diff --git a/sys/modules/fdesc/Makefile b/sys/modules/fdesc/Makefile
index ff1975efa501..50c7436e6bf3 100644
--- a/sys/modules/fdesc/Makefile
+++ b/sys/modules/fdesc/Makefile
@@ -5,6 +5,5 @@ KMOD=	fdesc
 SRCS=	vnode_if.h \
 	fdesc_vfsops.c fdesc_vnops.c
 NOMAN=
-CFLAGS+= -DFDESC
 
 .include "${.CURDIR}/../../conf/kmod.mk"
diff --git a/sys/modules/fdescfs/Makefile b/sys/modules/fdescfs/Makefile
index ff1975efa501..50c7436e6bf3 100644
--- a/sys/modules/fdescfs/Makefile
+++ b/sys/modules/fdescfs/Makefile
@@ -5,6 +5,5 @@ KMOD=	fdesc
 SRCS=	vnode_if.h \
 	fdesc_vfsops.c fdesc_vnops.c
 NOMAN=
-CFLAGS+= -DFDESC
 
 .include "${.CURDIR}/../../conf/kmod.mk"