diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 15354db3e865..e5ce80452b62 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -44,12 +44,6 @@ struct srcu_struct {
 #endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
 };
 
-#ifndef CONFIG_PREEMPT
-#define srcu_barrier() barrier()
-#else /* #ifndef CONFIG_PREEMPT */
-#define srcu_barrier()
-#endif /* #else #ifndef CONFIG_PREEMPT */
-
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 
 int __init_srcu_struct(struct srcu_struct *sp, const char *name,