diff --git a/usersrc/usermain.c b/usersrc/usermain.c
index 274a1bd..4086a30 100644
--- a/usersrc/usermain.c
+++ b/usersrc/usermain.c
@@ -100,9 +100,6 @@ void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
 
 void user_main()
 {
-  uint32_t camera_encoder_data = 0;
-  uint32_t driven_encoder_data = 0;
-
   printf("==============ethernet_sound_acquisition_card=============\r\n");
   printf("version %d.%d", VERSION_MAIN_ID, VERSION_SUB_ID);