diff --git a/packages/frontend/core/src/components/blocksuite/block-suite-editor/specs/preview.ts b/packages/frontend/core/src/components/blocksuite/block-suite-editor/specs/preview.ts
index 20962bcad5..c75820ee69 100644
--- a/packages/frontend/core/src/components/blocksuite/block-suite-editor/specs/preview.ts
+++ b/packages/frontend/core/src/components/blocksuite/block-suite-editor/specs/preview.ts
@@ -1,5 +1,5 @@
 import { AIChatBlockSpec } from '@affine/core/blocksuite/presets/blocks/ai-chat-block';
-import { PeekViewService } from '@affine/core/modules/peek-view';
+import { PeekViewService } from '@affine/core/modules/peek-view/services/peek-view';
 import { AppThemeService } from '@affine/core/modules/theme';
 import {
   type BlockStdScope,
diff --git a/packages/frontend/core/src/components/blocksuite/block-suite-editor/starter-bar.tsx b/packages/frontend/core/src/components/blocksuite/block-suite-editor/starter-bar.tsx
index 996e3a142b..f783670033 100644
--- a/packages/frontend/core/src/components/blocksuite/block-suite-editor/starter-bar.tsx
+++ b/packages/frontend/core/src/components/blocksuite/block-suite-editor/starter-bar.tsx
@@ -66,9 +66,6 @@ const StarterBarNotEmpty = ({ doc }: { doc: Store }) => {
     )
   );
   const enableAI = useLiveData(featureFlagService.flags.enable_ai.$);
-  const enableTemplateDoc = useLiveData(
-    featureFlagService.flags.enable_template_doc.$
-  );
 
   const handleSelectTemplate = useAsyncCallback(
     async (templateId: string) => {
@@ -109,7 +106,7 @@ const StarterBarNotEmpty = ({ doc }: { doc: Store }) => {
     }
   }, [editorService.editor]);
 
-  const showTemplate = !isTemplate && enableTemplateDoc;
+  const showTemplate = !isTemplate;
 
   if (!enableAI && !showTemplate) {
     return null;
diff --git a/packages/frontend/core/src/components/doc-properties/table.tsx b/packages/frontend/core/src/components/doc-properties/table.tsx
index 600bc7b4b4..971c2edecb 100644
--- a/packages/frontend/core/src/components/doc-properties/table.tsx
+++ b/packages/frontend/core/src/components/doc-properties/table.tsx
@@ -15,7 +15,6 @@ import type {
   DatabaseRow,
   DatabaseValueCell,
 } from '@affine/core/modules/doc-info/types';
-import { FeatureFlagService } from '@affine/core/modules/feature-flag';
 import { GuardService } from '@affine/core/modules/permissions';
 import { ViewService, WorkbenchService } from '@affine/core/modules/workbench';
 import type { AffineDNDData } from '@affine/core/types/dnd';
@@ -132,13 +131,10 @@ export const DocPropertyRow = ({
   const t = useI18n();
   const docService = useService(DocService);
   const docsService = useService(DocsService);
-  const featureFlagService = useService(FeatureFlagService);
   const customPropertyValue = useLiveData(
     docService.doc.customProperty$(propertyInfo.id)
   );
-  const enableTemplateDoc = useLiveData(
-    featureFlagService.flags.enable_template_doc.$
-  );
+
   const typeInfo = isSupportedDocPropertyType(propertyInfo.type)
     ? DocPropertyTypes[propertyInfo.type]
     : undefined;
@@ -215,9 +211,6 @@ export const DocPropertyRow = ({
   );
 
   if (!ValueRenderer || typeof ValueRenderer !== 'function') return null;
-  if (propertyInfo.id === 'template' && !enableTemplateDoc) {
-    return null;
-  }
 
   return (
     <PropertyRoot
diff --git a/packages/frontend/core/src/components/root-app-sidebar/template-doc-entrance.tsx b/packages/frontend/core/src/components/root-app-sidebar/template-doc-entrance.tsx
index fd03dba2f5..784f38a9ca 100644
--- a/packages/frontend/core/src/components/root-app-sidebar/template-doc-entrance.tsx
+++ b/packages/frontend/core/src/components/root-app-sidebar/template-doc-entrance.tsx
@@ -1,21 +1,18 @@
 import { Menu, MenuItem, MenuSeparator } from '@affine/component';
 import { MenuItem as SidebarMenuItem } from '@affine/core/modules/app-sidebar/views';
 import { DocsService } from '@affine/core/modules/doc';
-import { FeatureFlagService } from '@affine/core/modules/feature-flag';
 import { TemplateListMenuContentScrollable } from '@affine/core/modules/template-doc/view/template-list-menu';
 import { WorkbenchService } from '@affine/core/modules/workbench';
 import { inferOpenMode } from '@affine/core/utils';
 import { useI18n } from '@affine/i18n';
 import track from '@affine/track';
 import { TemplateIcon } from '@blocksuite/icons/rc';
-import { useLiveData, useService } from '@toeverything/infra';
+import { useService } from '@toeverything/infra';
 import { useCallback, useState } from 'react';
 
