diff --git a/mtproto-client.c b/mtproto-client.c
index 784fc40..2aad896 100644
--- a/mtproto-client.c
+++ b/mtproto-client.c
@@ -1884,7 +1884,6 @@ void mtproto_close(struct mtproto_connection *mtp) {
         }
         stop_ping_timer (mtp->connection);
     }
-    // remove all ping timer that point to this connection
 }
 
 /**
diff --git a/net.c b/net.c
index 89dfc50..bc0c7aa 100644
--- a/net.c
+++ b/net.c
@@ -67,7 +67,6 @@ int ping_alarm (struct connection *c) {
     warning ( "fail connection: reason: ping timeout\n");
     c->state = conn_failed;
     fail_connection (c);
-
   } else if (get_double_time () - c->last_receive_time > 5 * PING_TIMEOUT && c->state == conn_ready) {
     debug ("sending PING...\n");
     int x[3];
@@ -327,11 +326,8 @@ int try_write (struct connection *c) {
       x += r;
       c->out_head->rptr += r;
       if (c->out_head->rptr != c->out_head->wptr) {
-	    // Inhalt des Buffers nicht komplett abgeschickt,
-		// es geht nichts mehr in den Socket
         break;
       }
-	  // buffer ausgelesen, alten buffer löschen
       struct connection_buffer *b = c->out_head;
       c->out_head = b->next;
       if (!c->out_head) {