diff --git a/cms/djangoapps/contentstore/rest_api/v0/views/tabs.py b/cms/djangoapps/contentstore/rest_api/v0/views/tabs.py
index fa38dccc4977..968af2246aa3 100644
--- a/cms/djangoapps/contentstore/rest_api/v0/views/tabs.py
+++ b/cms/djangoapps/contentstore/rest_api/v0/views/tabs.py
@@ -13,7 +13,6 @@
 from common.djangoapps.student.auth import has_studio_read_access, has_studio_write_access
 from openedx.core.lib.api.view_utils import DeveloperErrorViewMixin, verify_course_exists, view_auth_classes
 from ..serializers import CourseTabSerializer, CourseTabUpdateSerializer, TabIDLocatorSerializer
-from ....toggles import use_new_custom_pages
 from ....views.tabs import edit_tab_handler, get_course_tabs, reorder_tabs_handler
 
 
@@ -79,24 +78,20 @@ def get(self, request: Request, course_id: str) -> Response:
         ```
         """
         course_key = CourseKey.from_string(course_id)
-        if not use_new_custom_pages(course_key):
-            return Response(status=status.HTTP_403_FORBIDDEN)
         if not has_studio_read_access(request.user, course_key):
             self.permission_denied(request)
 
         course_block = modulestore().get_course(course_key)
         tabs_to_render = get_course_tabs(course_block, request.user)
         serializedCourseTabs = CourseTabSerializer(tabs_to_render, many=True).data
-        if use_new_custom_pages(course_key):
-            json_tabs = []
-            for tab in serializedCourseTabs:
-                if tab.get('type') == 'static_tab':
-                    url_slug = tab.get('settings').get('url_slug')
-                    static_tab_loc = course_block.id.make_usage_key("static_tab", url_slug)
-                    tab["id"] = str(static_tab_loc)
-                    json_tabs.append(tab)
-            return Response(json_tabs)
-        return Response(serializedCourseTabs)
+        json_tabs = []
+        for tab in serializedCourseTabs:
+            if tab.get('type') == 'static_tab':
+                url_slug = tab.get('settings').get('url_slug')
+                static_tab_loc = course_block.id.make_usage_key("static_tab", url_slug)
+                tab["id"] = str(static_tab_loc)
+                json_tabs.append(tab)
+        return Response(json_tabs)
 
 
 @view_auth_classes(is_authenticated=True)
diff --git a/cms/djangoapps/contentstore/rest_api/v1/serializers/course_waffle_flags.py b/cms/djangoapps/contentstore/rest_api/v1/serializers/course_waffle_flags.py
index bb8667ea9cdf..2d0785459069 100644
--- a/cms/djangoapps/contentstore/rest_api/v1/serializers/course_waffle_flags.py
+++ b/cms/djangoapps/contentstore/rest_api/v1/serializers/course_waffle_flags.py
@@ -52,10 +52,15 @@ def get_use_new_home_page(self, obj):
 
     def get_use_new_custom_pages(self, obj):
         """
-        Method to get the use_new_custom_pages switch
+        Method to indicate whether or not to use the new custom pages
+
+        This used to be based on a waffle flag but the flag is being removed so we
+        default it to true for now until we can remove the need for it from the consumers
+        of this serializer and the related APIs.
+
+        See https://github.com/openedx/edx-platform/issues/37497
         """
-        course_key = self.get_course_key()
-        return toggles.use_new_custom_pages(course_key)
+        return True
 
     def get_use_new_schedule_details_page(self, obj):
         """
diff --git a/cms/djangoapps/contentstore/tests/test_contentstore.py b/cms/djangoapps/contentstore/tests/test_contentstore.py
index ebd14a470125..1be328d76590 100644
--- a/cms/djangoapps/contentstore/tests/test_contentstore.py
+++ b/cms/djangoapps/contentstore/tests/test_contentstore.py
@@ -1498,8 +1498,6 @@ def test_get_json(handler):
             test_get_html('export_handler')
         with override_waffle_flag(toggles.LEGACY_STUDIO_COURSE_TEAM, True):
             test_get_html('course_team_handler')
-        with override_waffle_flag(toggles.LEGACY_STUDIO_CUSTOM_PAGES, True):
-            test_get_html('tabs_handler')
         with override_waffle_flag(toggles.LEGACY_STUDIO_SCHEDULE_DETAILS, True):
             test_get_html('settings_handler')
         with override_waffle_flag(toggles.LEGACY_STUDIO_GRADING, True):
@@ -1518,6 +1516,11 @@ def test_get_json(handler):
         resp = self.client.get(course_updates_url)
         assert resp.status_code == 200
 
+        resp = self.client.get(
+            get_url('cms.djangoapps.contentstore:v0:course_tab_list', course_key, 'course_id')
+        )
+        self.assertEqual(resp.status_code, 200)
+
         # go look at the Edit page
         unit_key = course_key.make_usage_key('vertical', 'test_vertical')
         with override_waffle_flag(toggles.LEGACY_STUDIO_UNIT_EDITOR, True):
diff --git a/cms/djangoapps/contentstore/tests/test_course_settings.py b/cms/djangoapps/contentstore/tests/test_course_settings.py
index 605549d2e427..ac8d9d3ebae9 100644
--- a/cms/djangoapps/contentstore/tests/test_course_settings.py
+++ b/cms/djangoapps/contentstore/tests/test_course_settings.py
@@ -167,7 +167,6 @@ def test_discussion_fields_available(self, is_pages_and_resources_enabled,
     @override_waffle_flag(toggles.LEGACY_STUDIO_IMPORT, True)
     @override_waffle_flag(toggles.LEGACY_STUDIO_EXPORT, True)
     @override_waffle_flag(toggles.LEGACY_STUDIO_COURSE_TEAM, True)
-    @override_waffle_flag(toggles.LEGACY_STUDIO_CUSTOM_PAGES, True)
     @override_waffle_flag(toggles.LEGACY_STUDIO_SCHEDULE_DETAILS, True)
     @override_waffle_flag(toggles.LEGACY_STUDIO_GRADING, True)
     def test_disable_advanced_settings_feature(self, disable_advanced_settings):
@@ -184,7 +183,6 @@ def test_disable_advanced_settings_feature(self, disable_advanced_settings):
                 'import_handler',
                 'export_handler',
                 'course_team_handler',
-                'tabs_handler',
                 'settings_handler',
                 'grading_handler',
             ):
diff --git a/cms/djangoapps/contentstore/toggles.py b/cms/djangoapps/contentstore/toggles.py
index bca1bb336373..1f5924163bd2 100644
--- a/cms/djangoapps/contentstore/toggles.py
+++ b/cms/djangoapps/contentstore/toggles.py
@@ -162,25 +162,6 @@ def individualize_anonymous_user_id(course_id):
     return INDIVIDUALIZE_ANONYMOUS_USER_ID.is_enabled(course_id)
 
