diff --git a/include/net/x25.h b/include/net/x25.h
index b4a8a8923128..c383aa4edbf0 100644
--- a/include/net/x25.h
+++ b/include/net/x25.h
@@ -187,57 +187,57 @@ extern int  sysctl_x25_clear_request_timeout;
 extern int  sysctl_x25_ack_holdback_timeout;
 extern int  sysctl_x25_forward;
 
-extern int x25_parse_address_block(struct sk_buff *skb,
-		struct x25_address *called_addr,
-		struct x25_address *calling_addr);
+int x25_parse_address_block(struct sk_buff *skb,
+			    struct x25_address *called_addr,
+			    struct x25_address *calling_addr);
 
-extern int  x25_addr_ntoa(unsigned char *, struct x25_address *,
-			  struct x25_address *);
-extern int  x25_addr_aton(unsigned char *, struct x25_address *,
-			  struct x25_address *);
-extern struct sock *x25_find_socket(unsigned int, struct x25_neigh *);
-extern void x25_destroy_socket_from_timer(struct sock *);
-extern int  x25_rx_call_request(struct sk_buff *, struct x25_neigh *, unsigned int);
-extern void x25_kill_by_neigh(struct x25_neigh *);
+int x25_addr_ntoa(unsigned char *, struct x25_address *, struct x25_address *);
+int x25_addr_aton(unsigned char *, struct x25_address *, struct x25_address *);
+struct sock *x25_find_socket(unsigned int, struct x25_neigh *);
+void x25_destroy_socket_from_timer(struct sock *);
+int x25_rx_call_request(struct sk_buff *, struct x25_neigh *, unsigned int);
+void x25_kill_by_neigh(struct x25_neigh *);
 
 /* x25_dev.c */
-extern void x25_send_frame(struct sk_buff *, struct x25_neigh *);
-extern int  x25_lapb_receive_frame(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
-extern void x25_establish_link(struct x25_neigh *);
-extern void x25_terminate_link(struct x25_neigh *);
+void x25_send_frame(struct sk_buff *, struct x25_neigh *);
+int x25_lapb_receive_frame(struct sk_buff *, struct net_device *,
+			   struct packet_type *, struct net_device *);
+void x25_establish_link(struct x25_neigh *);
+void x25_terminate_link(struct x25_neigh *);
 
 /* x25_facilities.c */
-extern int x25_parse_facilities(struct sk_buff *, struct x25_facilities *,
-				struct x25_dte_facilities *, unsigned long *);
-extern int x25_create_facilities(unsigned char *, struct x25_facilities *,
-				struct x25_dte_facilities *, unsigned long);
-extern int x25_negotiate_facilities(struct sk_buff *, struct sock *,
-				struct x25_facilities *,
-				struct x25_dte_facilities *);
-extern void x25_limit_facilities(struct x25_facilities *, struct x25_neigh *);
+int x25_parse_facilities(struct sk_buff *, struct x25_facilities *,
+			 struct x25_dte_facilities *, unsigned long *);
+int x25_create_facilities(unsigned char *, struct x25_facilities *,
+			  struct x25_dte_facilities *, unsigned long);
+int x25_negotiate_facilities(struct sk_buff *, struct sock *,
+			     struct x25_facilities *,
+			     struct x25_dte_facilities *);
+void x25_limit_facilities(struct x25_facilities *, struct x25_neigh *);
 
 /* x25_forward.c */
-extern void x25_clear_forward_by_lci(unsigned int lci);
-extern void x25_clear_forward_by_dev(struct net_device *);
-extern int x25_forward_data(int, struct x25_neigh *, struct sk_buff *);
-extern int x25_forward_call(struct x25_address *, struct x25_neigh *,
-				struct sk_buff *, int);
+void x25_clear_forward_by_lci(unsigned int lci);
+void x25_clear_forward_by_dev(struct net_device *);
+int x25_forward_data(int, struct x25_neigh *, struct sk_buff *);
+int x25_forward_call(struct x25_address *, struct x25_neigh *, struct sk_buff *,
+		     int);
 
 /* x25_in.c */
-extern int  x25_process_rx_frame(struct sock *, struct sk_buff *);
-extern int  x25_backlog_rcv(struct sock *, struct sk_buff *);
+int x25_process_rx_frame(struct sock *, struct sk_buff *);
+int x25_backlog_rcv(struct sock *, struct sk_buff *);
 