 export const TemplateDocEntrance = () => {
   const t = useI18n();
   const [menuOpen, setMenuOpen] = useState(false);
-  const featureFlagService = useService(FeatureFlagService);
-  const enabled = useLiveData(featureFlagService.flags.enable_template_doc.$);
 
   const toggleMenu = useCallback(() => {
     setMenuOpen(prev => !prev);
@@ -26,10 +23,6 @@ export const TemplateDocEntrance = () => {
     setMenuOpen(open);
   }, []);
 
-  if (!enabled) {
-    return null;
-  }
-
   return (
     <SidebarMenuItem
       data-testid="sidebar-template-doc-entrance"
diff --git a/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/preference/template.tsx b/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/preference/template.tsx
index 2aef0f0180..82d9e7bf91 100644
--- a/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/preference/template.tsx
+++ b/packages/frontend/core/src/desktop/dialogs/setting/workspace-setting/preference/template.tsx
@@ -10,25 +10,18 @@ import {
 } from '@affine/component/setting-components';
 import { DocsService } from '@affine/core/modules/doc';
 import { DocDisplayMetaService } from '@affine/core/modules/doc-display-meta';
-import { FeatureFlagService } from '@affine/core/modules/feature-flag';
 import { TemplateDocService } from '@affine/core/modules/template-doc';
 import { TemplateListMenu } from '@affine/core/modules/template-doc/view/template-list-menu';
 import { useI18n } from '@affine/i18n';
 import { DeleteIcon } from '@blocksuite/icons/rc';
-import { useLiveData, useService, useServices } from '@toeverything/infra';
+import { useLiveData, useService } from '@toeverything/infra';
 import { useCallback } from 'react';
 
 import * as styles from './template.css';
 
 export const TemplateDocSetting = () => {
   const t = useI18n();
-  const { featureFlagService, templateDocService } = useServices({
-    FeatureFlagService,
-    TemplateDocService,
-  });
-  const setting = templateDocService.setting;
-
-  const enabled = useLiveData(featureFlagService.flags.enable_template_doc.$);
+  const setting = useService(TemplateDocService).setting;
 
   const enablePageTemplate = useLiveData(setting.enablePageTemplate$);
   const pageTemplateDocId = useLiveData(setting.pageTemplateDocId$);
@@ -55,8 +48,6 @@ export const TemplateDocSetting = () => {
     [setting]
   );
 
-  if (!enabled) return null;
-
   return (
     <SettingWrapper title={t['com.affine.settings.workspace.template.title']()}>
       <SettingRow
diff --git a/packages/frontend/core/src/desktop/pages/workspace/detail-page/tabs/journal/template-onboarding.tsx b/packages/frontend/core/src/desktop/pages/workspace/detail-page/tabs/journal/template-onboarding.tsx
index 2b0e51a379..b38b4e79db 100644
--- a/packages/frontend/core/src/desktop/pages/workspace/detail-page/tabs/journal/template-onboarding.tsx
+++ b/packages/frontend/core/src/desktop/pages/workspace/detail-page/tabs/journal/template-onboarding.tsx
@@ -1,5 +1,4 @@
 import { Button, IconButton, Menu } from '@affine/component';
-import { FeatureFlagService } from '@affine/core/modules/feature-flag';
 import { GlobalStateService } from '@affine/core/modules/storage';
 import { TemplateDocService } from '@affine/core/modules/template-doc';
 import { TemplateListMenuContentScrollable } from '@affine/core/modules/template-doc/view/template-list-menu';
@@ -19,11 +18,7 @@ let animationPlayed = false;
 export const JournalTemplateOnboarding = () => {
   const containerRef = useRef<HTMLDivElement>(null);
   const globalState = useService(GlobalStateService).globalState;
-  const featureFlagService = useService(FeatureFlagService);
   const templateDocService = useService(TemplateDocService);
-  const enableTemplate = useLiveData(
-    featureFlagService.flags.enable_template_doc.$
-  );
   const t = useI18n();
 
   const dismissed = useLiveData(
@@ -65,7 +60,7 @@ export const JournalTemplateOnboarding = () => {
     [templateDocService.setting]
   );
 