 
-# .. toggle_name: legacy_studio.custom_pages
-# .. toggle_implementation: WaffleFlag
-# .. toggle_default: False
-# .. toggle_description: Temporarily fall back to the old Studio custom pages tab.
-# .. toggle_use_cases: temporary
-# .. toggle_creation_date: 2025-03-14
-# .. toggle_target_removal_date: 2025-09-14
-# .. toggle_tickets: https://github.com/openedx/edx-platform/issues/36275
-# .. toggle_warning: In Ulmo, this toggle will be removed. Only the new (React-based) experience will be available.
-LEGACY_STUDIO_CUSTOM_PAGES = CourseWaffleFlag("legacy_studio.custom_pages", __name__)
-
-
-def use_new_custom_pages(course_key):
-    """
-    Returns a boolean if new studio custom pages mfe is enabled
-    """
-    return not LEGACY_STUDIO_CUSTOM_PAGES.is_enabled(course_key)
-
-
 # .. toggle_name: contentstore.use_react_markdown_editor
 # .. toggle_implementation: CourseWaffleFlag
 # .. toggle_default: False
diff --git a/cms/djangoapps/contentstore/utils.py b/cms/djangoapps/contentstore/utils.py
index 6fe495a0d4e7..e04d9884ea64 100644
--- a/cms/djangoapps/contentstore/utils.py
+++ b/cms/djangoapps/contentstore/utils.py
@@ -44,7 +44,6 @@
     use_new_advanced_settings_page,
     use_new_certificates_page,
     use_new_course_team_page,
-    use_new_custom_pages,
     use_new_export_page,
     use_new_grading_page,
     use_new_group_configurations_page,
@@ -514,11 +513,10 @@ def get_custom_pages_url(course_locator) -> str:
     Gets course authoring microfrontend URL for custom pages view.
     """
     custom_pages_url = None
-    if use_new_custom_pages(course_locator):
-        mfe_base_url = get_course_authoring_url(course_locator)
-        course_mfe_url = f'{mfe_base_url}/course/{course_locator}/custom-pages'
-        if mfe_base_url:
-            custom_pages_url = course_mfe_url
+    mfe_base_url = get_course_authoring_url(course_locator)
+    course_mfe_url = f'{mfe_base_url}/course/{course_locator}/custom-pages'
+    if mfe_base_url:
+        custom_pages_url = course_mfe_url
     return custom_pages_url
 
 
diff --git a/cms/djangoapps/contentstore/views/tabs.py b/cms/djangoapps/contentstore/views/tabs.py
index 20426933f342..8fa9d024458d 100644
--- a/cms/djangoapps/contentstore/views/tabs.py
+++ b/cms/djangoapps/contentstore/views/tabs.py
@@ -17,11 +17,9 @@
 from xmodule.modulestore.django import modulestore
 from xmodule.tabs import CourseTab, CourseTabList, InvalidTabsException, StaticTab
 
-from common.djangoapps.edxmako.shortcuts import render_to_response
 from common.djangoapps.student.auth import has_course_author_access
 from common.djangoapps.util.json_request import JsonResponse, JsonResponseBadRequest, expect_json
-from ..toggles import use_new_custom_pages
-from ..utils import get_lms_link_for_item, get_pages_and_resources_url, get_custom_pages_url
+from ..utils import get_pages_and_resources_url, get_custom_pages_url
 
 __all__ = ["tabs_handler", "update_tabs_handler"]
 
@@ -65,18 +63,7 @@ def tabs_handler(request, course_key_string):
     elif request.method == "GET":  # assume html
         # get all tabs from the tabs list: static tabs (a.k.a. user-created tabs) and built-in tabs
         # present in the same order they are displayed in LMS
-        if use_new_custom_pages(course_key):
-            return redirect(get_custom_pages_url(course_key))
-        tabs_to_render = list(get_course_tabs(course_item, request.user))
-
-        return render_to_response(
-            "edit-tabs.html",
-            {
-                "context_course": course_item,
-                "tabs_to_render": tabs_to_render,
-                "lms_link": get_lms_link_for_item(course_item.location),
-            },
-        )
+        return redirect(get_custom_pages_url(course_key))
     else:
         return HttpResponseNotFound()
 
diff --git a/cms/djangoapps/contentstore/views/tests/test_tabs.py b/cms/djangoapps/contentstore/views/tests/test_tabs.py
index 715fb6eec401..b4e4d17181ef 100644
--- a/cms/djangoapps/contentstore/views/tests/test_tabs.py
+++ b/cms/djangoapps/contentstore/views/tests/test_tabs.py
@@ -4,9 +4,6 @@
 import json
 import random
 
