diff --git a/packages/devextreme/eslint-scheduler-allowlist.mjs b/packages/devextreme/eslint-scheduler-allowlist.mjs
index 28f374de2d3e..1632e1e151a5 100644
--- a/packages/devextreme/eslint-scheduler-allowlist.mjs
+++ b/packages/devextreme/eslint-scheduler-allowlist.mjs
@@ -113,10 +113,10 @@ const schedulerLegacyMembers = [
     // appointment_popup/m_legacy_popup.ts
     '_ignorePreventScrollEventsDeprecation',
 
-    // header/m_header.ts
+    // header/header.ts
     '_useShortDateFormat',
 
-    // header/m_view_switcher.ts
+    // header/view_switcher.ts
     '_wrapperClassExternal',
 
     // utils/options/constants.ts, utils/options/types.ts
diff --git a/packages/devextreme/js/__internal/scheduler/header/m_calendar.ts b/packages/devextreme/js/__internal/scheduler/header/calendar.ts
similarity index 100%
rename from packages/devextreme/js/__internal/scheduler/header/m_calendar.ts
rename to packages/devextreme/js/__internal/scheduler/header/calendar.ts
diff --git a/packages/devextreme/js/__internal/scheduler/header/m_date_navigator.test.ts b/packages/devextreme/js/__internal/scheduler/header/date_navigator.test.ts
similarity index 97%
rename from packages/devextreme/js/__internal/scheduler/header/m_date_navigator.test.ts
rename to packages/devextreme/js/__internal/scheduler/header/date_navigator.test.ts
index b966e2ed7b57..5abd88f53022 100644
--- a/packages/devextreme/js/__internal/scheduler/header/m_date_navigator.test.ts
+++ b/packages/devextreme/js/__internal/scheduler/header/date_navigator.test.ts
@@ -5,8 +5,8 @@ import type { ToolbarItem } from '@js/ui/scheduler';
 
 import {
   CLASS, DEFAULT_ITEMS, getDateNavigator, ITEMS_NAME,
-} from './m_date_navigator';
-import type { SchedulerHeader } from './m_header';
+} from './date_navigator';
+import type { SchedulerHeader } from './header';
 
 describe('getDateNavigator', () => {
   it('should return default options in case of item is empty', () => {
diff --git a/packages/devextreme/js/__internal/scheduler/header/m_date_navigator.ts b/packages/devextreme/js/__internal/scheduler/header/date_navigator.ts
similarity index 98%
rename from packages/devextreme/js/__internal/scheduler/header/m_date_navigator.ts
rename to packages/devextreme/js/__internal/scheduler/header/date_navigator.ts
index fc4a8a8dc29c..6c70b2976a42 100644
--- a/packages/devextreme/js/__internal/scheduler/header/m_date_navigator.ts
+++ b/packages/devextreme/js/__internal/scheduler/header/date_navigator.ts
@@ -6,7 +6,7 @@ import { current, isMaterialBased } from '@js/ui/themes';
 import type { Item as ToolbarItem } from '@js/ui/toolbar';
 import { dateUtilsTs } from '@ts/core/utils/date';
 import { extend } from '@ts/core/utils/m_extend';
-import type { SchedulerHeader } from '@ts/scheduler/header/m_header';
+import type { SchedulerHeader } from '@ts/scheduler/header/header';
 
 import { Direction } from './constants';
 
diff --git a/packages/devextreme/js/__internal/scheduler/header/m_header.ts b/packages/devextreme/js/__internal/scheduler/header/header.ts
similarity index 98%
rename from packages/devextreme/js/__internal/scheduler/header/m_header.ts
rename to packages/devextreme/js/__internal/scheduler/header/header.ts
index 5e47e2662909..ef7174ce2196 100644
--- a/packages/devextreme/js/__internal/scheduler/header/m_header.ts
+++ b/packages/devextreme/js/__internal/scheduler/header/header.ts
@@ -14,26 +14,26 @@ import type { OptionChanged } from '@ts/core/widget/types';
 import Widget from '@ts/core/widget/widget';
 import type { NormalizedView, SafeSchedulerOptions } from '@ts/scheduler/utils/options/types';
 
