From 59bc87e4098dd020b9a7bada7917e28bbde73ee4 Mon Sep 17 00:00:00 2001
From: lgbo-ustc <lgbo.ustc@gmail.com>
Date: Thu, 23 Dec 2021 17:53:19 +0800
Subject: [PATCH] remove unused errorcode

---
 src/Common/ErrorCodes.cpp | 2 --
 src/Common/LRUCache.h     | 5 -----
 2 files changed, 7 deletions(-)

diff --git a/src/Common/ErrorCodes.cpp b/src/Common/ErrorCodes.cpp
index 07e05683340..70d85433513 100644
--- a/src/Common/ErrorCodes.cpp
+++ b/src/Common/ErrorCodes.cpp
@@ -604,8 +604,6 @@
     M(633, QUERY_IS_NOT_SUPPORTED_IN_WINDOW_VIEW) \
     M(634, MONGODB_ERROR) \
     \
-    M(656, CANNOT_RELEASE) \
-    \
     M(999, KEEPER_EXCEPTION) \
     M(1000, POCO_EXCEPTION) \
     M(1001, STD_EXCEPTION) \
diff --git a/src/Common/LRUCache.h b/src/Common/LRUCache.h
index c503619a7d0..4919bbffc32 100644
--- a/src/Common/LRUCache.h
+++ b/src/Common/LRUCache.h
@@ -12,11 +12,6 @@
 
 namespace DB
 {
-namespace ErrorCodes
-{
-    extern const int CANNOT_RELEASE;
-}
-
 template <typename T>
 struct TrivialWeightFunction
 {