diff --git a/dns/GNUmakefile b/dns/GNUmakefile
index 84b7159..1ad5eb3 100644
--- a/dns/GNUmakefile
+++ b/dns/GNUmakefile
@@ -12,10 +12,10 @@ install: \
 
 
 clean:
-	rm -f *.bak *.o core gethostbyname
+	rm -f *.bak *.o core gethostbyaddr gethostbyname fqdn check
 
 distclean: clean
-	rm -f *.d
+	rm -f *.d GNUmakevars GNUmakerules
 
 cfg/%:
 	$(MAKE) -C cfg all
diff --git a/dns/cfg/GNUmakefile b/dns/cfg/GNUmakefile
index f925f23..642ef5a 100644
--- a/dns/cfg/GNUmakefile
+++ b/dns/cfg/GNUmakefile
@@ -2,3 +2,6 @@ all: have_hstrerror.h
 
 %.h: %.sh
 	CC='$(CC)' CFLAGS='$(CFLAGS)' LDFLAGS='$(LDFLAGS)' sh $^ > $@
+
+clean:
+	rm *.h