diff --git a/minix/kernel/mqueue.c b/minix/kernel/mqueue.c
index dfd2e0616..be84f5b99 100644
--- a/minix/kernel/mqueue.c
+++ b/minix/kernel/mqueue.c
@@ -157,14 +157,6 @@ size_t mq_receive(mqd_t mqdes, char *msg_ptr, unsigned int msg_prio, endpoint_t
 	return 0;
 }
 
-int find_max(int n1, int n2)
-{
-	if (n1 > n2)
-		return n1;
-
-	return n2;
-}
-
 int message_index_with_highprio(int mqdes, endpoint_t dst)
 {
 	int prio;
@@ -179,9 +171,9 @@ int message_index_with_highprio(int mqdes, endpoint_t dst)
 					if (max_prio == prio) {
 						if (mq.msg[mqdes].msge[i].timestamp > mq.msg[mqdes].msge[index].timestamp)
 							index = i;
-					} else if (max_prio < find_max(max_prio, prio)) {
+					} else if (max_prio < MAX(max_prio, prio)) {
 						index = i;
-						max_prio = find_max(max_prio, prio);
+						max_prio = MAX(max_prio, prio);
 					}
 				}
 			}
@@ -202,7 +194,7 @@ int clean_message_queue(mqd_t mqdes)
 					flag = 0;
 		}
 
-		if (flag == 1) {
+		if (flag) {
 			mq.msg[mqdes].msg_slot_empty[i] = EMPTY;
 			mq.msg[mqdes].num_msgs--;
 		}