Remove unused fields and declarations.
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
 
 #define CLIENT_THIS_SOCKET     0x01
 
-/* For RegisterClient */
-typedef struct client_reg_t {
-    dev_info_t *dev_info;
-    u_int      Attributes;  /* UNUSED */
-    u_int      EventMask;
-    int                (*event_handler)(event_t event, int priority,
-                                event_callback_args_t *);
-    event_callback_args_t event_callback_args;
-    u_int      Version;
-} client_reg_t;
-
 /* ModifyConfiguration */
 typedef struct modconf_t {
     u_int      Attributes;
 
 typedef struct dev_link_t {
     dev_node_t         *dev;
     u_int              state, open;
-    wait_queue_head_t  pending;
     client_handle_t    handle;
     io_req_t           io;
     irq_req_t          irq;