+import SchedulerCalendar from './calendar';
 import type { Direction } from './constants';
-import SchedulerCalendar from './m_calendar';
 import {
   getDateNavigator,
   getTodayButtonOptions,
-} from './m_date_navigator';
+} from './date_navigator';
+import type {
+  EventMapHandler,
+  HeaderOptions, IntervalOptions,
+} from './types';
 import {
   getCaption,
   getNextIntervalDate,
   getStep,
   nextWeek,
-} from './m_utils';
+} from './utils';
 import {
   getDropDownViewSwitcher,
   getTabViewSwitcher,
-} from './m_view_switcher';
-import type {
-  EventMapHandler,
-  HeaderOptions, IntervalOptions,
-} from './types';
+} from './view_switcher';
 
 const CLASSES = {
   component: 'dx-scheduler-header',
diff --git a/packages/devextreme/js/__internal/scheduler/header/m_utils.ts b/packages/devextreme/js/__internal/scheduler/header/utils.ts
similarity index 100%
rename from packages/devextreme/js/__internal/scheduler/header/m_utils.ts
rename to packages/devextreme/js/__internal/scheduler/header/utils.ts
diff --git a/packages/devextreme/js/__internal/scheduler/header/m_view_switcher.integration.test.ts b/packages/devextreme/js/__internal/scheduler/header/view_switcher.integration.test.ts
similarity index 100%
rename from packages/devextreme/js/__internal/scheduler/header/m_view_switcher.integration.test.ts
rename to packages/devextreme/js/__internal/scheduler/header/view_switcher.integration.test.ts
diff --git a/packages/devextreme/js/__internal/scheduler/header/m_view_switcher.ts b/packages/devextreme/js/__internal/scheduler/header/view_switcher.ts
similarity index 97%
rename from packages/devextreme/js/__internal/scheduler/header/m_view_switcher.ts
rename to packages/devextreme/js/__internal/scheduler/header/view_switcher.ts
index 76ae6d55080d..78fc6bbdacf9 100644
--- a/packages/devextreme/js/__internal/scheduler/header/m_view_switcher.ts
+++ b/packages/devextreme/js/__internal/scheduler/header/view_switcher.ts
@@ -2,12 +2,12 @@ import { current, isFluent } from '@js/ui/themes';
 import type { Item as ToolbarItem } from '@js/ui/toolbar';
 
 import type { NormalizedView } from '../utils/options/types';
-import type { SchedulerHeader } from './m_header';
+import type { SchedulerHeader } from './header';
 import {
   formatViews,
   getViewName,
   isOneView,
-} from './m_utils';
+} from './utils';
 
 const ClASS = {
   container: 'dx-scheduler-view-switcher',
diff --git a/packages/devextreme/js/__internal/scheduler/m_scheduler.ts b/packages/devextreme/js/__internal/scheduler/m_scheduler.ts
index d6c79d2dd6b9..eb0682e2a65d 100644
--- a/packages/devextreme/js/__internal/scheduler/m_scheduler.ts
+++ b/packages/devextreme/js/__internal/scheduler/m_scheduler.ts
@@ -38,7 +38,7 @@ import { AppointmentForm } from './appointment_popup/m_form';
 import { ACTION_TO_APPOINTMENT, AppointmentPopup } from './appointment_popup/m_popup';
 import AppointmentCollection from './appointments/m_appointment_collection';
 import NotifyScheduler from './base/m_widget_notify_scheduler';
-import { SchedulerHeader } from './header/m_header';
+import { SchedulerHeader } from './header/header';
 import type { HeaderOptions } from './header/types';
 import { CompactAppointmentsHelper } from './m_compact_appointments_helper';
 import { hide as hideLoading, show as showLoading } from './m_loading';
diff --git a/packages/devextreme/testing/tests/DevExpress.ui.widgets.scheduler/header.tests.js b/packages/devextreme/testing/tests/DevExpress.ui.widgets.scheduler/header.tests.js
index 6c4531cfa8cd..a3020036474b 100644
--- a/packages/devextreme/testing/tests/DevExpress.ui.widgets.scheduler/header.tests.js
+++ b/packages/devextreme/testing/tests/DevExpress.ui.widgets.scheduler/header.tests.js
@@ -2,7 +2,7 @@ import $ from 'jquery';
 import { createWrapper, initTestMarkup } from '../../helpers/scheduler/helpers.js';
 const { testStart, test, module } = QUnit;
 import themes from 'ui/themes';
-import { getCaption } from '__internal/scheduler/header/m_utils';
+import { getCaption } from '__internal/scheduler/header/utils';
 
 testStart(() => initTestMarkup());