-from edx_toggles.toggles.testutils import override_waffle_flag
-
-from cms.djangoapps.contentstore import toggles
 from cms.djangoapps.contentstore.tests.utils import CourseTestCase
 from cms.djangoapps.contentstore.utils import reverse_course_url
 from cms.djangoapps.contentstore.views import tabs
@@ -68,12 +65,11 @@ def test_not_implemented(self):
                 data={'invalid_request': None},
             )
 
-    @override_waffle_flag(toggles.LEGACY_STUDIO_CUSTOM_PAGES, True)
     def test_view_index(self):
         """Basic check that the Pages page responds correctly"""
 
         resp = self.client.get_html(self.url)
-        self.assertContains(resp, 'course-nav-list')
+        assert resp.status_code == 302
 
     def test_reorder_tabs(self):
         """Test re-ordering of tabs"""
diff --git a/cms/static/cms/js/spec/main.js b/cms/static/cms/js/spec/main.js
index 5d8daf5597fa..e56b95ef2826 100644
--- a/cms/static/cms/js/spec/main.js
+++ b/cms/static/cms/js/spec/main.js
@@ -242,7 +242,6 @@
         'js/spec/video/transcripts/editor_spec',
         'js/spec/video/transcripts/file_uploader_spec',
         'js/spec/models/component_template_spec',
-        'js/spec/models/explicit_url_spec',
         'js/spec/models/xblock_info_spec',
         'js/spec/models/xblock_validation_spec',
         'js/spec/models/license_spec',
diff --git a/cms/static/js/factories/edit_tabs.js b/cms/static/js/factories/edit_tabs.js
deleted file mode 100644
index 68bbba27bd73..000000000000
--- a/cms/static/js/factories/edit_tabs.js
+++ /dev/null
@@ -1,27 +0,0 @@
-import * as TabsModel from 'js/models/explicit_url';
-import * as TabsEditView from 'js/views/tabs';
-import * as xmoduleLoader from 'xmodule';
-import './base';
-import 'cms/js/main';
-import 'xblock/cms.runtime.v1';
-import 'xmodule/js/src/xmodule'; // Force the XBlockToXModuleShim to load for Static Tabs
-
-// eslint-disable-next-line no-unused-expressions
-'use strict';
-export default function EditTabsFactory(courseLocation, explicitUrl) {
-    xmoduleLoader.done(function() {
-        var model = new TabsModel({
-                id: courseLocation,
-                explicit_url: explicitUrl
-            }),
-            editView;
-
-        editView = new TabsEditView({
-            el: $('.tab-list'),
-            model: model,
-            mast: $('.wrapper-mast')
-        });
-    });
-}
-
-export {EditTabsFactory};
diff --git a/cms/static/js/models/explicit_url.js b/cms/static/js/models/explicit_url.js
deleted file mode 100644
index 3ee510074fef..000000000000
--- a/cms/static/js/models/explicit_url.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * A model that simply allows the update URL to be passed
- * in as an argument.
- */
-define(['backbone'], function(Backbone) {
-    return Backbone.Model.extend({
-        defaults: {
-            explicit_url: ''
-        },
-        url: function() {
-            return this.get('explicit_url');
-        }
-    });
-});
diff --git a/cms/static/js/spec/models/explicit_url_spec.js b/cms/static/js/spec/models/explicit_url_spec.js
deleted file mode 100644
index d281d8b28cf7..000000000000
--- a/cms/static/js/spec/models/explicit_url_spec.js
+++ /dev/null
@@ -1,12 +0,0 @@
-define(['js/models/explicit_url'],
-    function(Model) {
-        describe('Model ', function() {
-            it('allows url to be passed in constructor', function() {
-                expect(new Model({explicit_url: '/fancy/url'}).url()).toBe('/fancy/url');
-            });
-            it('returns empty string if url not set', function() {
-                expect(new Model().url()).toBe('');
-            });
-        });
-    }
-);
diff --git a/cms/static/js/spec/views/module_edit_spec.js b/cms/static/js/spec/views/module_edit_spec.js
deleted file mode 100644
index 301d31441880..000000000000
--- a/cms/static/js/spec/views/module_edit_spec.js
+++ /dev/null
@@ -1,266 +0,0 @@
-import $ from 'jquery';
-import ViewUtils from 'common/js/components/utils/view_utils';
-import edit_helpers from 'js/spec_helpers/edit_helpers';
-import ModuleEdit from 'js/views/module_edit';
-import ModuleModel from 'js/models/module_info';
-import 'xmodule/js/src/xmodule';
-
-describe('ModuleEdit', function() {
-    beforeEach(function() {
-        this.stubModule = new ModuleModel({
-            id: 'stub-id'
-        });
-        setFixtures('<ul>\n'
-                    + '<li class="component" id="stub-id" data-locator="stub-id">\n'
-                    + '  <div class="component-editor">\n'
-                    + '    <div class="module-editor">\n'
-                    // eslint-disable-next-line no-template-curly-in-string
-                    + '      ${editor}\n'
-                    + '    </div>\n'
-                    + '    <a href="#" class="save-button">Save</a>\n'
-                    + '    <a href="#" class="cancel-button">Cancel</a>\n'
-                    + '  </div>\n'
-                    + '  <div class="component-actions">\n'
-                    + '    <a href="#" class="edit-button"><span class="edit-icon white"></span>Edit</a>\n'
-                    + '    <a href="#" class="delete-button"><span class="delete-icon white">'
-                        + '</span>Delete</a>\n'
-                    + '  </div>\n'
-                    + '  <span class="drag-handle action"></span>\n'
-                    + '  <section class="xblock xblock-student_view xmodule_display xmodule_stub"'
-                        + ' data-type="StubModule">\n'
-                    + '    <div id="stub-module-content"/>\n'
-                    + '  </section>\n'
-                    + '</li>\n'
-                    + '</ul>');
-        edit_helpers.installEditTemplates(true);
-        spyOn($, 'ajax').and.returnValue(this.moduleData);
-        this.moduleEdit = new ModuleEdit({
-            el: $('.component'),
-            model: this.stubModule,
-            onDelete: jasmine.createSpy()
-        });
-        return this.moduleEdit;
-    });
-    describe('class definition', function() {
-        it('sets the correct tagName', function() {
-            return expect(this.moduleEdit.tagName).toEqual('li');
-        });
-        it('sets the correct className', function() {
-            return expect(this.moduleEdit.className).toEqual('component');
-        });
-    });
-    describe('methods', function() {
-        describe('initialize', function() {
-            beforeEach(function() {
-                spyOn(ModuleEdit.prototype, 'render');
-                this.moduleEdit = new ModuleEdit({
-                    el: $('.component'),
-                    model: this.stubModule,
-                    onDelete: jasmine.createSpy()
-                });
-                return this.moduleEdit;
-            });
-            it('renders the module editor', function() {
-                return expect(ModuleEdit.prototype.render).toHaveBeenCalled();
-            });
-        });
-        describe('render', function() {
-            beforeEach(function() {
-                edit_helpers.installEditTemplates(true);
-                spyOn(this.moduleEdit, 'loadDisplay');
-                spyOn(this.moduleEdit, 'delegateEvents');
-                spyOn($.fn, 'append');
-                spyOn(ViewUtils, 'loadJavaScript').and.returnValue($.Deferred().resolve().promise());
-                window.MockXBlock = function() {
-                    return {};
-                };
-                // eslint-disable-next-line no-void
-                window.loadedXBlockResources = void 0;
