diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c
index 6c5041c5560b2..4d5591d96d8c3 100644
--- a/arch/um/os-Linux/time.c
+++ b/arch/um/os-Linux/time.c
@@ -18,12 +18,6 @@
 
 static timer_t event_high_res_timer = 0;
 
-static inline long long timeval_to_ns(const struct timeval *tv)
-{
-	return ((long long) tv->tv_sec * UM_NSEC_PER_SEC) +
-		tv->tv_usec * UM_NSEC_PER_USEC;
-}
-
 static inline long long timespec_to_ns(const struct timespec *ts)
 {
 	return ((long long) ts->tv_sec * UM_NSEC_PER_SEC) + ts->tv_nsec;