diff --git a/right/src/buspal/bl_peripheral.h b/right/src/buspal/bl_peripheral.h
index c418a5a..4e27791 100644
--- a/right/src/buspal/bl_peripheral.h
+++ b/right/src/buspal/bl_peripheral.h
@@ -36,7 +36,6 @@ typedef struct _peripheral_control_interface
 {
     status_t (*init)(const peripheral_descriptor_t *self, serial_byte_receive_func_t function);
     void (*shutdown)(const peripheral_descriptor_t *self);
-    void (*pump)(const peripheral_descriptor_t *self);
 } peripheral_control_interface_t;
 
 //! @brief Peripheral abstract byte interface.
diff --git a/right/src/buspal/bus_pal_hardware.c b/right/src/buspal/bus_pal_hardware.c
index ba78ccd..2ed8291 100644
--- a/right/src/buspal/bus_pal_hardware.c
+++ b/right/src/buspal/bus_pal_hardware.c
@@ -20,8 +20,7 @@ static void init_i2c(uint32_t instance);
 static bool s_dHidActivity = false;
 
 const peripheral_control_interface_t g_usbHidControlInterface = {.init = usb_device_full_init,
-                                                                 .shutdown = usb_device_full_shutdown,
-                                                                 .pump = usb_msc_pump };
+                                                                 .shutdown = usb_device_full_shutdown};
 
 const peripheral_packet_interface_t g_usbHidPacketInterface = {.init = usb_hid_packet_init,
                                                                .readPacket = usb_hid_packet_read,