diff --git a/addon/chrome/content/preferences.xhtml b/addon/chrome/content/preferences.xhtml
index 5fa42ed..f6bc1b8 100644
--- a/addon/chrome/content/preferences.xhtml
+++ b/addon/chrome/content/preferences.xhtml
@@ -49,6 +49,16 @@
         preference="__prefsPrefix__.syncPeriodSeconds"
       ></html:input>
     </hbox>
+    <hbox>
+      <html:label
+        for="__addonRef__-sync-attachmentFolder"
+        data-l10n-id="sync-attachmentFolder-label"
+      ></html:label>
+      <html:input
+        id="__addonRef__-sync-attachmentFolder"
+        preference="__prefsPrefix__.syncAttachmentFolder"
+      ></html:input>
+    </hbox>
     <hbox>
       <button
         onclick="Zotero.__addonInstance__.hooks.onShowSyncManager()"
diff --git a/addon/locale/en-US/addon.ftl b/addon/locale/en-US/addon.ftl
index 1db4e2d..ee56c8f 100644
--- a/addon/locale/en-US/addon.ftl
+++ b/addon/locale/en-US/addon.ftl
@@ -105,6 +105,7 @@ editor-toolbar-settings-copyLinkAtSection = Copy Note Link at Section ({ $sectio
 editor-toolbar-settings-openParent = Open Attachment
 editor-toolbar-settings-export = Export Current Note...
 editor-toolbar-settings-refreshSyncing = Sync Now
+editor-toolbar-settings-updateRelatedNotes = Update Related Notes
 editor-toolbar-link-title = Link current note to workspace
 editor-toolbar-link-popup-nodata = Workspace note is invalid
 
diff --git a/addon/locale/en-US/preferences.ftl b/addon/locale/en-US/preferences.ftl
index 202d697..21e34db 100644
--- a/addon/locale/en-US/preferences.ftl
+++ b/addon/locale/en-US/preferences.ftl
@@ -6,6 +6,7 @@ workspace-autoUpdateRelatedNotes =
     .label = Automatically update related
 sync-title = Sync
 sync-period-label = Auto-sync period (seconds)
+sync-attachmentFolder-label = Attachment folder
 sync-manager =
     .label = Open Sync Manager
 template-title = Template
diff --git a/addon/locale/it-IT/addon.ftl b/addon/locale/it-IT/addon.ftl
index 7a06d4d..4a1a003 100644
--- a/addon/locale/it-IT/addon.ftl
+++ b/addon/locale/it-IT/addon.ftl
@@ -101,6 +101,7 @@ editor-toolbar-settings-copyLinkAtSection = Copia link della nota alla sezione (
 editor-toolbar-settings-openParent = Apri allegato
 editor-toolbar-settings-export = Esporta nota corrente...
 editor-toolbar-settings-refreshSyncing = Sincronizza ora
+editor-toolbar-settings-updateRelatedNotes = Update Related Notes
 editor-toolbar-link-title = Collega la nota corrente alla nota di lavoro
 editor-toolbar-link-popup-nodata = La nota di lavoro non è valida
 
diff --git a/addon/locale/it-IT/preferences.ftl b/addon/locale/it-IT/preferences.ftl
index 23b9b0a..c4a9e53 100644
--- a/addon/locale/it-IT/preferences.ftl
+++ b/addon/locale/it-IT/preferences.ftl
@@ -6,6 +6,7 @@ workspace-autoUpdateRelatedNotes =
     .label = Aggiorna automaticamente le note correlate
 sync-title = Sincronizzazione
 sync-period-label = Intervallo della sincronizzazione automatica (secondi)
+sync-attachmentFolder-label = Attachment folder
 sync-manager =
     .label = Apri Manager di sincronizzazione
 template-title = Template
diff --git a/addon/locale/ru-RU/addon.ftl b/addon/locale/ru-RU/addon.ftl
index c202598..ae91a74 100644
--- a/addon/locale/ru-RU/addon.ftl
+++ b/addon/locale/ru-RU/addon.ftl
@@ -105,6 +105,7 @@ editor-toolbar-settings-copyLinkAtSection = Копировать Ссылку н
 editor-toolbar-settings-openParent=Открыть вложение
 editor-toolbar-settings-export=Экспортировать текущую заметку...
 editor-toolbar-settings-refreshSyncing=Синхронизировать сейчас
+editor-toolbar-settings-updateRelatedNotes = Update Related Notes
 editor-toolbar-link-title=Ссылка текущей заметки в рабочее пространство
 editor-toolbar-link-popup-nodata=Невалидная Заметка раб. пространства
 
