--- heirloom-ng-clean/Makefile.mk	2024-12-12 18:26:45.608513069 +0300
+++ heirloom-ng/Makefile.mk	2024-12-12 18:28:00.010515155 +0300
@@ -73,11 +73,6 @@
 	sh build/crossln $(ROOT)$(SV3BIN)/more $(ROOT)$(UCBBIN)/more $(ROOT)
 	rm -f $(ROOT)$(UCBBIN)/catman
 	sh build/crossln $(ROOT)$(DEFSBIN)/catman $(ROOT)$(UCBBIN)/catman $(ROOT)
-	for i in sccs prt; \
-	do \
-		rm -f $(ROOT)$(UCBBIN)/$$i; \
-		sh build/crossln $(ROOT)$(CCSBIN)/$$i $(ROOT)$(UCBBIN)/$$i $(ROOT); \
-	done
 	rm -f $(ROOT)$(SV3BIN)/awk
 	sh build/crossln $(ROOT)$(DEFBIN)/oawk $(ROOT)$(SV3BIN)/awk $(ROOT)
 	rm -f $(ROOT)$(S42BIN)/awk