diff --git a/make/rules.mk b/make/rules.mk
index 4bc7e09d..c00d033e 100644
--- a/make/rules.mk
+++ b/make/rules.mk
@@ -262,8 +262,6 @@ love:
 cvsupdate:
 	cvs update -dP
 
-	sh $(TOPDIR)/hdr/prepend_header.sh $@
-
 prepend_header:
 	for f in $(SRC_UNHEADERED); do sh $(TOPDIR)/hdr/prepend_header.sh $$f; done