diff --git a/sys/kern/kern_jail.c b/sys/kern/kern_jail.c
index 98deb3feb530..6e80510ca122 100644
--- a/sys/kern/kern_jail.c
+++ b/sys/kern/kern_jail.c
@@ -596,7 +596,6 @@ prison_priv_check(struct ucred *cred, int priv)
 		 */
 	case PRIV_IPC_READ:
 	case PRIV_IPC_WRITE:
-	case PRIV_IPC_EXEC:
 	case PRIV_IPC_ADMIN:
 	case PRIV_IPC_MSGSIZE:
 	case PRIV_MQ_ADMIN:
diff --git a/sys/sys/priv.h b/sys/sys/priv.h
index 62327ca6dcbf..4ccc7aafc725 100644
--- a/sys/sys/priv.h
+++ b/sys/sys/priv.h
@@ -166,9 +166,8 @@
  */
 #define	PRIV_IPC_READ		170	/* Can override IPC read perm. */
 #define	PRIV_IPC_WRITE		171	/* Can override IPC write perm. */
-#define	PRIV_IPC_EXEC		172	/* Can override IPC exec perm. */
-#define	PRIV_IPC_ADMIN		173	/* Can override IPC owner-only perm. */
-#define	PRIV_IPC_MSGSIZE	174	/* Exempt IPC message queue limit. */
+#define	PRIV_IPC_ADMIN		172	/* Can override IPC owner-only perm. */
+#define	PRIV_IPC_MSGSIZE	173	/* Exempt IPC message queue limit. */
 
 /*
  * POSIX message queue privileges.