diff --git a/sys/fs/cd9660/cd9660_vfsops.c b/sys/fs/cd9660/cd9660_vfsops.c
index 5a7e880e77d0..955cc2f4019d 100644
--- a/sys/fs/cd9660/cd9660_vfsops.c
+++ b/sys/fs/cd9660/cd9660_vfsops.c
@@ -216,10 +216,6 @@ cd9660_mount(mp, path, data, ndp, p)
 	NDFREE(ndp, NDF_ONLY_PNBUF);
 	devvp = ndp->ni_vp;
 
-	if (devsw(devvp->v_rdev) == NULL) {
-		vrele(devvp);
-		return (ENXIO);
-	}
 	if (!vn_isdisk(devvp, &error)) {
 		vrele(devvp);
 		return (error);
diff --git a/sys/isofs/cd9660/cd9660_vfsops.c b/sys/isofs/cd9660/cd9660_vfsops.c
index 5a7e880e77d0..955cc2f4019d 100644
--- a/sys/isofs/cd9660/cd9660_vfsops.c
+++ b/sys/isofs/cd9660/cd9660_vfsops.c
@@ -216,10 +216,6 @@ cd9660_mount(mp, path, data, ndp, p)
 	NDFREE(ndp, NDF_ONLY_PNBUF);
 	devvp = ndp->ni_vp;
 
-	if (devsw(devvp->v_rdev) == NULL) {
-		vrele(devvp);
-		return (ENXIO);
-	}
 	if (!vn_isdisk(devvp, &error)) {
 		vrele(devvp);
 		return (error);