From e2ad7dad5415e3d77b97eaf7beecb7e756937b17 Mon Sep 17 00:00:00 2001
From: mayingchun <mayingchun321@gmail.com>
Date: Mon, 5 Apr 2021 13:58:20 +0800
Subject: [PATCH] delete an unnecessary forward declaration

---
 db/skiplist.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/db/skiplist.h b/db/skiplist.h
index a59b45b..00f4132 100644
--- a/db/skiplist.h
+++ b/db/skiplist.h
@@ -36,8 +36,6 @@
 
 namespace leveldb {
 
-class Arena;
-
 template <typename Key, class Comparator>
 class SkipList {
  private: