diff --git a/project/ble_peripheral/ble_app_bladder_patch/main.c b/project/ble_peripheral/ble_app_bladder_patch/main.c
index 0f8846e..1956859 100644
--- a/project/ble_peripheral/ble_app_bladder_patch/main.c
+++ b/project/ble_peripheral/ble_app_bladder_patch/main.c
@@ -193,13 +193,7 @@ static uint8_t  c_addr[6] = {0};                         /* Connected peer BLE a
 
 static char * roles_str[] = {"INVALID_ROLE", "CENTRAL", "PERIPHERAL"};
 
-/*==============================================================================
- * Global Variables
- * IEC 62304 §5.5.3: all global buffers zero-initialized for deterministic startup
- *============================================================================*/
-volatile uint8_t Sj_type;                     /* Command type identifier */
 bool power_off_duble_prohibit = false;        /* Power-off double prevention flag */
-volatile bool power_state = false;            /* Power state tracking */
 
 /* -- External module flags (defined in main_timer/power_control) -- */
 extern bool go_device_power_off;       /* Power-off request flag */