remove need for Pager.PageType
diff --git a/openstack/blockstorage/v1/volumes/requests.go b/openstack/blockstorage/v1/volumes/requests.go
index af18e7e..e67ba10 100644
--- a/openstack/blockstorage/v1/volumes/requests.go
+++ b/openstack/blockstorage/v1/volumes/requests.go
@@ -152,9 +152,8 @@
 	createPage := func(r pagination.PageResult) pagination.Page {
 		return ListResult{pagination.SinglePageBase(r)}
 	}
-	p := pagination.NewPager(client, url, createPage)
-	p.PageType = ListResult{}
-	return p
+
+	return pagination.NewPager(client, url, createPage)
 }
 
 // UpdateOptsBuilder allows extensions to add additional parameters to the