diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs.h b/drivers/staging/lustre/include/linux/libcfs/libcfs.h
index 259a33658d3f..385ced15c742 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs.h
@@ -62,9 +62,6 @@ static inline int __is_po2(unsigned long long val)
 
 #include <linux/list.h>
 
-int libcfs_arch_init(void);
-void libcfs_arch_cleanup(void);
-
 /* need both kernel and user-land acceptor */
 #define LNET_ACCEPTOR_MIN_RESERVED_PORT    512
 #define LNET_ACCEPTOR_MAX_RESERVED_PORT    1023
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h
index 62ade0809264..082fe6de90e4 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h
@@ -40,20 +40,8 @@
 #ifndef __LIBCFS_PRIM_H__
 #define __LIBCFS_PRIM_H__
 
-/*
- * Timer
- */
-typedef  void (cfs_timer_func_t)(ulong_ptr_t);
-
 void add_wait_queue_exclusive_head(wait_queue_head_t *, wait_queue_t *);
 
-void cfs_init_timer(struct timer_list *t);
-void cfs_timer_init(struct timer_list *t, cfs_timer_func_t *func, void *arg);
-void cfs_timer_arm(struct timer_list *t, unsigned long deadline);
-void cfs_timer_disarm(struct timer_list *t);
-int  cfs_timer_is_armed(struct timer_list *t);
-unsigned long cfs_timer_deadline(struct timer_list *t);
-
 /*
  * Memory
  */
diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-prim.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-prim.c
index 12b6af4cac3e..89084460231a 100644
--- a/drivers/staging/lustre/lustre/libcfs/linux/linux-prim.c
+++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-prim.c
@@ -70,55 +70,6 @@ add_wait_queue_exclusive_head(wait_queue_head_t *waitq, wait_queue_t *link)
 }
 EXPORT_SYMBOL(add_wait_queue_exclusive_head);
 
-void cfs_init_timer(struct timer_list *t)
-{
-	init_timer(t);
-}
-EXPORT_SYMBOL(cfs_init_timer);
-
-void cfs_timer_init(struct timer_list *t, cfs_timer_func_t *func, void *arg)
-{
-	init_timer(t);
-	t->function = func;
-	t->data = (unsigned long)arg;
-}
-EXPORT_SYMBOL(cfs_timer_init);
-
-void cfs_timer_arm(struct timer_list *t, unsigned long deadline)
-{
-	mod_timer(t, deadline);
-}
-EXPORT_SYMBOL(cfs_timer_arm);
-
-void cfs_timer_disarm(struct timer_list *t)
-{
-	del_timer(t);
-}
-EXPORT_SYMBOL(cfs_timer_disarm);
-
-int  cfs_timer_is_armed(struct timer_list *t)
-{
-	return timer_pending(t);
-}
-EXPORT_SYMBOL(cfs_timer_is_armed);
-
-unsigned long cfs_timer_deadline(struct timer_list *t)
-{
-	return t->expires;
-}
-EXPORT_SYMBOL(cfs_timer_deadline);
-
-void cfs_enter_debugger(void)
-{
-#if defined(CONFIG_KGDB)
-	/* BREAKPOINT(); */
-#else
-	/* nothing */
-#endif
-}
-EXPORT_SYMBOL(cfs_enter_debugger);
-
-
 sigset_t
 cfs_block_allsigs(void)
 {
@@ -194,18 +145,3 @@ cfs_clear_sigpending(void)
 	spin_unlock_irqrestore(&current->sighand->siglock, flags);
 }
 EXPORT_SYMBOL(cfs_clear_sigpending);
-
-int
-libcfs_arch_init(void)
-{
-	return 0;
-}
-EXPORT_SYMBOL(libcfs_arch_init);
-
-void
-libcfs_arch_cleanup(void)
-{
-	return;
-}
-EXPORT_SYMBOL(libcfs_arch_cleanup);
-
diff --git a/drivers/staging/lustre/lustre/libcfs/module.c b/drivers/staging/lustre/lustre/libcfs/module.c
index a19f5796b642..5e4262a2e6f3 100644
--- a/drivers/staging/lustre/lustre/libcfs/module.c
+++ b/drivers/staging/lustre/lustre/libcfs/module.c
@@ -701,7 +701,6 @@ static int init_libcfs_module(void)
 {
 	int rc;
 
-	libcfs_arch_init();
 	libcfs_init_nidstrings();
 
 	rc = libcfs_debug_init(5 * 1024 * 1024);
@@ -777,8 +776,6 @@ static void exit_libcfs_module(void)
 	rc = libcfs_debug_cleanup();
 	if (rc)
 		pr_err("LustreError: libcfs_debug_cleanup: %d\n", rc);
-
-	libcfs_arch_cleanup();
 }
 
 MODULE_VERSION("1.0.0");
diff --git a/drivers/staging/lustre/lustre/ptlrpc/service.c b/drivers/staging/lustre/lustre/ptlrpc/service.c
index 27d1030049a3..6483642b771c 100644
--- a/drivers/staging/lustre/lustre/ptlrpc/service.c
+++ b/drivers/staging/lustre/lustre/ptlrpc/service.c
@@ -649,7 +649,9 @@ ptlrpc_service_part_init(struct ptlrpc_service *svc,
 	if (array->paa_reqs_count == NULL)
 		goto free_reqs_array;
 
-	cfs_timer_init(&svcpt->scp_at_timer, ptlrpc_at_timer, svcpt);
+	setup_timer(&svcpt->scp_at_timer, ptlrpc_at_timer,
+		    (unsigned long)svcpt);
+
 	/* At SOW, service time should be quick; 10s seems generous. If client
 	 * timeout is less than this, we'll be sending an early reply. */
 	at_init(&svcpt->scp_at_estimate, 10, 0);
@@ -1124,7 +1126,7 @@ static void ptlrpc_at_set_timer(struct ptlrpc_service_part *svcpt)
 	__s32 next;
 
 	if (array->paa_count == 0) {
-		cfs_timer_disarm(&svcpt->scp_at_timer);
+		del_timer(&svcpt->scp_at_timer);
 		return;
 	}
 
@@ -1134,7 +1136,7 @@ static void ptlrpc_at_set_timer(struct ptlrpc_service_part *svcpt)
 	if (next <= 0) {
 		ptlrpc_at_timer((unsigned long)svcpt);
 	} else {
-		cfs_timer_arm(&svcpt->scp_at_timer, cfs_time_shift(next));
+		mod_timer(&svcpt->scp_at_timer, cfs_time_shift(next));
 		CDEBUG(D_INFO, "armed %s at %+ds\n",
 		       svcpt->scp_service->srv_name, next);
 	}
@@ -2840,7 +2842,7 @@ ptlrpc_service_del_atimer(struct ptlrpc_service *svc)
 	/* early disarm AT timer... */
 	ptlrpc_service_for_each_part(svcpt, i, svc) {
 		if (svcpt->scp_service != NULL)
-			cfs_timer_disarm(&svcpt->scp_at_timer);
+			del_timer(&svcpt->scp_at_timer);
 	}
 }
 
@@ -2980,7 +2982,7 @@ ptlrpc_service_free(struct ptlrpc_service *svc)
 			break;
 
 		/* In case somebody rearmed this in the meantime */
-		cfs_timer_disarm(&svcpt->scp_at_timer);
+		del_timer(&svcpt->scp_at_timer);
 		array = &svcpt->scp_at_array;
 
 		kfree(array->paa_reqs_array);