diff --git a/features/FEATURE_BLE/targets/TARGET_Cypress/COMPONENT_CYW43XXX/CyH4TransportDriver.h b/features/FEATURE_BLE/targets/TARGET_Cypress/COMPONENT_CYW43XXX/CyH4TransportDriver.h
index b5ed342c9b..ab6bde192b 100644
--- a/features/FEATURE_BLE/targets/TARGET_Cypress/COMPONENT_CYW43XXX/CyH4TransportDriver.h
+++ b/features/FEATURE_BLE/targets/TARGET_Cypress/COMPONENT_CYW43XXX/CyH4TransportDriver.h
@@ -117,10 +117,6 @@ private:
 #define WAKE_EVENT_ACTIVE_HIGH ( 1 )      /* Interrupt Rising Edge  */
 #define WAKE_EVENT_ACTIVE_LOW  ( 0 )      /* Interrupt Falling Edge */
 
-#if (defined(TARGET_CY8CPROTO_062_4343W))
-#define BT_UART_NO_3M_SUPPORT  ( 1 )
-#endif
-
 ble::vendor::cypress_ble::CyH4TransportDriver& ble_cordio_get_default_h4_transport_driver();
 ble::vendor::cypress_ble::CyH4TransportDriver& ble_cordio_get_h4_transport_driver();
 #endif