diff --git a/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c b/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c
index 845da7a70801..b38b311a3311 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/dtrace/fasttrap.c
@@ -2269,10 +2269,6 @@ static int
 fasttrap_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int fflag,
     struct thread *td)
 {
-#ifdef notyet
-	struct kinfo_proc kp;
-	const cred_t *cr = td->td_ucred;
-#endif
 	if (!dtrace_attached())
 		return (EAGAIN);
 
@@ -2328,47 +2324,24 @@ fasttrap_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int fflag,
 			proc_t *p;
 			pid_t pid = probe->ftps_pid;
 
-#ifdef illumos
 			mutex_enter(&pidlock);
-#endif
 			/*
 			 * Report an error if the process doesn't exist
 			 * or is actively being birthed.
 			 */
-			sx_slock(&proctree_lock);
-			p = pfind(pid);
-			if (p)
-				fill_kinfo_proc(p, &kp);
-			sx_sunlock(&proctree_lock);
-			if (p == NULL || kp.ki_stat == SIDL) {
-#ifdef illumos
+			if ((p = pfind(pid)) == NULL || p->p_stat == SIDL) {
 				mutex_exit(&pidlock);
-#endif
 				return (ESRCH);
 			}
-#ifdef illumos
 			mutex_enter(&p->p_lock);
 			mutex_exit(&pidlock);
-#else
-			PROC_LOCK_ASSERT(p, MA_OWNED);
-#endif
 
-#ifdef notyet
 			if ((ret = priv_proc_cred_perm(cr, p, NULL,
 			    VREAD | VWRITE)) != 0) {
-#ifdef illumos
 				mutex_exit(&p->p_lock);
-#else
-				PROC_UNLOCK(p);
-#endif
 				return (ret);
 			}
-#endif /* notyet */
-#ifdef illumos
 			mutex_exit(&p->p_lock);
-#else
-			PROC_UNLOCK(p);
-#endif
 		}
 #endif /* notyet */
 
@@ -2382,7 +2355,7 @@ fasttrap_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int fflag,
 		fasttrap_instr_query_t instr;
 		fasttrap_tracepoint_t *tp;
 		uint_t index;
-#ifdef illumos
+#ifdef notyet
 		int ret;
 #endif
 
@@ -2396,48 +2369,25 @@ fasttrap_ioctl(struct cdev *dev, u_long cmd, caddr_t arg, int fflag,
 			proc_t *p;
 			pid_t pid = instr.ftiq_pid;
 
-#ifdef illumos
 			mutex_enter(&pidlock);
-#endif
 			/*
 			 * Report an error if the process doesn't exist
 			 * or is actively being birthed.
 			 */
-			sx_slock(&proctree_lock);
-			p = pfind(pid);
-			if (p)
-				fill_kinfo_proc(p, &kp);
-			sx_sunlock(&proctree_lock);
-			if (p == NULL || kp.ki_stat == SIDL) {
-#ifdef illumos
+			if ((p == pfind(pid)) == NULL || p->p_stat == SIDL) {
 				mutex_exit(&pidlock);
-#endif
 				return (ESRCH);
 			}
-#ifdef illumos
 			mutex_enter(&p->p_lock);
 			mutex_exit(&pidlock);
-#else
-			PROC_LOCK_ASSERT(p, MA_OWNED);
-#endif
 
-#ifdef notyet
 			if ((ret = priv_proc_cred_perm(cr, p, NULL,
 			    VREAD)) != 0) {
-#ifdef illumos
 				mutex_exit(&p->p_lock);
-#else
-				PROC_UNLOCK(p);
-#endif
 				return (ret);
 			}
-#endif /* notyet */
 
-#ifdef illumos
 			mutex_exit(&p->p_lock);
-#else
-			PROC_UNLOCK(p);
-#endif
 		}
 #endif /* notyet */