-                this.moduleEdit.render();
-                return $.ajax.calls.mostRecent().args[0].success({
-                    html: '<div>Response html</div>',
-                    resources: [
-                        [
-                            'hash1', {
-                                kind: 'text',
-                                mimetype: 'text/css',
-                                data: 'inline-css'
-                            }
-                        ], [
-                            'hash2', {
-                                kind: 'url',
-                                mimetype: 'text/css',
-                                data: 'css-url'
-                            }
-                        ], [
-                            'hash3', {
-                                kind: 'text',
-                                mimetype: 'application/javascript',
-                                data: 'inline-js'
-                            }
-                        ], [
-                            'hash4', {
-                                kind: 'url',
-                                mimetype: 'application/javascript',
-                                data: 'js-url'
-                            }
-                        ], [
-                            'hash5', {
-                                placement: 'head',
-                                mimetype: 'text/html',
-                                data: 'head-html'
-                            }
-                        ], [
-                            'hash6', {
-                                placement: 'not-head',
-                                mimetype: 'text/html',
-                                data: 'not-head-html'
-                            }
-                        ]
-                    ]
-                });
-            });
-            afterEach(function() {
-                window.MockXBlock = null;
-                return window.MockXBlock;
-            });
-            it('loads the module preview via ajax on the view element', function() {
-                expect($.ajax).toHaveBeenCalledWith({
-                    url: '/xblock/' + this.moduleEdit.model.id + '/student_view',
-                    type: 'GET',
-                    cache: false,
-                    headers: {
-                        Accept: 'application/json'
-                    },
-                    success: jasmine.any(Function)
-                });
-                expect($.ajax).not.toHaveBeenCalledWith({
-                    url: '/xblock/' + this.moduleEdit.model.id + '/studio_view',
-                    type: 'GET',
-                    headers: {
-                        Accept: 'application/json'
-                    },
-                    success: jasmine.any(Function)
-                });
-                expect(this.moduleEdit.loadDisplay).toHaveBeenCalled();
-                return expect(this.moduleEdit.delegateEvents).toHaveBeenCalled();
-            });
-            it('loads the editing view via ajax on demand', function() {
-                var mockXBlockEditorHtml;
-                expect($.ajax).not.toHaveBeenCalledWith({
-                    url: '/xblock/' + this.moduleEdit.model.id + '/studio_view',
-                    type: 'GET',
-                    cache: false,
-                    headers: {
-                        Accept: 'application/json'
-                    },
-                    success: jasmine.any(Function)
-                });
-                this.moduleEdit.clickEditButton({
-                    preventDefault: jasmine.createSpy('event.preventDefault')
-                });
-                mockXBlockEditorHtml = readFixtures('templates/mock/mock-xblock-editor.underscore');
-                $.ajax.calls.mostRecent().args[0].success({
-                    html: mockXBlockEditorHtml,
-                    resources: [
-                        [
-                            'hash1', {
-                                kind: 'text',
-                                mimetype: 'text/css',
-                                data: 'inline-css'
-                            }
-                        ], [
-                            'hash2', {
-                                kind: 'url',
-                                mimetype: 'text/css',
-                                data: 'css-url'
-                            }
-                        ], [
-                            'hash3', {
-                                kind: 'text',
-                                mimetype: 'application/javascript',
-                                data: 'inline-js'
-                            }
-                        ], [
-                            'hash4', {
-                                kind: 'url',
-                                mimetype: 'application/javascript',
-                                data: 'js-url'
-                            }
-                        ], [
-                            'hash5', {
-                                placement: 'head',
-                                mimetype: 'text/html',
-                                data: 'head-html'
-                            }
-                        ], [
-                            'hash6', {
-                                placement: 'not-head',
-                                mimetype: 'text/html',
-                                data: 'not-head-html'
-                            }
-                        ]
-                    ]
-                });
-                expect($.ajax).toHaveBeenCalledWith({
-                    url: '/xblock/' + this.moduleEdit.model.id + '/studio_view',
-                    type: 'GET',
-                    cache: false,
-                    headers: {
-                        Accept: 'application/json'
-                    },
-                    success: jasmine.any(Function)
-                });
-                return expect(this.moduleEdit.delegateEvents).toHaveBeenCalled();
-            });
-            it('loads inline css from fragments', function() {
-                var args = '<style type="text/css">inline-css</style>';
-                return expect($('head').append).toHaveBeenCalledWith(args);
-            });
-            it('loads css urls from fragments', function() {
-                var args = '<link rel="stylesheet" href="css-url" type="text/css">';
-                return expect($('head').append).toHaveBeenCalledWith(args);
-            });
-            it('loads inline js from fragments', function() {
-                return expect($('head').append).toHaveBeenCalledWith('<script>inline-js</script>');
-            });
-            it('loads js urls from fragments', function() {
-                return expect(ViewUtils.loadJavaScript).toHaveBeenCalledWith('js-url');
-            });
-            it('loads head html', function() {
-                return expect($('head').append).toHaveBeenCalledWith('head-html');
-            });
-            it("doesn't load body html", function() {
-                return expect($.fn.append).not.toHaveBeenCalledWith('not-head-html');
-            });
-            it("doesn't reload resources", function() {
-                var count;
-                count = $('head').append.calls.count();
-                $.ajax.calls.mostRecent().args[0].success({
-                    html: '<div>Response html 2</div>',
-                    resources: [
-                        [
-                            'hash1', {
