diff --git a/addons/web_editor/__manifest__.py b/addons/web_editor/__manifest__.py
index 3cdffac7512..84852472d4d 100644
--- a/addons/web_editor/__manifest__.py
+++ b/addons/web_editor/__manifest__.py
@@ -70,7 +70,6 @@ Odoo Web Editor widget.
             'web_editor/static/src/scss/wysiwyg_iframe.scss',
             'web_editor/static/src/scss/wysiwyg_snippets.scss',
 
-            'web_editor/static/src/js/base.js',
             'web_editor/static/src/js/editor/perspective_utils.js',
             'web_editor/static/src/js/editor/image_processing.js',
             'web_editor/static/src/js/editor/custom_colors.js',
diff --git a/addons/web_editor/static/src/js/base.js b/addons/web_editor/static/src/js/base.js
deleted file mode 100644
index 0bbda3bfcea..00000000000
--- a/addons/web_editor/static/src/js/base.js
+++ /dev/null
@@ -1,136 +0,0 @@
-odoo.define('web_editor.base', function (require) {
-'use strict';
-
-// TODO this should be re-removed as soon as possible.
-
-var ajax = require('web.ajax');
-var session = require('web.session');
-
-var domReady = new Promise(function(resolve) {
-    $(resolve);
-});
-
-return {
-    /**
-     * Retrieves all the CSS rules which match the given parser (Regex).
-     *
-     * @param {Regex} filter
-     * @returns {Object[]} Array of CSS rules descriptions (objects). A rule is
-     *          defined by 3 values: 'selector', 'css' and 'names'. 'selector'
-     *          is a string which contains the whole selector, 'css' is a string
-     *          which contains the css properties and 'names' is an array of the
-     *          first captured groups for each selector part. E.g.: if the
-     *          filter is set to match .fa-* rules and capture the icon names,
-     *          the rule:
-     *              '.fa-alias1::before, .fa-alias2::before { hello: world; }'
-     *          will be retrieved as
-     *              {
-     *                  selector: '.fa-alias1::before, .fa-alias2::before',
-     *                  css: 'hello: world;',
-     *                  names: ['.fa-alias1', '.fa-alias2'],
-     *              }
-     */
-    cacheCssSelectors: {},
-    getCssSelectors: function (filter) {
-        if (this.cacheCssSelectors[filter]) {
-            return this.cacheCssSelectors[filter];
-        }
-        this.cacheCssSelectors[filter] = [];
-        var sheets = document.styleSheets;
-        for (var i = 0; i < sheets.length; i++) {
-            var rules;
-            try {
-                // try...catch because Firefox not able to enumerate
-                // document.styleSheets[].cssRules[] for cross-domain
-                // stylesheets.
-                rules = sheets[i].rules || sheets[i].cssRules;
-            } catch (e) {
-                console.warn("Can't read the css rules of: " + sheets[i].href, e);
-                continue;
-            }
-            if (!rules) {
-                continue;
-            }
-
-            for (var r = 0 ; r < rules.length ; r++) {
-                var selectorText = rules[r].selectorText;
-                if (!selectorText) {
-                    continue;
-                }
-                var selectors = selectorText.split(/\s*,\s*/);
-                var data = null;
-                for (var s = 0; s < selectors.length; s++) {
-                    var match = selectors[s].trim().match(filter);
-                    if (!match) {
-                        continue;
-                    }
-                    if (!data) {
-                        data = {
-                            selector: match[0],
-                            css: rules[r].cssText.replace(/(^.*\{\s*)|(\s*\}\s*$)/g, ''),
-                            names: [match[1]]
-                        };
-                    } else {
-                        data.selector += (', ' + match[0]);
-                        data.names.push(match[1]);
-                    }
-                }
-                if (data) {
-                    this.cacheCssSelectors[filter].push(data);
-                }
-            }
-        }
-        return this.cacheCssSelectors[filter];
-    },
-    /**
-     * List of font icons to load by editor. The icons are displayed in the media
-     * editor and identified like font and image (can be colored, spinned, resized
-     * with fa classes).
-     * To add font, push a new object {base, parser}
-     *
-     * - base: class who appear on all fonts
-     * - parser: regular expression used to select all font in css stylesheets
-     *
-     * @type Array
-     */
-    fontIcons: [{base: 'fa', parser: /\.(fa-(?:\w|-)+)::?before/i}],
-    /**
-     * Searches the fonts described by the @see fontIcons variable.
-     */
-    computeFonts: _.once(function () {
-        var self = this;
-        _.each(this.fontIcons, function (data) {
-            data.cssData = self.getCssSelectors(data.parser);
-            data.alias = _.flatten(_.map(data.cssData, _.property('names')));
-        });
-    }),
-    /**
-     * If a widget needs to be instantiated on page loading, it needs to wait
-     * for appropriate resources to be loaded. This function returns a Promise
-     * which is resolved when the dom is ready, the session is bound
-     * (translations loaded) and the XML is loaded. This should however not be
-     * necessary anymore as widgets should not be parentless and should then be
-     * instantiated (directly or not) by the page main component (webclient,
-     * website root, editor bar, ...). The DOM will be ready then, the main
-     * component is in charge of waiting for the session and the XML can be
-     * lazy loaded thanks to the @see Widget.xmlDependencies key.
-     *
-     * @returns {Promise}
-     */
-    ready: function () {
-        return Promise.all([domReady, session.is_bound, ajax.loadXML()]);
-    },
-};
-});
-
-//==============================================================================
-
-odoo.define('web_editor.ready', function (require) {
-'use strict';
-
-// TODO this should be re-removed as soon as possible.
-
-var base = require('web_editor.base');
-
-return base.ready();
-});