diff --git a/src/nxt_conn.c b/src/nxt_conn.c
index c451a38b..9ca3ae8a 100644
--- a/src/nxt_conn.c
+++ b/src/nxt_conn.c
@@ -99,7 +99,6 @@ nxt_conn_free(nxt_task_t *task, nxt_conn_t *c)
     task->thread->engine->connections--;
 
     mp = c->mem_pool;
-    nxt_mp_free(mp, c);
     nxt_mp_release(mp);
 }