diff --git a/include/net/cls_cgroup.h b/include/net/cls_cgroup.h
index 0fee0617fb7d243728583ee351de284f36aca14a..f55c14510bd60e06930e1f95850b0d9ea6d38649 100644
--- a/include/net/cls_cgroup.h
+++ b/include/net/cls_cgroup.h
@@ -24,7 +24,7 @@ struct cgroup_cls_state
 	u32 classid;
 };
 
-extern void sock_update_classid(struct sock *sk);
+void sock_update_classid(struct sock *sk);
 
 #if IS_BUILTIN(CONFIG_NET_CLS_CGROUP)
 static inline u32 task_cls_classid(struct task_struct *p)
diff --git a/include/net/netprio_cgroup.h b/include/net/netprio_cgroup.h
index 50ab8c26ab59b7ebe840e50d6f696d16f32969b8..379dd5db0f2f3d08955a2632c90a0d9633732c31 100644
--- a/include/net/netprio_cgroup.h
+++ b/include/net/netprio_cgroup.h
@@ -29,7 +29,7 @@ struct cgroup_netprio_state {
 	struct cgroup_subsys_state css;
 };
 
-extern void sock_update_netprioidx(struct sock *sk);
+void sock_update_netprioidx(struct sock *sk);
 
 #if IS_BUILTIN(CONFIG_NETPRIO_CGROUP)