static void
 lstcon_rpc_pinger(void *arg)
 {
-       stt_timer_t *ptimer = (stt_timer_t *)arg;
+       struct stt_timer *ptimer = (struct stt_timer *)arg;
        lstcon_rpc_trans_t *trans;
        lstcon_rpc_t *crpc;
        srpc_msg_t *rep;
 int
 lstcon_rpc_pinger_start(void)
 {
-       stt_timer_t *ptimer;
+       struct stt_timer *ptimer;
        int rc;
 
        LASSERT(list_empty(&console_session.ses_rpc_freelist));
 
        __u64               ses_id_cookie;    /* batch id cookie */
        char                ses_name[LST_NAME_SIZE];/* session name */
        lstcon_rpc_trans_t  *ses_ping;        /* session pinger */
-       stt_timer_t         ses_ping_timer;   /* timer for pinger */
+       struct stt_timer         ses_ping_timer;   /* timer for pinger */
        lstcon_trans_stat_t ses_trans_stat;   /* transaction stats */
 
        struct list_head    ses_trans_list;   /* global list of transaction */
 
 sfw_add_session_timer(void)
 {
        sfw_session_t *sn = sfw_data.fw_session;
-       stt_timer_t *timer = &sn->sn_timer;
+       struct stt_timer *timer = &sn->sn_timer;
 
        LASSERT(!sfw_data.fw_shuttingdown);
 
 sfw_init_session(sfw_session_t *sn, lst_sid_t sid,
                 unsigned features, const char *name)
 {
-       stt_timer_t *timer = &sn->sn_timer;
+       struct stt_timer *timer = &sn->sn_timer;
 
        memset(sn, 0, sizeof(sfw_session_t));
        INIT_LIST_HEAD(&sn->sn_list);
 
 module_param(ping_srv_workitems, int, 0644);
 MODULE_PARM_DESC(ping_srv_workitems, "# PING server workitems");
 
-typedef struct {
+struct lst_ping_data {
        spinlock_t      pnd_lock;       /* serialize */
        int             pnd_counter;    /* sequence counter */
-} lst_ping_data_t;
+};
 
-static lst_ping_data_t  lst_ping_data;
+static struct lst_ping_data  lst_ping_data;
 
 static int
 ping_client_init(sfw_test_instance_t *tsi)
 
 static void
 srpc_add_client_rpc_timer(srpc_client_rpc_t *rpc)
 {
-       stt_timer_t *timer = &rpc->crpc_timer;
+       struct stt_timer *timer = &rpc->crpc_timer;
 
        if (!rpc->crpc_timeout)
                return;
 
        int               crpc_service;
        atomic_t          crpc_refcount;
        int               crpc_timeout;   /* # seconds to wait for reply */
-       stt_timer_t       crpc_timer;
+       struct stt_timer       crpc_timer;
        swi_workitem_t    crpc_wi;
        lnet_process_id_t crpc_dest;
 
        unsigned int     sn_timeout; /* # seconds' inactivity to expire */
        int              sn_timer_active;
        unsigned int     sn_features;
-       stt_timer_t      sn_timer;
+       struct stt_timer      sn_timer;
        struct list_head sn_batches; /* list of batches */
        char             sn_name[LST_NAME_SIZE];
        atomic_t         sn_refcount;
 
 } stt_data;
 
 void
-stt_add_timer(stt_timer_t *timer)
+stt_add_timer(struct stt_timer *timer)
 {
        struct list_head *pos;
 
 
        /* a simple insertion sort */
        list_for_each_prev(pos, STTIMER_SLOT(timer->stt_expires)) {
-               stt_timer_t *old = list_entry(pos, stt_timer_t, stt_list);
+               struct stt_timer *old = list_entry(pos, struct stt_timer,
+                                                  stt_list);
 
                if (timer->stt_expires >= old->stt_expires)
                        break;
  * another CPU.
  */
 int
-stt_del_timer(stt_timer_t *timer)
+stt_del_timer(struct stt_timer *timer)
 {
        int ret = 0;
 
 stt_expire_list(struct list_head *slot, time64_t now)
 {
        int expired = 0;
-       stt_timer_t *timer;
+       struct stt_timer *timer;
 
        while (!list_empty(slot)) {
-               timer = list_entry(slot->next, stt_timer_t, stt_list);
+               timer = list_entry(slot->next, struct stt_timer, stt_list);
 
                if (timer->stt_expires > now)
                        break;
 
 #ifndef __SELFTEST_TIMER_H__
 #define __SELFTEST_TIMER_H__
 
-typedef struct {
+struct stt_timer {
        struct list_head stt_list;
        time64_t         stt_expires;
        void             (*stt_func) (void *);
        void             *stt_data;
-} stt_timer_t;
+};
 
-void stt_add_timer(stt_timer_t *timer);
-int stt_del_timer(stt_timer_t *timer);
+void stt_add_timer(struct stt_timer *timer);
+int stt_del_timer(struct stt_timer *timer);
 int stt_startup(void);
 void stt_shutdown(void);