-  if (dismissed || !enableTemplate) return null;
+  if (dismissed) return null;
 
   return (
     <div
diff --git a/packages/frontend/core/src/mobile/components/app-tabs/create.tsx b/packages/frontend/core/src/mobile/components/app-tabs/create.tsx
index 852e5215cf..4acc597495 100644
--- a/packages/frontend/core/src/mobile/components/app-tabs/create.tsx
+++ b/packages/frontend/core/src/mobile/components/app-tabs/create.tsx
@@ -1,7 +1,6 @@
 import { usePageHelper } from '@affine/core/components/blocksuite/block-suite-page-list/utils';
 import { useAsyncCallback } from '@affine/core/components/hooks/affine-async-hooks';
 import { DocsService } from '@affine/core/modules/doc';
-import { FeatureFlagService } from '@affine/core/modules/feature-flag';
 import { TemplateDocService } from '@affine/core/modules/template-doc';
 import { WorkbenchService } from '@affine/core/modules/workbench';
 import { WorkspaceService } from '@affine/core/modules/workspace';
@@ -15,15 +14,11 @@ import { TabItem } from './tab-item';
 export const AppTabCreate = ({ tab }: AppTabCustomFCProps) => {
   const workbench = useService(WorkbenchService).workbench;
   const workspaceService = useService(WorkspaceService);
-  const featureFlagService = useService(FeatureFlagService);
   const templateDocService = useService(TemplateDocService);
   const docsService = useService(DocsService);
 
   const currentWorkspace = workspaceService.workspace;
   const pageHelper = usePageHelper(currentWorkspace.docCollection);
-  const enableTemplateDoc = useLiveData(
-    featureFlagService.flags.enable_template_doc.$
-  );
   const enablePageTemplate = useLiveData(
     templateDocService.setting.enablePageTemplate$
   );
@@ -34,7 +29,7 @@ export const AppTabCreate = ({ tab }: AppTabCustomFCProps) => {
   const createPage = useAsyncCallback(
     async (isActive: boolean) => {
       if (isActive) return;
-      if (enableTemplateDoc && enablePageTemplate && pageTemplateDocId) {
+      if (enablePageTemplate && pageTemplateDocId) {
         const docId =
           await docsService.duplicateFromTemplate(pageTemplateDocId);
         workbench.openDoc({ docId, fromTab: 'true' });
@@ -44,14 +39,7 @@ export const AppTabCreate = ({ tab }: AppTabCustomFCProps) => {
       }
       track.$.navigationPanel.$.createDoc();
     },
-    [
-      docsService,
-      enablePageTemplate,
-      enableTemplateDoc,
-      pageHelper,
-      pageTemplateDocId,
-      workbench,
-    ]
+    [docsService, enablePageTemplate, pageHelper, pageTemplateDocId, workbench]
   );
 
   return (
diff --git a/packages/frontend/core/src/modules/app-sidebar/views/add-page-button/index.tsx b/packages/frontend/core/src/modules/app-sidebar/views/add-page-button/index.tsx
index 7f63baeeab..e71492d82d 100644
--- a/packages/frontend/core/src/modules/app-sidebar/views/add-page-button/index.tsx
+++ b/packages/frontend/core/src/modules/app-sidebar/views/add-page-button/index.tsx
@@ -3,7 +3,6 @@ import { usePageHelper } from '@affine/core/components/blocksuite/block-suite-pa
 import { useAsyncCallback } from '@affine/core/components/hooks/affine-async-hooks';
 import { DocsService } from '@affine/core/modules/doc';
 import { EditorSettingService } from '@affine/core/modules/editor-setting';
-import { FeatureFlagService } from '@affine/core/modules/feature-flag';
 import { TemplateDocService } from '@affine/core/modules/template-doc';
 import { TemplateListMenuContentScrollable } from '@affine/core/modules/template-doc/view/template-list-menu';
 import { WorkbenchService } from '@affine/core/modules/workbench';
@@ -30,16 +29,11 @@ import * as styles from './index.css';
  * @return a function to create a new doc, will duplicate the template doc if the page template is enabled
  */
 const useNewDoc = () => {
-  const featureFlagService = useService(FeatureFlagService);
   const workspaceService = useService(WorkspaceService);
   const templateDocService = useService(TemplateDocService);
   const docsService = useService(DocsService);
   const workbench = useService(WorkbenchService).workbench;
 
