diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 8cab4b754be76be957968970ef11ad642a8f4247..961fea373f83e8ceb1ef0ec178b4fbe52f5de90f 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -225,17 +225,6 @@ static inline void timekeeping_clocktai(struct timespec *ts)
  */
 extern void timekeeping_inject_sleeptime64(struct timespec64 *delta);
 
-/**
- * Deprecated. Use timekeeping_inject_sleeptime64().
- */
-static inline void timekeeping_inject_sleeptime(struct timespec *delta)
-{
-	struct timespec64 delta64;
-
-	delta64 = timespec_to_timespec64(*delta);
-	timekeeping_inject_sleeptime64(&delta64);
-}
-
 /*
  * PPS accessor
  */