Index: uspace/lib/nic/include/nic_driver.h
===================================================================
--- uspace/lib/nic/include/nic_driver.h	(revision cf9cb36f0ca62c70ee2bfb4b1c4cce6ed794d7bb)
+++ uspace/lib/nic/include/nic_driver.h	(revision dc9a3bad35af1e44ff24f701c2fc929aba3a5e55)
@@ -70,6 +70,4 @@
 	 */
 	ddf_fun_t *fun;
-	/** Identifier for higher network stack layers */
-	nic_device_id_t device_id;
 	/** Current state of the device */
 	nic_device_state_t state;
Index: uspace/lib/nic/include/nic_ev.h
===================================================================
--- uspace/lib/nic/include/nic_ev.h	(revision cf9cb36f0ca62c70ee2bfb4b1c4cce6ed794d7bb)
+++ uspace/lib/nic/include/nic_ev.h	(revision dc9a3bad35af1e44ff24f701c2fc929aba3a5e55)
@@ -43,8 +43,7 @@
 #include <sys/types.h>
 
-extern int nic_ev_addr_changed(async_sess_t *, nic_device_id_t,
-    const nic_address_t *);
-extern int nic_ev_device_state(async_sess_t *, nic_device_id_t, sysarg_t);
-extern int nic_ev_received(async_sess_t *, nic_device_id_t, void *, size_t);
+extern int nic_ev_addr_changed(async_sess_t *, const nic_address_t *);
+extern int nic_ev_device_state(async_sess_t *, sysarg_t);
+extern int nic_ev_received(async_sess_t *, void *, size_t);
 
 #endif
Index: uspace/lib/nic/include/nic_impl.h
===================================================================
--- uspace/lib/nic/include/nic_impl.h	(revision cf9cb36f0ca62c70ee2bfb4b1c4cce6ed794d7bb)
+++ uspace/lib/nic/include/nic_impl.h	(revision dc9a3bad35af1e44ff24f701c2fc929aba3a5e55)
@@ -48,5 +48,5 @@
 extern int nic_get_address_impl(ddf_fun_t *dev_fun, nic_address_t *address);
 extern int nic_send_frame_impl(ddf_fun_t *dev_fun, void *data, size_t size);
-extern int nic_callback_create_impl(ddf_fun_t *dev_fun, int device_id);
+extern int nic_callback_create_impl(ddf_fun_t *dev_fun);
 extern int nic_get_state_impl(ddf_fun_t *dev_fun, nic_device_state_t *state);
 extern int nic_set_state_impl(ddf_fun_t *dev_fun, nic_device_state_t state);