-  const enableTemplateDoc = useLiveData(
-    featureFlagService.flags.enable_template_doc.$
-  );
-
   const currentWorkspace = workspaceService.workspace;
   const enablePageTemplate = useLiveData(
     templateDocService.setting.enablePageTemplate$
@@ -52,7 +46,7 @@ const useNewDoc = () => {
 
   const createPage = useAsyncCallback(
     async (e?: MouseEvent, mode?: DocMode) => {
-      if (enableTemplateDoc && enablePageTemplate && pageTemplateDocId) {
+      if (enablePageTemplate && pageTemplateDocId) {
         const docId =
           await docsService.duplicateFromTemplate(pageTemplateDocId);
         workbench.openDoc(docId, { at: inferOpenMode(e) });
@@ -60,14 +54,7 @@ const useNewDoc = () => {
         pageHelper.createPage(mode, { at: inferOpenMode(e) });
       }
     },
-    [
-      docsService,
-      enablePageTemplate,
-      enableTemplateDoc,
-      pageHelper,
-      pageTemplateDocId,
-      workbench,
-    ]
+    [docsService, enablePageTemplate, pageHelper, pageTemplateDocId, workbench]
   );
 
   return createPage;
diff --git a/packages/frontend/core/src/modules/feature-flag/constant.ts b/packages/frontend/core/src/modules/feature-flag/constant.ts
index 4343693821..a87431149d 100644
--- a/packages/frontend/core/src/modules/feature-flag/constant.ts
+++ b/packages/frontend/core/src/modules/feature-flag/constant.ts
@@ -222,15 +222,6 @@ export const AFFINE_FLAGS = {
     configurable: !isMobile,
     defaultState: false,
   },
-  // TODO(@CatsJuice): remove this flag when ready
-  enable_template_doc: {
-    category: 'affine',
-    displayName: 'Enable template doc',
-    description:
-      'Allow users to mark a doc as a template, and create new docs from it',
-    configurable: true,
-    defaultState: isCanaryBuild,
-  },
   enable_editor_rtl: {
     category: 'affine',
     displayName:
diff --git a/packages/frontend/core/src/modules/journal/index.ts b/packages/frontend/core/src/modules/journal/index.ts
index 968a3abac9..74762ebe45 100644
--- a/packages/frontend/core/src/modules/journal/index.ts
+++ b/packages/frontend/core/src/modules/journal/index.ts
@@ -2,7 +2,6 @@ import { type Framework } from '@toeverything/infra';
 
 import { DocScope, DocService, DocsService } from '../doc';
 import { EditorSettingService } from '../editor-setting';
-import { FeatureFlagService } from '../feature-flag';
 import { TemplateDocService } from '../template-doc';
 import { WorkspaceScope } from '../workspace';
 import { JournalService } from './services/journal';
@@ -25,7 +24,6 @@ export function configureJournalModule(framework: Framework) {
       DocsService,
       EditorSettingService,
       TemplateDocService,
-      FeatureFlagService,
     ])
     .store(JournalStore, [DocsService])
     .scope(DocScope)
diff --git a/packages/frontend/core/src/modules/journal/services/journal.ts b/packages/frontend/core/src/modules/journal/services/journal.ts
index e96feb5700..7bb39eec20 100644
--- a/packages/frontend/core/src/modules/journal/services/journal.ts
+++ b/packages/frontend/core/src/modules/journal/services/journal.ts
@@ -8,7 +8,6 @@ import {
 } from '../../../blocksuite/initialization';
 import type { DocsService } from '../../doc';
 import type { EditorSettingService } from '../../editor-setting';
-import type { FeatureFlagService } from '../../feature-flag';
 import type { TemplateDocService } from '../../template-doc';
 import type { JournalStore } from '../store/journal';
 
@@ -21,8 +20,7 @@ export class JournalService extends Service {
     private readonly store: JournalStore,
     private readonly docsService: DocsService,
     private readonly editorSettingService: EditorSettingService,
-    private readonly templateDocService: TemplateDocService,
-    private readonly featureFlagService: FeatureFlagService
+    private readonly templateDocService: TemplateDocService
   ) {
     super();
   }
@@ -66,8 +64,6 @@ export class JournalService extends Service {
         .getTime(),
     });
 
-    const enableTemplateDoc =
-      this.featureFlagService.flags.enable_template_doc.value;
     const enablePageTemplate =
       this.templateDocService.setting.enablePageTemplate$.value;
     const pageTemplateDocId =
@@ -75,13 +71,13 @@ export class JournalService extends Service {
     const journalTemplateDocId =
       this.templateDocService.setting.journalTemplateDocId$.value;
     // if journal template configured
-    if (enableTemplateDoc && journalTemplateDocId) {
+    if (journalTemplateDocId) {
       this.docsService
         .duplicateFromTemplate(journalTemplateDocId, docRecord.id)
         .catch(console.error);
     }
     // journal template not configured, use page template
-    else if (enableTemplateDoc && enablePageTemplate && pageTemplateDocId) {
+    else if (enablePageTemplate && pageTemplateDocId) {
       this.docsService
         .duplicateFromTemplate(pageTemplateDocId, docRecord.id)
         .catch(console.error);