diff --git a/addon/locale/ru-RU/preferences.ftl b/addon/locale/ru-RU/preferences.ftl
index c4dd6d8..3b3aaf4 100644
--- a/addon/locale/ru-RU/preferences.ftl
+++ b/addon/locale/ru-RU/preferences.ftl
@@ -6,6 +6,7 @@ workspace-autoUpdateRelatedNotes =
     .label = Автообновление связанных заметок
 sync-title = Синк
 sync-period-label = Авто-синк период (сек)
+sync-attachmentFolder-label = Attachment folder
 sync-manager =
     .label = Открыть Синк менеджер
 template-title = Шаблон
diff --git a/addon/locale/zh-CN/addon.ftl b/addon/locale/zh-CN/addon.ftl
index 566444f..4f1d1b0 100644
--- a/addon/locale/zh-CN/addon.ftl
+++ b/addon/locale/zh-CN/addon.ftl
@@ -105,6 +105,7 @@ editor-toolbar-settings-copyLinkAtSection=复制当前节({ $section })笔记链
 editor-toolbar-settings-openParent=打开附件
 editor-toolbar-settings-export=导出当前笔记...
 editor-toolbar-settings-refreshSyncing=立即同步
+editor-toolbar-settings-updateRelatedNotes = 更新关联笔记
 editor-toolbar-link-title=链接当前笔记到工作区
 editor-toolbar-link-popup-nodata=工作区笔记不可用
 
diff --git a/addon/locale/zh-CN/preferences.ftl b/addon/locale/zh-CN/preferences.ftl
index c94f0ac..9781d4d 100644
--- a/addon/locale/zh-CN/preferences.ftl
+++ b/addon/locale/zh-CN/preferences.ftl
@@ -6,6 +6,7 @@ workspace-autoUpdateRelatedNotes =
     .label = 自动更新"相关"
 sync-title = 同步
 sync-period-label = 自动同步周期 (秒)
+sync-attachmentFolder-label = 附件文件夹
 sync-manager =
     .label = 打开同步管理器
 template-title = 模板
diff --git a/addon/prefs.js b/addon/prefs.js
index 771f742..95b1609 100644
--- a/addon/prefs.js
+++ b/addon/prefs.js
@@ -2,6 +2,7 @@ pref("__prefsPrefix__.recentMainNoteIds", "");
 
 pref("__prefsPrefix__.syncNoteIds", "");
 pref("__prefsPrefix__.syncPeriodSeconds", 30);
+pref("__prefsPrefix__.syncAttachmentFolder", "attachments");
 
 pref("__prefsPrefix__.autoAnnotation", false);
 
diff --git a/package.json b/package.json
index 123a90b..2d6f487 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "zotero-better-notes",
-  "version": "1.1.4-31",
+  "version": "1.1.4-36",
   "description": "Everything about note management. All in Zotero.",
   "config": {
     "addonName": "Better Notes for Zotero",
@@ -98,6 +98,6 @@
     "release-it": "^16.1.5",
     "replace-in-file": "^7.0.1",
     "typescript": "^5.2.2",
-    "zotero-types": "^1.3.2"
+    "zotero-types": "^1.3.5"
   }
 }
diff --git a/src/hooks.ts b/src/hooks.ts
index 4801523..bb268e3 100644
--- a/src/hooks.ts
+++ b/src/hooks.ts
@@ -26,9 +26,7 @@ import {
 import { registerNotify } from "./modules/notify";
 import { showWorkspaceWindow } from "./modules/workspace/window";
 import {
-  checkReaderAnnotationButton,
-  registerReaderInitializer,
-  unregisterReaderInitializer,
+  registerReaderAnnotationButton,
 } from "./modules/reader";
 import { setSyncing, callSyncing } from "./modules/sync/hooks";
 import {
@@ -70,6 +68,8 @@ async function onStartup() {
 
   registerPrefsWindow();
 
