diff --git a/drivers/staging/sep/sep_main_mod.c b/drivers/staging/sep/sep_main_mod.c
index 197768dc5c2e..372bd3aac6e7 100644
--- a/drivers/staging/sep/sep_main_mod.c
+++ b/drivers/staging/sep/sep_main_mod.c
@@ -287,24 +287,6 @@ static int sep_lock_user_pages(unsigned long app_virt_addr, unsigned long data_s
 	FUNCTIONS
 -----------------------------------------------*/
 
-/*
-  this function locks SEP by locking the semaphore
-*/
-int sep_lock()
-{
-	mutex_lock(&sep_mutex);
-	return 0;
-}
-
-/*
-  this function unlocks SEP
-*/
-void sep_unlock()
-{
-	/* release mutex */
-	mutex_unlock(&sep_mutex);
-}
-
 /*
   this function returns the address of the message shared area
 */