-sandbox # Bug 1230910
 ac_add_options --disable-stylo # Bug 1390583
 
 # These aren't supported on mingw at this time
 ac_add_options --disable-webrtc # Bug 1393901
 ac_add_options --disable-maintenance-service
 
 # Find our toolchain
 CC="$TOOLTOOL_DIR/mingw32/bin/i686-w64-mingw32-gcc"