diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 62413c3..6a1ab64 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -435,9 +435,7 @@
 	int (*can_fork)(struct task_struct *task, void **priv_p);
 	void (*cancel_fork)(struct task_struct *task, void *priv);
 	void (*fork)(struct task_struct *task, void *priv);
-	void (*exit)(struct cgroup_subsys_state *css,
-		     struct cgroup_subsys_state *old_css,
-		     struct task_struct *task);
+	void (*exit)(struct task_struct *task);
 	void (*bind)(struct cgroup_subsys_state *root_css);
 
 	int early_init;