Index: sys/conf/kern.post.mk
===================================================================
--- sys/conf/kern.post.mk
+++ sys/conf/kern.post.mk
@@ -233,7 +233,6 @@
 hack.pico: Makefile
 	:> hack.c
 	${CC} ${CCLDFLAGS} -shared ${CFLAGS} -nostdlib hack.c -o hack.pico
-	rm -f hack.c
 
 offset.inc: $S/kern/genoffset.sh genoffset.o
 	NM='${NM}' NMFLAGS='${NMFLAGS}' sh $S/kern/genoffset.sh genoffset.o > ${.TARGET}