diff --git a/packages/strapi-plugin-content-type-builder/admin/src/containers/FormModal/index.js b/packages/strapi-plugin-content-type-builder/admin/src/containers/FormModal/index.js
index 0766c5bc24..4a7300bbd1 100644
--- a/packages/strapi-plugin-content-type-builder/admin/src/containers/FormModal/index.js
+++ b/packages/strapi-plugin-content-type-builder/admin/src/containers/FormModal/index.js
@@ -251,6 +251,7 @@ const FormModal = () => {
           data: {
             draftAndPublish: true,
           },
+          pluginOptions: {},
         });
       }
 
@@ -260,12 +261,13 @@ const FormModal = () => {
         state.modalType !== 'contentType' &&
         actionType === 'edit'
       ) {
-        const { name, collectionName, draftAndPublish, kind } = get(
+        const { name, collectionName, draftAndPublish, kind, pluginOptions } = get(
           allDataSchema,
           [...pathToSchema, 'schema'],
           {
             name: null,
             collectionName: null,
+            pluginOptions: {},
           }
         );
 
@@ -278,6 +280,7 @@ const FormModal = () => {
             collectionName,
             draftAndPublish,
             kind,
+            pluginOptions,
           },
         });
       }
diff --git a/packages/strapi-plugin-i18n/admin/src/components/CheckboxConfirmation/Wrapper.js b/packages/strapi-plugin-i18n/admin/src/components/CheckboxConfirmation/Wrapper.js
new file mode 100644
index 0000000000..89bf29a5f4
--- /dev/null
+++ b/packages/strapi-plugin-i18n/admin/src/components/CheckboxConfirmation/Wrapper.js
@@ -0,0 +1,25 @@
+import styled from 'styled-components';
+
+const Wrapper = styled.div`
+  position: relative;
+  padding-bottom: 27px;
+  label {
+    display: block;
+    margin-bottom: 1rem;
+  }
+  > p {
+    width: 100%;
+    padding-top: 10px;
+    font-size: 13px;
+    line-height: normal;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    margin-bottom: -8px;
+  }
+  input[type='checkbox'] {
+    margin-bottom: 13px;
+  }
+`;
+
+export default Wrapper;
diff --git a/packages/strapi-plugin-i18n/admin/src/components/CheckboxConfirmation/index.js b/packages/strapi-plugin-i18n/admin/src/components/CheckboxConfirmation/index.js
new file mode 100644
index 0000000000..612c72eef6
--- /dev/null
+++ b/packages/strapi-plugin-i18n/admin/src/components/CheckboxConfirmation/index.js
@@ -0,0 +1,67 @@
+import React, { useState } from 'react';
+import PropTypes from 'prop-types';
+import { useIntl } from 'react-intl';
+import { Checkbox, Text } from '@buffetjs/core';
+import { Description } from '@buffetjs/styles';
+import { ModalConfirm } from 'strapi-helper-plugin';
+import { getTrad } from '../../utils';
+import Wrapper from './Wrapper';
+
+const CheckboxConfirmation = ({ description, isCreating, label, name, onChange, ...rest }) => {
+  const { formatMessage } = useIntl();
+  const [isOpen, setIsOpen] = useState(false);
+
+  const handleChange = e => {
+    if (isCreating || e.target.value) {
+      return onChange(e);
+    }
+
+    if (!e.target.value) {
+      return setIsOpen(true);
+    }
+
+    return null;
+  };
+
+  const handleConfirm = () => {
+    onChange({ target: { name, value: false, type: 'checkbox' } });
+    setIsOpen(false);
+  };
+
+  const handleToggle = () => setIsOpen(prev => !prev);
+
+  return (
+    <>
+      <Wrapper>
+        <Checkbox {...rest} message={label} name={name} onChange={handleChange} type="checkbox" />
+        {description && <Description title={description}>{description}</Description>}
+      </Wrapper>
+      <ModalConfirm
+        confirmButtonLabel={{ id: getTrad('CheckboxConfirmation.Modal.button-confirm') }}
+        content={{ id: getTrad('CheckboxConfirmation.Modal.content') }}
+        isOpen={isOpen}
+        toggle={handleToggle}
+        onConfirm={handleConfirm}
+      >
+        <Text fontWeight="bold">
+          {formatMessage({ id: getTrad('CheckboxConfirmation.Modal.body') })}
+        </Text>
+      </ModalConfirm>
+    </>
+  );
+};
+
+CheckboxConfirmation.defaultProps = {
+  description: null,
+  isCreating: false,
+};
+
+CheckboxConfirmation.propTypes = {
+  description: PropTypes.string,
+  label: PropTypes.string.isRequired,
+  isCreating: PropTypes.bool,
+  name: PropTypes.string.isRequired,
+  onChange: PropTypes.func.isRequired,
+};
+
+export default CheckboxConfirmation;
diff --git a/packages/strapi-plugin-i18n/admin/src/index.js b/packages/strapi-plugin-i18n/admin/src/index.js
index 3c993be1d7..2a4774b85a 100644
--- a/packages/strapi-plugin-i18n/admin/src/index.js
+++ b/packages/strapi-plugin-i18n/admin/src/index.js
@@ -6,6 +6,7 @@ import pluginId from './pluginId';
 import pluginLogo from './assets/images/logo.svg';
 import trads from './translations';
 import { getTrad } from './utils';
+import CheckboxConfirmation from './components/CheckboxConfirmation';
 import SettingsPage from './containers/SettingsPage';
 import pluginPermissions from './permissions';
 
