--- a/Makefile.in
+++ b/Makefile.in
@@ -7,7 +7,7 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 #
 
-gb_Top_MODULE_CHECK_TARGETS := slowcheck unitcheck subsequentcheck perfcheck uicheck screenshot
+gb_Top_MODULE_CHECK_TARGETS := unitcheck subsequentcheck perfcheck uicheck screenshot
 
 .PHONY : check-if-root bootstrap gbuild build build-non-l10n-only build-l10n-only check clean clean-build clean-host test-install distclean distro-pack-install docs download etags fetch get-submodules id install install-gdb-printers install-strip tags debugrun help showmodules translations packageinfo coverage internal.clean $(gb_Top_MODULE_CHECK_TARGETS)