diff --git a/win32/Makefile.sub b/win32/Makefile.sub
index 0d2b80f676..0cd89c0bd9 100644
--- a/win32/Makefile.sub
+++ b/win32/Makefile.sub
@@ -1281,10 +1281,19 @@ distclean-local::
 		-$(Q)$(RMDIRS) $(arch_hdrdir:/=\)\ruby
 		-$(Q)$(RMDIR) win32
 
+.bundle/clean:: .bundle/clean.sub
+.bundle/distclean:: .bundle/distclean.sub
+.bundle/realclean:: .bundle/realclean.sub
+
+.bundle/clean.sub:: ext/clean.mk
+.bundle/distclean.sub:: ext/distclean.mk
+.bundle/realclean.sub:: ext/realclean.mk
+
 ext/clean.mk ext/distclean.mk ext/realclean.mk::
 	$(Q)if exist $(EXTS_MK) $(MAKE) -k -f $(EXTS_MK) top_srcdir=$(srcdir) $(*F)
 
-ext/clean gems/clean ext/distclean gems/distclean ext/realclean gems/realclean::
+ext/clean.sub ext/distclean.sub ext/realclean.sub \
+.bundle/clean.sub .bundle/distclean.sub .bundle/realclean.sub::
 		$(Q)cd $(@D) 2>nul && (for /R $(EXTS) %I in (.) \
 		do $(Q)if exist %I\Makefile ( \
 		    cd %I && ( \
@@ -1297,11 +1306,14 @@ ext/clean gems/clean ext/distclean gems/distclean ext/realclean gems/realclean::
 		    $(RMDIRS) %I \
 		))) || @
 
-ext/distclean gems/distclean ext/realclean gems/realclean::
+ext/distclean ext/realclean .bundle/distclean .bundle/realclean::
 		$(Q)cd $(@D) 2>nul && (for /R $(EXTS) %I in (exts.mk*) \
 		do $(Q)(del %I & rmdir %~dpI)) || @
 		-$(Q)rmdir $(@D) 2> nul || @
 
+.bundle/realclean::
+	@$(RMALL) $(tooldir)/bunlder/*.lock $(srcdir)/.bundle
+
 gc/clean gc/distclean gc/realclean::
 	- for /D %G in (gc\*) do (pushd %G && $(MAKE) TARGET_SO_DIR=./ $(@F) & popd) || $(NULLCMD)
 gc/distclean gc/realclean::