diff --git a/addons/web/static/src/js/tools/tools.js b/addons/web/static/src/js/tools/tools.js
new file mode 100644
index 00000000000..f886d80d3c5
--- /dev/null
+++ b/addons/web/static/src/js/tools/tools.js
@@ -0,0 +1,22 @@
+odoo.define('web.tools', function (require) {
+"use strict";
+
+/**
+ * Wrapper for deprecated functions that display a warning message.
+ *
+ * @param {Function} fn the deprecated function
+ * @param {string} [message=''] optional message to display
+ * @returns {Function}
+ */
+function deprecated(fn, message) {
+    return function () {
+        console.warn(message || (fn.name + ' is deprecated.'));
+        fn.apply(this, arguments);
+    };
+}
+
+return {
+    deprecated: deprecated,
+};
+
+});
diff --git a/addons/web/static/tests/helpers/test_utils.js b/addons/web/static/tests/helpers/test_utils.js
index 2ecc30b3872..8529cae52fb 100644
--- a/addons/web/static/tests/helpers/test_utils.js
+++ b/addons/web/static/tests/helpers/test_utils.js
@@ -22,6 +22,13 @@ var testUtilsKanban = require('web.test_utils_kanban');
 var testUtilsMock = require('web.test_utils_mock');
 var testUtilsModal = require('web.test_utils_modal');
 var testUtilsPivot = require('web.test_utils_pivot');
+var tools = require('web.tools');
+
+function deprecated(fn, type) {
+    var msg = `Helper 'testUtils.${fn.name}' is deprecated. ` +
+        `Please use 'testUtils.${type}.${fn.name}' instead.`;
+    return tools.deprecated(fn, msg);
+};
 
 // Loading static files cannot be properly simulated when their real content is
 // really needed. This is the case for static XML files so we load them here,
@@ -99,6 +106,19 @@ return $.when(
         createView: testUtilsCreate.createView,
         createModel: testUtilsCreate.createModel,
         createParent: testUtilsCreate.createParent,
+
+        // backward-compatibility
+        addMockEnvironment: deprecated(testUtilsMock.addMockEnvironment, 'mock'),
+        dragAndDrop: deprecated(testUtilsDom.dragAndDrop, 'dom'),
+        fieldsViewGet: deprecated(testUtilsMock.fieldsViewGet, 'mock'),
+        intercept: deprecated(testUtilsMock.intercept, 'mock'),
+        openDatepicker: deprecated(testUtilsDom.openDatepicker, 'dom'),
+        patch: deprecated(testUtilsMock.patch, 'mock'),
+        patchDate: deprecated(testUtilsMock.patchDate, 'mock'),
+        triggerKeypressEvent: deprecated(testUtilsDom.triggerKeypressEvent, 'dom'),
+        triggerMouseEvent: deprecated(testUtilsDom.triggerMouseEvent, 'dom'),
+        triggerPositionalMouseEvent: deprecated(testUtilsDom.triggerPositionalMouseEvent, 'dom'),
+        unpatch: deprecated(testUtilsMock.unpatch, 'mock'),
     };
 });
 
diff --git a/addons/web/views/webclient_templates.xml b/addons/web/views/webclient_templates.xml
index 15b4c49dcd6..e7729ab9fad 100644
--- a/addons/web/views/webclient_templates.xml
+++ b/addons/web/views/webclient_templates.xml
@@ -223,6 +223,7 @@
         <script type="text/javascript" src="/web/static/src/js/widgets/change_password.js"></script>
         <script type="text/javascript" src="/web/static/src/js/tools/debug_manager.js"></script>
         <script type="text/javascript" src="/web/static/src/js/tools/test_menus_loader.js"/>
+        <script type="text/javascript" src="/web/static/src/js/tools/tools.js"></script>
         <script type="text/javascript" src="/web/static/src/js/widgets/data_export.js"></script>
         <script type="text/javascript" src="/web/static/src/js/widgets/date_picker.js"></script>
         <script type="text/javascript" src="/web/static/src/js/widgets/domain_selector_dialog.js"></script>