-                                kind: 'text',
-                                mimetype: 'text/css',
-                                data: 'inline-css'
-                            }
-                        ]
-                    ]
-                });
-                return expect($('head').append.calls.count()).toBe(count);
-            });
-        });
-        describe('loadDisplay', function() {
-            beforeEach(function() {
-                spyOn(XBlock, 'initializeBlock');
-                return this.moduleEdit.loadDisplay();
-            });
-            it('loads the .xmodule-display inside the module editor', function() {
-                expect(XBlock.initializeBlock).toHaveBeenCalled();
-                var sel = '.xblock-student_view';
-                return expect(XBlock.initializeBlock.calls.mostRecent().args[0].get(0)).toBe($(sel).get(0));
-            });
-        });
-    });
-});
diff --git a/cms/static/js/views/module_edit.js b/cms/static/js/views/module_edit.js
deleted file mode 100644
index f58f02a9c94f..000000000000
--- a/cms/static/js/views/module_edit.js
+++ /dev/null
@@ -1,109 +0,0 @@
-(function() {
-    'use strict';
-
-    var __hasProp = {}.hasOwnProperty,
-        __extends = function(child, parent) {
-            var key;
-            for (key in parent) {
-                if (__hasProp.call(parent, key)) {
-                    child[key] = parent[key];
-                }
-            }
-            function Ctor() {
-                this.constructor = child;
-            }
-            Ctor.prototype = parent.prototype;
-            child.prototype = new Ctor();
-            child.__super__ = parent.prototype;
-            return child;
-        };
-
-    define(['jquery', 'underscore', 'gettext', 'xblock/runtime.v1', 'js/views/xblock', 'js/views/modals/edit_xblock'],
-        function($, _, gettext, XBlock, XBlockView, EditXBlockModal) {
-            var ModuleEdit = (function(_super) {
-                __extends(ModuleEdit, _super);
-
-                // eslint-disable-next-line no-shadow
-                function ModuleEdit() {
-                    return ModuleEdit.__super__.constructor.apply(this, arguments);
-                }
-
-                ModuleEdit.prototype.tagName = 'li';
-
-                ModuleEdit.prototype.className = 'component';
-
-                ModuleEdit.prototype.editorMode = 'editor-mode';
-
-                ModuleEdit.prototype.events = {
-                    'click .edit-button': 'clickEditButton',
-                    'click .delete-button': 'onDelete'
-                };
-
-                ModuleEdit.prototype.initialize = function() {
-                    this.onDelete = this.options.onDelete;
-                    return this.render();
-                };
-
-                ModuleEdit.prototype.loadDisplay = function() {
-                    var xblockElement;
-                    xblockElement = this.$el.find('.xblock-student_view');
-                    if (xblockElement.length > 0) {
-                        return XBlock.initializeBlock(xblockElement);
-                    }
-                };
-
-                ModuleEdit.prototype.createItem = function(parent, payload, callback) {
-                    var _this = this;
-                    if (_.isNull(callback)) {
-                        callback = function() {};
-                    }
-                    payload.parent_locator = parent;
-                    return $.postJSON(this.model.urlRoot + '/', payload, function(data) {
-                        _this.model.set({
-                            id: data.locator
-                        });
-                        _this.$el.data('locator', data.locator);
-                        _this.$el.data('courseKey', data.courseKey);
-                        return _this.render();
-                    }).success(callback);
-                };
-
-                ModuleEdit.prototype.loadView = function(viewName, target, callback) {
-                    var _this = this;
-                    if (this.model.id) {
-                        return $.ajax({
-                            url: '' + (decodeURIComponent(this.model.url())) + '/' + viewName,
-                            type: 'GET',
-                            cache: false,
-                            headers: {
-                                Accept: 'application/json'
-                            },
-                            success: function(fragment) {
-                                return _this.renderXBlockFragment(fragment, target).done(callback);
-                            }
-                        });
-                    }
-                };
-
-                ModuleEdit.prototype.render = function() {
-                    var _this = this;
-                    return this.loadView('student_view', this.$el, function() {
-                        _this.loadDisplay();
-                        return _this.delegateEvents();
-                    });
-                };
-
-                ModuleEdit.prototype.clickEditButton = function(event) {
-                    var modal;
-                    event.preventDefault();
-                    modal = new EditXBlockModal();
-                    return modal.edit(this.$el, this.model, {
-                        refresh: _.bind(this.render, this)
-                    });
-                };
-
-                return ModuleEdit;
-            }(XBlockView));
-            return ModuleEdit;
-        });
-}).call(this);
diff --git a/cms/static/js/views/tabs.js b/cms/static/js/views/tabs.js
deleted file mode 100644
index 129bec4d2b4b..000000000000
--- a/cms/static/js/views/tabs.js
+++ /dev/null
@@ -1,203 +0,0 @@
-/* globals analytics, course_location_analytics */
-
-(function(analytics, course_location_analytics) {
-    'use strict';
-
-    var __hasProp = {}.hasOwnProperty,
-        __extends = function(child, parent) {
-            var key;
-            for (key in parent) {
-                if (__hasProp.call(parent, key)) {
-                    child[key] = parent[key];
-                }
-            }
-            function Ctor() {
-                this.constructor = child;
-            }
-            Ctor.prototype = parent.prototype;
-            child.prototype = new Ctor();
-            child.__super__ = parent.prototype;
-            return child;
-        };
-
-    define(['underscore', 'jquery', 'jquery.ui', 'backbone', 'common/js/components/views/feedback_prompt',
-        'common/js/components/views/feedback_notification', 'js/views/module_edit',
-        'js/models/module_info', 'js/utils/module'],
-    function(_, $, ui, Backbone, PromptView, NotificationView, ModuleEditView, ModuleModel, ModuleUtils) {
-        var TabsEdit;
-        TabsEdit = (function(_super) {
-            __extends(TabsEdit, _super);
-
-            // eslint-disable-next-line no-shadow
-            function TabsEdit() {
-                var self = this;
-                this.deleteTab = function() {
-                    return TabsEdit.prototype.deleteTab.apply(self, arguments);
-                };
-                this.addNewTab = function() {
-                    return TabsEdit.prototype.addNewTab.apply(self, arguments);
-                };
-                this.tabMoved = function() {
-                    return TabsEdit.prototype.tabMoved.apply(self, arguments);
-                };
-                this.toggleVisibilityOfTab = function() {
-                    return TabsEdit.prototype.toggleVisibilityOfTab.apply(self, arguments);
