diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index a27d61581bd6..2bcf706d9dd3 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -143,8 +143,8 @@ static void o2net_sc_postpone_idle(struct o2net_sock_container *sc);
 static void o2net_sc_reset_idle_timer(struct o2net_sock_container *sc);
 
 #ifdef CONFIG_DEBUG_FS
-void o2net_init_nst(struct o2net_send_tracking *nst, u32 msgtype,
-		    u32 msgkey, struct task_struct *task, u8 node)
+static void o2net_init_nst(struct o2net_send_tracking *nst, u32 msgtype,
+			   u32 msgkey, struct task_struct *task, u8 node)
 {
 	INIT_LIST_HEAD(&nst->st_net_debug_item);
 	nst->st_task = task;
@@ -153,31 +153,61 @@ void o2net_init_nst(struct o2net_send_tracking *nst, u32 msgtype,
 	nst->st_node = node;
 }
 
-void o2net_set_nst_sock_time(struct o2net_send_tracking *nst)
+static void o2net_set_nst_sock_time(struct o2net_send_tracking *nst)
 {
 	do_gettimeofday(&nst->st_sock_time);
 }
 
-void o2net_set_nst_send_time(struct o2net_send_tracking *nst)
+static void o2net_set_nst_send_time(struct o2net_send_tracking *nst)
 {
 	do_gettimeofday(&nst->st_send_time);
 }
 
-void o2net_set_nst_status_time(struct o2net_send_tracking *nst)
+static void o2net_set_nst_status_time(struct o2net_send_tracking *nst)
 {
 	do_gettimeofday(&nst->st_status_time);
 }
 
-void o2net_set_nst_sock_container(struct o2net_send_tracking *nst,
+static void o2net_set_nst_sock_container(struct o2net_send_tracking *nst,
 					 struct o2net_sock_container *sc)
 {
 	nst->st_sc = sc;
 }
 
-void o2net_set_nst_msg_id(struct o2net_send_tracking *nst, u32 msg_id)
+static void o2net_set_nst_msg_id(struct o2net_send_tracking *nst, u32 msg_id)
 {
 	nst->st_id = msg_id;
 }
+
+#else  /* CONFIG_DEBUG_FS */
+
+static inline void o2net_init_nst(struct o2net_send_tracking *nst, u32 msgtype,
+				  u32 msgkey, struct task_struct *task, u8 node)
+{
+}
+
+static inline void o2net_set_nst_sock_time(struct o2net_send_tracking *nst)
+{
+}
+
+static inline void o2net_set_nst_send_time(struct o2net_send_tracking *nst)
+{
+}
+
+static inline void o2net_set_nst_status_time(struct o2net_send_tracking *nst)
+{
+}
+
+static inline void o2net_set_nst_sock_container(struct o2net_send_tracking *nst,
+						struct o2net_sock_container *sc)
+{
+}
+
+static inline void o2net_set_nst_msg_id(struct o2net_send_tracking *nst,
+					u32 msg_id)
+{
+}
+
 #endif /* CONFIG_DEBUG_FS */
 
 static inline int o2net_reconnect_delay(void)
diff --git a/fs/ocfs2/cluster/tcp_internal.h b/fs/ocfs2/cluster/tcp_internal.h
index 18307ff81b77..8d58cfe410b1 100644
--- a/fs/ocfs2/cluster/tcp_internal.h
+++ b/fs/ocfs2/cluster/tcp_internal.h
@@ -224,42 +224,10 @@ struct o2net_send_tracking {
 	struct timeval			st_send_time;
 	struct timeval			st_status_time;
 };
-
-void o2net_init_nst(struct o2net_send_tracking *nst, u32 msgtype,
-		    u32 msgkey, struct task_struct *task, u8 node);
-void o2net_set_nst_sock_time(struct o2net_send_tracking *nst);
-void o2net_set_nst_send_time(struct o2net_send_tracking *nst);
-void o2net_set_nst_status_time(struct o2net_send_tracking *nst);
-void o2net_set_nst_sock_container(struct o2net_send_tracking *nst,
-				  struct o2net_sock_container *sc);
-void o2net_set_nst_msg_id(struct o2net_send_tracking *nst, u32 msg_id);
-
 #else
 struct o2net_send_tracking {
 	u32	dummy;
 };
-
-static inline void o2net_init_nst(struct o2net_send_tracking *nst, u32 msgtype,
-				  u32 msgkey, struct task_struct *task, u8 node)
-{
-}
-static inline void o2net_set_nst_sock_time(struct o2net_send_tracking *nst)
-{
-}
-static inline void o2net_set_nst_send_time(struct o2net_send_tracking *nst)
-{
-}
-static inline void o2net_set_nst_status_time(struct o2net_send_tracking *nst)
-{
-}
-static inline void o2net_set_nst_sock_container(struct o2net_send_tracking *nst,
-						struct o2net_sock_container *sc)
-{
-}
-static inline void o2net_set_nst_msg_id(struct o2net_send_tracking *nst,
-					u32 msg_id)
-{
-}
 #endif	/* CONFIG_DEBUG_FS */
 
 #endif /* O2CLUSTER_TCP_INTERNAL_H */