diff --git a/apisix/core/config_etcd.lua b/apisix/core/config_etcd.lua
index 609e8728be19..0d9dc89af99c 100644
--- a/apisix/core/config_etcd.lua
+++ b/apisix/core/config_etcd.lua
@@ -18,7 +18,6 @@
 --- Get configuration information.
 --
 -- @module core.config_etcd
-local inspect = require("inspect")
 local table        = require("apisix.core.table")
 local config_local = require("apisix.core.config_local")
 local log          = require("apisix.core.log")