--- a/editor/libeditor/text/tests/Makefile.in
+++ b/editor/libeditor/text/tests/Makefile.in
@@ -41,21 +41,14 @@ srcdir		= @srcdir@
 VPATH		= @srcdir@
 relativesrcdir  = editor/libeditor/text/tests
 
 include $(DEPTH)/config/autoconf.mk
 include $(topsrcdir)/config/rules.mk
 
 _TEST_FILES = \
 		test_bug471722.html \
-		$(NULL)
-
-# disables the key handling test on gtk2 because gtk2 overrides some key events
-# on our editor, and the combinations depend on the system.
-ifneq ($(MOZ_WIDGET_TOOLKIT),gtk2)
-_TEST_FILES += \
 		test_texteditor_keyevent_handling.html \
 		$(NULL)
-endif
 
 libs:: $(_TEST_FILES)
 	$(INSTALL) $(foreach f,$^,"$f") $(DEPTH)/_tests/testing/mochitest/tests/$(relativesrcdir)