diff --git a/sys/cddl/dev/dtmalloc/dtmalloc.c b/sys/cddl/dev/dtmalloc/dtmalloc.c
--- a/sys/cddl/dev/dtmalloc/dtmalloc.c
+++ b/sys/cddl/dev/dtmalloc/dtmalloc.c
@@ -39,7 +39,6 @@
 extern bool dtrace_malloc_enabled;
 static uint32_t dtrace_malloc_enabled_count;
 
-static d_open_t	dtmalloc_open;
 static int	dtmalloc_unload(void);
 static void	dtmalloc_getargdesc(void *, dtrace_id_t, void *, dtrace_argdesc_t *);
 static void	dtmalloc_provide(void *, dtrace_probedesc_t *);
@@ -48,12 +47,6 @@
 static void	dtmalloc_disable(void *, dtrace_id_t, void *);
 static void	dtmalloc_load(void *);
 
-static struct cdevsw dtmalloc_cdevsw = {
-	.d_version	= D_VERSION,
-	.d_open		= dtmalloc_open,
-	.d_name		= "dtmalloc",
-};
-
 static dtrace_pattr_t dtmalloc_attr = {
 { DTRACE_STABILITY_STABLE, DTRACE_STABILITY_STABLE, DTRACE_CLASS_COMMON },
 { DTRACE_STABILITY_PRIVATE, DTRACE_STABILITY_PRIVATE, DTRACE_CLASS_UNKNOWN },
@@ -75,7 +68,6 @@
 	.dtps_destroy =		dtmalloc_destroy
 };
 
-static struct cdev		*dtmalloc_cdev;
 static dtrace_provider_id_t	dtmalloc_id;
 
 static void
@@ -173,10 +165,6 @@
 static void
 dtmalloc_load(void *dummy)
 {
-	/* Create the /dev/dtrace/dtmalloc entry. */
-	dtmalloc_cdev = make_dev(&dtmalloc_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
-	    "dtrace/dtmalloc");
-
 	if (dtrace_register("dtmalloc", &dtmalloc_attr, DTRACE_PRIV_USER,
 	    NULL, &dtmalloc_pops, NULL, &dtmalloc_id) != 0)
 		return;
@@ -195,8 +183,6 @@
 	if ((error = dtrace_unregister(dtmalloc_id)) != 0)
 		return (error);
 
-	destroy_dev(dtmalloc_cdev);
-
 	return (error);
 }
 
@@ -224,12 +210,6 @@
 	return (error);
 }
 
-static int
-dtmalloc_open(struct cdev *dev __unused, int oflags __unused, int devtype __unused, struct thread *td __unused)
-{
-	return (0);
-}
-
 SYSINIT(dtmalloc_load, SI_SUB_DTRACE_PROVIDER, SI_ORDER_ANY, dtmalloc_load, NULL);
 SYSUNINIT(dtmalloc_unload, SI_SUB_DTRACE_PROVIDER, SI_ORDER_ANY, dtmalloc_unload, NULL);