diff --git a/Makefile.inc1 b/Makefile.inc1
index 56ec42ff8ae4..137c38c23ee2 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -494,9 +494,7 @@ buildkernel:
 .endif
 .if !defined(NOCLEAN) && !defined(NO_KERNELCLEAN)
 	cd ${KRNLOBJDIR}/${_kernel}; \
-	    ${KMAKEENV} ${MAKE} KERNEL=${INSTKERNNAME} -DNO_MODULES clean
-	cd ${KRNLOBJDIR}/${_kernel}; \
-	    ${KMAKEENV} ${MAKE} KERNEL=${INSTKERNNAME} cleandir
+	    ${KMAKEENV} ${MAKE} KERNEL=${INSTKERNNAME} ${CLEANDIR}
 .endif
 	cd ${KRNLOBJDIR}/${_kernel}; \
 	    MAKESRCPATH=${KRNLSRCDIR}/dev/aic7xxx/aicasm \