-                };
-                this.initialize = function() {
-                    return TabsEdit.prototype.initialize.apply(self, arguments);
-                };
-                return TabsEdit.__super__.constructor.apply(this, arguments);
-            }
-
-            TabsEdit.prototype.initialize = function(options) {
-                var self = this;
-                this.$('.component').each(function(idx, element) {
-                    var model;
-                    model = new ModuleModel({
-                        id: $(element).data('locator')
-                    });
-                    return new ModuleEditView({
-                        el: element,
-                        onDelete: self.deleteTab,
-                        model: model
-                    });
-                });
-                this.options = _.extend({}, options);
-                this.options.mast.find('.new-tab').on('click', this.addNewTab);
-                $('.add-pages .new-tab').on('click', this.addNewTab);
-                $('.toggle-checkbox').on('click', this.toggleVisibilityOfTab);
-                return this.$('.course-nav-list').sortable({
-                    handle: '.drag-handle',
-                    update: this.tabMoved,
-                    helper: 'clone',
-                    opacity: '0.5',
-                    placeholder: 'component-placeholder',
-                    forcePlaceholderSize: true,
-                    axis: 'y',
-                    items: '> .is-movable'
-                });
-            };
-
-            TabsEdit.prototype.toggleVisibilityOfTab = function(event) {
-                var checkbox_element, saving, tab_element;
-                checkbox_element = event.target;
-                tab_element = $(checkbox_element).parents('.course-tab')[0];
-                saving = new NotificationView.Mini({
-                    title: gettext('Saving')
-                });
-                saving.show();
-                return $.ajax({
-                    type: 'POST',
-                    url: this.model.url(),
-                    data: JSON.stringify({
-                        tab_id_locator: {
-                            tab_id: $(tab_element).data('tab-id'),
-                            tab_locator: $(tab_element).data('locator')
-                        },
-                        is_hidden: $(checkbox_element).is(':checked')
-                    }),
-                    contentType: 'application/json'
-                }).success(function() {
-                    return saving.hide();
-                });
-            };
-
-            TabsEdit.prototype.tabMoved = function() {
-                var saving, tabs;
-                tabs = [];
-                this.$('.course-tab').each(function(idx, element) {
-                    return tabs.push({
-                        tab_id: $(element).data('tab-id'),
-                        tab_locator: $(element).data('locator')
-                    });
-                });
-                analytics.track('Reordered Pages', {
-                    course: course_location_analytics
-                });
-                saving = new NotificationView.Mini({
-                    title: gettext('Saving')
-                });
-                saving.show();
-                return $.ajax({
-                    type: 'POST',
-                    url: this.model.url(),
-                    data: JSON.stringify({
-                        tabs: tabs
-                    }),
-                    contentType: 'application/json'
-                }).success(function() {
-                    return saving.hide();
-                });
-            };
-
-            TabsEdit.prototype.addNewTab = function(event) {
-                var editor;
-                event.preventDefault();
-                editor = new ModuleEditView({
-                    onDelete: this.deleteTab,
-                    model: new ModuleModel()
-                });
-                $('.new-component-item').before(editor.$el);
-                editor.$el.addClass('course-tab is-movable');
-                editor.$el.addClass('new');
-                setTimeout(function() {
-                    return editor.$el.removeClass('new');
-                }, 1000);
-                $('html, body').animate({
-                    scrollTop: $('.new-component-item').offset().top
-                }, 500);
-                editor.createItem(this.model.get('id'), {
-                    category: 'static_tab'
-                });
-                return analytics.track('Added Page', {
-                    course: course_location_analytics
-                });
-            };
-
-            TabsEdit.prototype.deleteTab = function(event) {
-                var confirm;
-                confirm = new PromptView.Warning({
-                    title: gettext('Delete Page Confirmation'),
-                    message: gettext('Are you sure you want to delete this page? This action cannot be undone.'),
-                    actions: {
-                        primary: {
-                            text: gettext('OK'),
-                            click: function(view) {
-                                var $component, deleting;
-                                view.hide();
-                                $component = $(event.currentTarget).parents('.component');
-                                analytics.track('Deleted Page', {
-                                    course: course_location_analytics,
-                                    id: $component.data('locator')
-                                });
-                                deleting = new NotificationView.Mini({
-                                    title: gettext('Deleting')
-                                });
-                                deleting.show();
-                                return $.ajax({
-                                    type: 'DELETE',
-                                    url: ModuleUtils.getUpdateUrl($component.data('locator'))
-                                }).success(function() {
-                                    $component.remove();
-                                    return deleting.hide();
-                                });
-                            }
-                        },
-                        secondary: [
-                            {
-                                text: gettext('Cancel'),
-                                click: function(view) {
-                                    return view.hide();
-                                }
-                            }
-                        ]
-                    }
-                });
-                return confirm.show();
-            };
-
-            return TabsEdit;
-        }(Backbone.View));
-        return TabsEdit;
-    });
-}).call(this, analytics, course_location_analytics);
diff --git a/cms/static/karma_cms_webpack.conf.js b/cms/static/karma_cms_webpack.conf.js
index f389e78f8d4e..489d9fbff6e1 100644
--- a/cms/static/karma_cms_webpack.conf.js
+++ b/cms/static/karma_cms_webpack.conf.js
@@ -25,7 +25,6 @@ var options = {
     //     {pattern: 'js/factories/xblock_validation.js', webpack: true},
     //     {pattern: 'js/factories/container.js', webpack: true},
     //     {pattern: 'js/factories/context_course.js', webpack: true},
-    //     {pattern: 'js/factories/edit_tabs.js', webpack: true},
     //     {pattern: 'js/factories/library.js', webpack: true},
     // ],
 
