diff --git a/TC1/mqtt_server/user_mqtt_client.c b/TC1/mqtt_server/user_mqtt_client.c
index 71f43e7..7ad38b9 100644
--- a/TC1/mqtt_server/user_mqtt_client.c
+++ b/TC1/mqtt_server/user_mqtt_client.c
@@ -26,10 +26,8 @@
 #include "main.h"
 #include "mico.h"
 #include "MQTTClient.h"
-#include "user_function.h"
 #include "user_gpio.h"
 #include "user_mqtt_client.h"
-#include "c_json/c_json.h"
 
 typedef struct
 {
diff --git a/TC1/time_server/user_rtc.c b/TC1/time_server/user_rtc.c
index d29adea..ad309b9 100644
--- a/TC1/time_server/user_rtc.c
+++ b/TC1/time_server/user_rtc.c
@@ -4,7 +4,6 @@
 #include "main.h"
 #include "user_gpio.h"
 #include "sntp.h"
-#include "c_json/c_json.h"
 #include "mqtt_server/user_mqtt_client.h"
 #include "mqtt_server/user_function.h"
 
diff --git a/TC1/user_gpio.c b/TC1/user_gpio.c
index 5d59e0c..9e4bcb2 100644
--- a/TC1/user_gpio.c
+++ b/TC1/user_gpio.c
@@ -5,7 +5,6 @@
 #include "user_gpio.h"
 #include "mqtt_server/user_mqtt_client.h"
 #include "user_udp.h"
-#include "c_json/c_json.h"
 
 mico_gpio_t relay[Relay_NUM] = { Relay_0, Relay_1, Relay_2, Relay_3, Relay_4, Relay_5 };