+  registerReaderAnnotationButton();
+
   initSyncList();
 
   setSyncing();
@@ -88,19 +88,15 @@ async function onMainWindowLoad(win: Window): Promise<void> {
 
   registerWorkspaceTab();
 
-  registerReaderInitializer();
-
   initTemplates();
 }
 
 async function onMainWindowUnload(win: Window): Promise<void> {
   ztoolkit.unregisterAll();
-  unregisterReaderInitializer();
 }
 
 function onShutdown(): void {
   ztoolkit.unregisterAll();
-  unregisterReaderInitializer();
   // Remove addon object
   addon.data.alive = false;
   unregisterWorkspaceTab();
@@ -150,15 +146,6 @@ function onNotify(
       });
     }
   }
-  // Reader annotation buttons update
-  if (event === "add" && type === "item") {
-    const annotationItems = Zotero.Items.get(ids as number[]).filter((item) =>
-      item.isAnnotation(),
-    );
-    if (annotationItems.length !== 0) {
-      checkReaderAnnotationButton(annotationItems);
-    }
-  }
   // Insert annotation when assigning tag starts with @
   if (event === "add" && type === "item-tag") {
     annotationTagAction(ids as number[], extraData);
diff --git a/src/modules/convert/api.ts b/src/modules/convert/api.ts
index da67d39..c663e7b 100644
--- a/src/modules/convert/api.ts
+++ b/src/modules/convert/api.ts
@@ -38,6 +38,7 @@ import {
   getNoteLinkParams,
 } from "../../utils/link";
 import { parseAnnotationHTML } from "../../utils/annotation";
+import { getPref } from "../../utils/prefs";
 
 export {
   md2note,
@@ -79,7 +80,7 @@ async function note2md(
   await processN2MRehypeImageNodes(
     getN2MRehypeImageNodes(rehype),
     noteItem.libraryID,
-    jointPath(dir, "attachments"),
+    jointPath(dir, getPref("syncAttachmentFolder") as string),
     options.skipSavingImages,
     false,
     NodeMode.direct,
@@ -134,7 +135,7 @@ async function md2note(
   const _note = rehype2note(_rehype as HRoot);
   const rehype = note2rehype(_note);
 
-  // Check if image already belongs to note
+  // Check if image citation already belongs to note
   processM2NRehypeMetaImageNodes(getM2NRehypeImageNodes(rehype));
 
   processM2NRehypeHighlightNodes(getM2NRehypeHighlightNodes(rehype));
@@ -441,8 +442,7 @@ function md2remark(str: string) {
     .replace(/!\[\[(.*)\]\]/g, (s: string) => `![](${s.slice(3, -2)})`)
     .replace(
       /!\[(.*)\]\((.*)\)/g,
-      (match, altText, imageURL) =>
-        `![${altText}](${encodeURI(imageURL)})`,
+      (match, altText, imageURL) => `![${altText}](${encodeURI(imageURL)})`,
     );
   const remark = unified()
     .use(remarkGfm)
@@ -945,7 +945,10 @@ async function processN2MRehypeImageNodes(
       newFile = formatPath(
         absolutePath
           ? newFile
-          : `attachments/${PathUtils.split(newFile).pop()}`,
+          : jointPath(
+              getPref("syncAttachmentFolder") as string,
+              PathUtils.split(newFile).pop() || "",
+            ),
       );
     } catch (e) {
       ztoolkit.log(e);
@@ -1119,7 +1122,6 @@ function processM2NRehypeNoteLinkNodes(nodes: string | any[]) {
 }
 
 async function processM2NRehypeImageNodes(
-  this: any,
   nodes: any[],
   noteItem: Zotero.Item,
   fileDir: string,
@@ -1129,26 +1131,36 @@ async function processM2NRehypeImageNodes(
     return;
   }
 
