diff -r 3fd5e0fc075f -r 9e4cce24f6ff components/vnc_server/vnc-server.c
--- a/components/vnc_server/vnc-server.c	Fri Oct 26 22:19:48 2018 +0200
+++ b/components/vnc_server/vnc-server.c	Fri Oct 26 23:32:32 2018 +0200
@@ -1004,14 +1004,11 @@
  */
 void task_WS(void *pvParameter)
 {
-    int			i, j, num_of_encodings, rest_time;
+    int			i, j, num_of_encodings;
     uint16_t		*ptr_to_uint16;
     struct strMessage   _msg;
 
-    // Do pin/pong.
-
     VNC_WS_run = true;
-    rest_time = 0;
 
     while (VNC_WS_run) {
 
@@ -1021,12 +1018,10 @@
 	 * a clean exit of this task.
 	 */
 	if (xQueueReceive(message_queue, &_msg, 5 / portTICK_PERIOD_MS) == pdTRUE) {
-//	    dump_msg((char *)_msg.message, _msg.length, "pull");
 
 	    switch (_msg.message[0]) {
 
 	    	case SET_PIXEL_FORMAT:
-//		    printf("SET_PIXEL_FORMAT\n");
 		    /* Check total message length */
 		    if (_msg.length >= 20) {
 			/* Check pixel format is as expected */
@@ -1131,12 +1126,6 @@
 					break;
 			    }
 			}
-
-			if (encoding_type.corre) {
-			    ESP_LOGI(TAG, "SetEncodings use CORRE");
-			} else {
-			    ESP_LOGI(TAG, "SetEncodings use RAW");
-			}
 		    }
 		    break;
 
@@ -1173,7 +1162,6 @@
 			VNC_pointer_button = _msg.message[1];
 			VNC_pointer_x = _msg.message[2]*255 + _msg.message[3];
 			VNC_pointer_y = _msg.message[4]*255 + _msg.message[5];
-//			printf("POINTER_EVENT button=%02x  x=%d y=%d\n", VNC_pointer_button, VNC_pointer_x, VNC_pointer_y);
 		    }
 		    _msg.length = 0;
 		    break;
@@ -1185,15 +1173,6 @@
 	    	default:
 		    ESP_LOGI(TAG, "Unknown message %d from client", _msg.message[0]);
 	    }
-	    rest_time = 0;
-	} else {
-	    rest_time++;	// Each 5 milliseconds
-	    if (rest_time == 2000) {
-		// 10 seconds silence, send a PING
-		rest_time = 0;
-//		int rc = ws_server_ping(VNC_WS_num);
-//		ESP_LOGI(TAG, "Send PING to %d, rc=%d", VNC_WS_num, rc);
-	    }
 	}
     }