@@ -48,7 +49,7 @@ export default strapi => {
 
       if (ctbPlugin) {
         const ctbFormsAPI = ctbPlugin.apis.forms;
-        ctbFormsAPI.components.add({ id: 'localesPicker', component: () => 'locale picker' });
+        ctbFormsAPI.components.add({ id: 'checkboxConfirmation', component: CheckboxConfirmation });
 
         ctbFormsAPI.extendContentType({
           validator: () => ({
@@ -63,7 +64,7 @@ export default strapi => {
                   {
                     name: 'pluginOptions.i18n.localized',
                     description: { id: getTrad('plugin.schema.i18n.localized.description') },
-                    type: 'checkbox',
+                    type: 'checkboxConfirmation',
                     label: { id: getTrad('plugin.schema.i18n.localized.label') },
                   },
                 ],
diff --git a/packages/strapi-plugin-i18n/admin/src/middlewares.js b/packages/strapi-plugin-i18n/admin/src/middlewares.js
index e092bbc478..a77938bedd 100644
--- a/packages/strapi-plugin-i18n/admin/src/middlewares.js
+++ b/packages/strapi-plugin-i18n/admin/src/middlewares.js
@@ -1,11 +1,12 @@
+import { has } from 'lodash';
+
 const extendCTBInitialDataMiddleware = () => {
   return () => next => action => {
     if (
       action.type === 'ContentTypeBuilder/FormModal/SET_DATA_TO_EDIT' &&
-      action.modalType === 'contentType' &&
-      action.actionType === 'create'
+      action.modalType === 'contentType'
     ) {
-      const i18n = { localized: true };
+      const i18n = { localized: false };
 
       const pluginOptions =
         action.data && action.data.pluginOptions
@@ -14,7 +15,15 @@ const extendCTBInitialDataMiddleware = () => {
 
       const data = { ...action.data, pluginOptions };
 
-      return next({ ...action, data });
+      if (action.actionType === 'create') {
+        return next({ ...action, data });
+      }
+
+      // Override the action if the pluginOption config does not contain i18n
+      // In this case we need to set the proper initialData shape
+      if (!has(action.data.pluginOptions, 'i18n')) {
+        return next({ ...action, data });
+      }
     }
 
     // action is not the one we want to override
diff --git a/packages/strapi-plugin-i18n/admin/src/translations/en.json b/packages/strapi-plugin-i18n/admin/src/translations/en.json
index 287dccd9db..b8d4d25716 100644
--- a/packages/strapi-plugin-i18n/admin/src/translations/en.json
+++ b/packages/strapi-plugin-i18n/admin/src/translations/en.json
@@ -7,6 +7,9 @@
   "Settings.permissions.read.denied.description": "In order to be able to read this, make sure to get in touch with the administrator of your system.",
   "plugin.schema.i18n.localized.label": "Enable localization for this Content-Type",
   "plugin.schema.i18n.localized.description": "Allow you to have content in different locales",
+  "CheckboxConfirmation.Modal.content": "Disabling localization will engender the deletion of all your content but the one associated to your default locale (if existing).",
+  "CheckboxConfirmation.Modal.body": "Do you want to disable it?",
+  "CheckboxConfirmation.Modal.button-confirm": "Yes, disable",
   "Settings.list.description": "Configure the settings for the internationalization plugin",
   "Settings.list.empty.title": "There are no locales.",
   "Settings.list.empty.description": "This is not a usual behavior, meaning that you have eventually modified the database manually. Make sure to have at least one locale saved in your database in order to be able to use Strapi correctly.",