diff --git a/sys/compat/linuxkpi/common/include/linux/srcu.h b/sys/compat/linuxkpi/common/include/linux/srcu.h
index c9d0423a116..90e2378a858 100644
--- a/sys/compat/linuxkpi/common/include/linux/srcu.h
+++ b/sys/compat/linuxkpi/common/include/linux/srcu.h
@@ -44,6 +44,5 @@ extern void synchronize_srcu(struct srcu_struct *);
 extern void srcu_barrier(struct srcu_struct *);
 extern int init_srcu_struct(struct srcu_struct *);
 extern void cleanup_srcu_struct(struct srcu_struct *);
-extern void srcu_barrier(struct srcu_struct *);
 
 #endif					/* _LINUX_SRCU_H_ */