diff --git a/common.mk b/common.mk
index 4282be9c5a..d5e69750d4 100644
--- a/common.mk
+++ b/common.mk
@@ -758,10 +758,10 @@ no-fake -fake: PHONY
 $(HAVE_BASERUBY:no=)$(arch)-fake.rb: miniruby$(EXEEXT)
 
 # actually depending on other headers more.
-$(arch)-fake.rb: $(top_srcdir)/revision.h $(top_srcdir)/version.h $(srcdir)/version.c
-$(arch)-fake.rb: {$(VPATH)}id.h {$(VPATH)}vm_opts.h
+$(arch:noarch=ignore)-fake.rb: $(top_srcdir)/revision.h $(top_srcdir)/version.h $(srcdir)/version.c
+$(arch:noarch=ignore)-fake.rb: {$(VPATH)}id.h {$(VPATH)}vm_opts.h
 
-$(arch)-fake.rb: $(srcdir)/template/fake.rb.in $(tooldir)/generic_erb.rb
+$(arch:noarch=ignore)-fake.rb: $(srcdir)/template/fake.rb.in $(tooldir)/generic_erb.rb
 	$(ECHO) generating $@
 	$(Q) $(CPP) -DRUBY_EXPORT $(INCFLAGS) $(CPPFLAGS) "$(srcdir)/version.c" | \
 	$(BOOTSTRAPRUBY) "$(tooldir)/generic_erb.rb" -o $@ "$(srcdir)/template/fake.rb.in" \