 /* x25_link.c */
-extern void x25_link_control(struct sk_buff *, struct x25_neigh *, unsigned short);
-extern void x25_link_device_up(struct net_device *);
-extern void x25_link_device_down(struct net_device *);
-extern void x25_link_established(struct x25_neigh *);
-extern void x25_link_terminated(struct x25_neigh *);
-extern void x25_transmit_clear_request(struct x25_neigh *, unsigned int, unsigned char);
-extern void x25_transmit_link(struct sk_buff *, struct x25_neigh *);
-extern int  x25_subscr_ioctl(unsigned int, void __user *);
-extern struct x25_neigh *x25_get_neigh(struct net_device *);
-extern void x25_link_free(void);
+void x25_link_control(struct sk_buff *, struct x25_neigh *, unsigned short);
+void x25_link_device_up(struct net_device *);
+void x25_link_device_down(struct net_device *);
+void x25_link_established(struct x25_neigh *);
+void x25_link_terminated(struct x25_neigh *);
+void x25_transmit_clear_request(struct x25_neigh *, unsigned int,
+				unsigned char);
+void x25_transmit_link(struct sk_buff *, struct x25_neigh *);
+int x25_subscr_ioctl(unsigned int, void __user *);
+struct x25_neigh *x25_get_neigh(struct net_device *);
+void x25_link_free(void);
 
 /* x25_neigh.c */
 static __inline__ void x25_neigh_hold(struct x25_neigh *nb)
@@ -252,16 +252,16 @@ static __inline__ void x25_neigh_put(struct x25_neigh *nb)
 }
 
 /* x25_out.c */
-extern  int x25_output(struct sock *, struct sk_buff *);
-extern void x25_kick(struct sock *);
-extern void x25_enquiry_response(struct sock *);
+int x25_output(struct sock *, struct sk_buff *);
+void x25_kick(struct sock *);
+void x25_enquiry_response(struct sock *);
 
 /* x25_route.c */
-extern struct x25_route *x25_get_route(struct x25_address *addr);
-extern struct net_device *x25_dev_get(char *);
-extern void x25_route_device_down(struct net_device *dev);
-extern int  x25_route_ioctl(unsigned int, void __user *);
-extern void x25_route_free(void);
+struct x25_route *x25_get_route(struct x25_address *addr);
+struct net_device *x25_dev_get(char *);
+void x25_route_device_down(struct net_device *dev);
+int x25_route_ioctl(unsigned int, void __user *);
+void x25_route_free(void);
 
 static __inline__ void x25_route_hold(struct x25_route *rt)
 {
@@ -275,30 +275,31 @@ static __inline__ void x25_route_put(struct x25_route *rt)
 }
 
 /* x25_subr.c */
-extern void x25_clear_queues(struct sock *);
-extern void x25_frames_acked(struct sock *, unsigned short);
-extern void x25_requeue_frames(struct sock *);
-extern int  x25_validate_nr(struct sock *, unsigned short);
-extern void x25_write_internal(struct sock *, int);
-extern int  x25_decode(struct sock *, struct sk_buff *, int *, int *, int *, int *, int *);
-extern void x25_disconnect(struct sock *, int, unsigned char, unsigned char);
+void x25_clear_queues(struct sock *);
+void x25_frames_acked(struct sock *, unsigned short);
+void x25_requeue_frames(struct sock *);
+int x25_validate_nr(struct sock *, unsigned short);
+void x25_write_internal(struct sock *, int);
+int x25_decode(struct sock *, struct sk_buff *, int *, int *, int *, int *,
+	       int *);
+void x25_disconnect(struct sock *, int, unsigned char, unsigned char);
 
 /* x25_timer.c */
-extern void x25_init_timers(struct sock *sk);
-extern void x25_start_heartbeat(struct sock *);
-extern void x25_start_t2timer(struct sock *);
-extern void x25_start_t21timer(struct sock *);
-extern void x25_start_t22timer(struct sock *);
-extern void x25_start_t23timer(struct sock *);
-extern void x25_stop_heartbeat(struct sock *);
-extern void x25_stop_timer(struct sock *);
-extern unsigned long x25_display_timer(struct sock *);
-extern void x25_check_rbuf(struct sock *);
+void x25_init_timers(struct sock *sk);
+void x25_start_heartbeat(struct sock *);
+void x25_start_t2timer(struct sock *);
+void x25_start_t21timer(struct sock *);
+void x25_start_t22timer(struct sock *);
+void x25_start_t23timer(struct sock *);
+void x25_stop_heartbeat(struct sock *);
+void x25_stop_timer(struct sock *);
+unsigned long x25_display_timer(struct sock *);
+void x25_check_rbuf(struct sock *);
 
 /* sysctl_net_x25.c */
 #ifdef CONFIG_SYSCTL
-extern void x25_register_sysctl(void);
-extern void x25_unregister_sysctl(void);
+void x25_register_sysctl(void);
+void x25_unregister_sysctl(void);
 #else
 static inline void x25_register_sysctl(void) {};
 static inline void x25_unregister_sysctl(void) {};
@@ -318,6 +319,6 @@ extern rwlock_t x25_forward_list_lock;
 extern struct list_head x25_neigh_list;
 extern rwlock_t x25_neigh_list_lock;
 
-extern int x25_proc_init(void);
-extern void x25_proc_exit(void);
+int x25_proc_init(void);
+void x25_proc_exit(void);
 #endif