diff --git a/cgroup.c b/cgroup.c
index 39d7cad74..400ffe8b4 100644
--- a/cgroup.c
+++ b/cgroup.c
@@ -318,7 +318,6 @@ static int add_cgroup(const char *fpath, const struct stat *sb, int typeflag)
 
 		INIT_LIST_HEAD(&ncd->children);
 		ncd->n_children = 0;
-		ncd->controller = current_controller;
 		return 0;
 	}
 
diff --git a/include/cgroup.h b/include/cgroup.h
index 283f38f55..aac73485e 100644
--- a/include/cgroup.h
+++ b/include/cgroup.h
@@ -23,8 +23,6 @@ struct cgroup_dir {
 	/* more cgroup_dirs */
 	struct list_head	children;
 	unsigned int		n_children;
-
-	struct cg_controller	*controller;
 };
 
 /* This describes a particular cgroup controller, e.g. blkio or cpuset.