diff --git a/lib/hexo/index.js b/lib/hexo/index.js
index b558e6a711..ea07558e04 100644
--- a/lib/hexo/index.js
+++ b/lib/hexo/index.js
@@ -4,7 +4,6 @@ const Promise = require('bluebird');
 const { sep, join, dirname } = require('path');
 const tildify = require('tildify');
 const Database = require('warehouse');
-const _ = require('lodash');
 const { magenta, underline } = require('chalk');
 const { EventEmitter } = require('events');
 const { readFile } = require('hexo-fs');
@@ -368,7 +367,6 @@ class Hexo extends EventEmitter {
         this.url = full_url_for.call(ctx, path);
         this.config = config;
         this.theme = theme.config;
-        this._ = _;
         this.layout = 'layout';
         this.env = env;
         this.view_dir = join(theme_dir, 'layout') + sep;
diff --git a/package.json b/package.json
index 67904bf6fc..76293ca422 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,6 @@
     "hexo-log": "^1.0.0",
     "hexo-util": "^1.9.0",
     "js-yaml": "^3.12.0",
-    "lodash": "^4.17.11",
     "micromatch": "^4.0.2",
     "moment": "^2.22.2",
     "moment-timezone": "^0.5.21",