diff --git a/addons/timer/static/src/js/timer_toggle_button.js b/addons/timer/static/src/js/timer_toggle_button.js
deleted file mode 100644
index d189d996502..00000000000
--- a/addons/timer/static/src/js/timer_toggle_button.js
+++ /dev/null
@@ -1,79 +0,0 @@
-odoo.define('timer.timer_toggle_button', function (require) {
-"use strict";
-
-const fieldRegistry = require('web.field_registry');
-const { FieldToggleBoolean } = require("web.basic_fields");
-const { _lt } = require('web.core');
-
-/**
- * The TimerToggleButton is used to display correctly the button
- * to start or stop a timer for a timesheet in kanban, list and grid
- * views.
- */
-const TimerToggleButton = FieldToggleBoolean.extend({
-    /**
-     * @override
-     * @private
-     */
-    _render: function () {
-        // When the is_timer_running field is false, then the button is used to start the timer
-        const title = this.value ? _lt('Stop') : _lt('Play');
-        const name = this.value ? 'action_timer_stop' : 'action_timer_start';
-        const label = this.value ? _lt('Stop') : _lt('Start');
-
-        this.$('i')
-            .addClass('fa')
-            .toggleClass('fa-stop-circle o-timer-stop-button', this.value)
-            .toggleClass('fa-play-circle o-timer-play-button', !this.value)
-            .attr('title', title);
-
-        this.$el.addClass('o-timer-button');
-        this.$el.attr('title', title);
-        this.$el.attr('name', name);
-        this.$el.attr('aria-label', label);
-        this.$el.attr('aria-pressed', this.value);
-        this.$el.attr('type', 'button');
-        this.$el.attr('role', 'button');
-    },
-    /**
-     * Toggle the button
-     *
-     * When the user click on this button,
-     *  -   the action "action_timer_start" is called
-     *      into the account.analytic.line model,
-     *      if the value of is_timer_running field is set on false.
-     *  -   the action "action_timer_stop" is called
-     *      into the account.analytic.line model,
-     *      if the value of is_timer_running field is set on true.
-     * Then we change the value of the is_timer_running.
-     * @override
-     * @private
-     * @param {MouseEvent} event
-     */
-    _onToggleButton: async function (event) {
-        const context = this.record.getContext();
-        event.stopPropagation();
-        const result = await this._rpc({
-            model: this.model,
-            method: this._getActionButton(),
-            context: context,
-            args: [this.res_id]
-        });
-
-        this.trigger_up('timer_changed', {
-            id: this.res_id,
-            is_timer_running: !this.value
-        });
-
-        this._setValue(!this.value);
-    },
-    _getActionButton: function () {
-        return this.value ? 'action_timer_stop' : 'action_timer_start';
-    }
-});
-
-fieldRegistry.add('timer_toggle_button', TimerToggleButton);
-
-return TimerToggleButton;
-
-});