diff --git a/cms/templates/edit-tabs.html b/cms/templates/edit-tabs.html
deleted file mode 100644
index 7952da338623..000000000000
--- a/cms/templates/edit-tabs.html
+++ /dev/null
@@ -1,213 +0,0 @@
-<%page expression_filter="h"/>
-<%inherit file="base.html" />
-<%def name="online_help_token()"><% return "pages" %></%def>
-<%namespace name='static' file='static_content.html'/>
-<%!
-  from django.utils.translation import gettext as _
-  from django.urls import reverse
-  from xmodule.tabs import StaticTab
-  from openedx.core.djangolib.js_utils import js_escaped_string
-  from cms.djangoapps.contentstore.utils import get_pages_and_resources_url
-%>
-<%block name="title">${_("Custom pages")}</%block>
-<%block name="bodyclass">is-signedin course view-static-pages</%block>
-
-<%block name="header_extras">
-% for template_name in ["basic-modal", "modal-button", "edit-xblock-modal", "editor-mode-button"]:
-<script type="text/template" id="${template_name}-tpl">
-    <%static:include path="js/${template_name}.underscore" />
-</script>
-% endfor
-</%block>
-
-<%block name="page_bundle">
-    <%static:webpack entry="js/factories/edit_tabs">
-        EditTabsFactory("${context_course.location | n, js_escaped_string}", "${reverse('tabs_handler', kwargs={'course_key_string': context_course.id}) | n, js_escaped_string}");
-    </%static:webpack>
-</%block>
-
-<%block name="content">
-<div class="wrapper-mast wrapper">
-  % if context_course:
-    <%
-      pages_and_resources_mfe_url = get_pages_and_resources_url(context_course.id)
-      pages_and_resources_mfe_enabled = bool(pages_and_resources_mfe_url)
-    %>
-  % endif
-
-  % if pages_and_resources_mfe_enabled:
-  <header class="mast has-actions">
-    <div class="jump-nav">
-      <nav class="nav-dd title ui-left">
-        <ol>
-            <li class="nav-item">
-                <span class="label">${_("Content")}</span>
-                <span class="spacer"> &rsaquo;</span>
-            </li>
-            <li class="nav-item">
-              <a class="title" href="${pages_and_resources_mfe_url}" rel="external">${_("Pages & Resources")}</a>
-              <span class="spacer"> &rsaquo;</span>
-            </li>
-        </ol>
-      </nav>
-    </div>
-    <h1 class="page-header">
-      <span class="sr">&gt; </span>${_("Custom pages")}
-    </h1>
-  % else:
-  <header class="mast has-actions has-subtitle">
-    <h1 class="page-header">
-      <small class="subtitle">${_("Content")}</small>
-      ## Translators: Custom Pages refer to the tabs that appear in the top navigation of each course.
-      <span class="sr"> > </span>${_("Pages")}
-    </h1>
-  % endif
-
-    <nav class="nav-actions" aria-label="${_('Page Actions')}">
-      <h3 class="sr">${_("Page Actions")}</h3>
-      <ul>
-        <li class="nav-item">
-          <a href="#" class="button new-button new-tab"><span class="icon fa fa-plus" aria-hidden="true"></span> ${_("New Page")}</a>
-        </li>
-        <li class="nav-item">
-          <a href="${lms_link}" rel="external" class="button view-button view-live-button">${_("View Live")}</a>
-        </li>
-      </ul>
-    </nav>
-  </header>
-</div>
-
-<div class="wrapper-content wrapper">
-  <section class="content">
-    <article class="content-primary" role="main">
-
-      <div class="notice-incontext">
-        <p class="copy">${_("Note: Pages are publicly visible. If users know the URL of a page, they can view the page even if they are not registered for or logged in to your course.")}</p>
-      </div>
-
-
-      <div class="inner-wrapper">
-        <article class="unit-body">
-
-          <div class="tab-list">
-            <ol class="course-nav-list course components">
-
-              % for tab in tabs_to_render:
-                <%
-                  css_class = "course-tab"
-                  if tab.is_movable:
-                    css_class = css_class + " is-movable"
-                  elif (not tab.is_movable) and (not tab.is_hideable):
-                    css_class = css_class + " is-fixed"
-                %>
-
-                % if isinstance(tab, StaticTab):
-                    <li class="component ${css_class}" data-locator="${tab.locator}" data-tab-id="${tab.tab_id}"></li>
-
-                % else:
-                    <li class="course-nav-item ${css_class}" data-tab-id="${tab.tab_id}">
-                      <div class="course-nav-item-header">
-
-                        % if tab.is_collection:
-
-                          <h3 class="title-sub">${_(tab.name)}</h3>
-                            <ul class="course-nav-item-children">
-                            % for item in tab.items(context_course):
-                              <li class="course-nav-item-child title">
-                                ${_(item.name)}
-                              </li>
-                            % endfor
-                            </ul>
-
-                        % else:
-                          <h3 class="title">${_(tab.name)}</h3>
-                        % endif
-                      </div>
-
-                      <div class="course-nav-item-actions wrapper-actions-list">
-                        <ul class="actions-list">
-
-                        % if tab.is_hideable:
-                          <li class="action-item action-visible">
-                            <label><span class="sr">${_("Show this page")}</span></label>
-                            % if tab.is_hidden:
-                              <input type="checkbox" class="toggle-checkbox" data-tooltip="${_('Show/hide page')}" checked />
-                            % else:
-                              <input type="checkbox" class="toggle-checkbox" data-tooltip="${_('Show/hide page')}" />
-                            % endif
-                            <div class="action-button"><span class="icon fa fa-eye" aria-hidden="true"></span><span class="icon fa fa-eye-slash"></span></div>
-                          </li>
-                        % endif
-
-                        </ul>
-                      </div>
-
-                      % if tab.is_movable:
-                        <div class="drag-handle action" data-tooltip="${_('Drag to reorder')}">
-                          <span class="sr">${_("Drag to reorder")}</span>
-                        </div>
-                      % else:
-                        <div class="drag-handle is-fixed" data-tooltip="${_('This page cannot be reordered')}">
-                          <span class="sr">${_("This page cannot be reordered")}</span>
-                        </div>
-                      % endif
-                    </li>
-
-                 % endif
-              % endfor
-
-              <li class="new-component-item"></li>
-            </ol>
-          </div>
-
-          <div class="add-pages">
-              <p>${_("You can add additional custom pages to your course.")} <a href="#" class="button new-button new-tab"><span class="icon fa fa-plus" aria-hidden="true"></span>${_("Add a New Page")}</a></p>
-          </div>
-        </article>
-      </div>
-    </article>
-
-    % if pages_and_resources_mfe_enabled:
-    <aside class="content-supplementary" role="complementary">
-      <div class="bit">
-        <h3 class="title-3">${_("What are pages?")}</h3>
-        <p>${_("Pages are listed horizontally at the top of your course. Default pages (Home, Course, Discussion, Wiki, and Progress) are followed by textbooks and custom pages that you create.")}</p>
-      </div>
-      <div class="bit">
-        <h3 class="title-3">${_("Custom pages")}</h3>
-        <p>${_("You can create and edit custom pages to provide students with additional course content. For example, you can create pages for the grading policy, course slides, and a course calendar. ")} </p>
-      </div>
-      <div class="bit">
-        <h3 class="title-3">${_("How do pages look to students in my course?")}</h3>
-        <p>${_("Students see the default and custom pages at the top of your course and use these links to navigate.")} <br /> <a rel="modal" href="#preview-lms-staticpages">${_("See an example")}</a></p>
-      </div>
-    </aside>
-    % else:
-    <aside class="content-supplementary" role="complementary">
-      <div class="bit">
-        <h3 class="title-3">${_("What are custom pages?")}</h3>
-        <p>${_("You can create and edit custom pages to provide students with additional course content. For example, you can create pages for the grading policy, course syllabus, and a course calendar. ")} </p>
-      </div>
-      <div class="bit">
-        <h3 class="title-3">${_("How do custom pages look to students in my course?")}</h3>
-        <p>${_("Custom pages are listed horizontally at the top of your course after default pages.")} <br /> <a rel="modal" href="#preview-lms-staticpages">${_("See an example")}</a></p>
-      </div>
-    </aside>
-    % endif
-
-  </section>
-</div>
-
-<div class="content-modal" id="preview-lms-staticpages">
-  <h3 class="title">${_("Pages in Your Course")}</h3>
-  <figure>
-    <img src="${static.url("images/preview-lms-staticpages.png")}" alt="${_('Preview of Pages in your course')}" />
-    <figcaption class="description">${_("Pages appear in your course's top navigation bar. The default pages (Home, Course, Discussion, Wiki, and Progress) are followed by textbooks and custom pages.")}</figcaption>
-  </figure>
-
-  <a href="#" rel="view" class="action action-modal-close">
-    <span class="icon fa fa-times-circle" aria-hidden="true"></span>
-    <span class="label">${_("close modal")}</span>
-  </a>
-</div>
-</%block>
diff --git a/webpack.common.config.js b/webpack.common.config.js
index e52a79a1bfc9..cd9d0f53af59 100644
--- a/webpack.common.config.js
+++ b/webpack.common.config.js
@@ -104,7 +104,6 @@ module.exports = Merge.merge({
             'js/factories/context_course': './cms/static/js/factories/context_course.js',
             'js/factories/library': './cms/static/js/factories/library.js',
             'js/factories/xblock_validation': './cms/static/js/factories/xblock_validation.js',
-            'js/factories/edit_tabs': './cms/static/js/factories/edit_tabs.js',
             'js/sock': './cms/static/js/sock.js',
             'js/factories/tag_count': './cms/static/js/factories/tag_count.js',