+  let attKeys = [] as string[];
+  if (isImport) {
+    attKeys = Zotero.Items.get(noteItem.getAttachments()).map(
+      (item) => item.key,
+    );
+  }
+
   for (const node of nodes) {
     if (isImport) {
-      // We encode the src in md2remark and decode it here.
-      let src = formatPath(decodeURIComponent(node.properties.src));
-      const srcType = (src as string).startsWith("data:")
-        ? "b64"
-        : (src as string).startsWith("http")
-        ? "url"
-        : "file";
-      if (srcType === "file") {
-        if (!PathUtils.isAbsolute(src)) {
-          src = jointPath(fileDir, src);
-        }
-        if (!(await fileExists(src))) {
-          ztoolkit.log("parse image, path invalid", src);
-          continue;
+      // If image is already an attachment of note, skip import
+      if (!attKeys.includes(node.properties.dataAttachmentKey)) {
+        // We encode the src in md2remark and decode it here.
+        let src = formatPath(decodeURIComponent(node.properties.src));
+        const srcType = (src as string).startsWith("data:")
+          ? "b64"
+          : (src as string).startsWith("http")
+          ? "url"
+          : "file";
+        if (srcType === "file") {
+          if (!PathUtils.isAbsolute(src)) {
+            src = jointPath(fileDir, src);
+          }
+          if (!(await fileExists(src))) {
+            ztoolkit.log("parse image, path invalid", src);
+            continue;
+          }
         }
+        const key = await importImageToNote(noteItem, src, srcType);
+        node.properties.dataAttachmentKey = key;
       }
-      const key = await importImageToNote(noteItem, src, srcType);
-      node.properties.dataAttachmentKey = key;
     }
     delete node.properties.src;
     node.properties.ztype && delete node.properties.ztype;
diff --git a/src/modules/editor/toolbar.ts b/src/modules/editor/toolbar.ts
index 0773ef9..dc79a5f 100644
--- a/src/modules/editor/toolbar.ts
+++ b/src/modules/editor/toolbar.ts
@@ -159,7 +159,7 @@ export async function initEditorToolbar(editor: Zotero.EditorInstance) {
           },
           {
             id: makeId("settings-updateRelatedNotes"),
-            text: getString("editor.toolbar.settings.updateRelatedNotes"),
+            text: getString("editor-toolbar-settings-updateRelatedNotes"),
             callback: (e) => {
               addon.api.note.updateRelatedNotes(e.editor._item.id);
             },
diff --git a/src/modules/export/markdown.ts b/src/modules/export/markdown.ts
index 4ed103d..1bfb601 100644
--- a/src/modules/export/markdown.ts
+++ b/src/modules/export/markdown.ts
@@ -1,4 +1,5 @@
 import { showHintWithLink } from "../../utils/hint";
+import { getPref } from "../../utils/prefs";
 import { formatPath, jointPath } from "../../utils/str";
 
 export async function saveMD(
@@ -10,12 +11,15 @@ export async function saveMD(
   },
 ) {
   const noteItem = Zotero.Items.get(noteId);
-  const dir = jointPath(
-    ...PathUtils.split(formatPath(filename)).slice(0, -1),
-  );
+  const dir = jointPath(...PathUtils.split(formatPath(filename)).slice(0, -1));
+  await IOUtils.makeDirectory(dir);
   const hasImage = noteItem.getNote().includes("<img");
   if (hasImage) {
-    await Zotero.File.createDirectoryIfMissingAsync(dir);
+    const attachmentsDir = jointPath(
+      dir,
+      getPref("syncAttachmentFolder") as string,
+    );
+    await IOUtils.makeDirectory(attachmentsDir);
   }
   await Zotero.File.putContentsAsync(
     filename,
@@ -29,13 +33,16 @@ export async function saveMD(
 
 export async function syncMDBatch(saveDir: string, noteIds: number[]) {
   const noteItems = Zotero.Items.get(noteIds);
-  await Zotero.File.createDirectoryIfMissingAsync(saveDir);
-  const attachmentsDir = jointPath(saveDir, "attachments");
+  await IOUtils.makeDirectory(saveDir);
+  const attachmentsDir = jointPath(
+    saveDir,
+    getPref("syncAttachmentFolder") as string,
+  );
   const hasImage = noteItems.some((noteItem) =>
     noteItem.getNote().includes("<img"),
   );
   if (hasImage) {
-    await Zotero.File.createDirectoryIfMissingAsync(attachmentsDir);
+    await IOUtils.makeDirectory(attachmentsDir);
   }
   for (const noteItem of noteItems) {
     const filename = await addon.api.sync.getMDFileName(noteItem.id, saveDir);
diff --git a/src/modules/reader.ts b/src/modules/reader.ts
index b98f2e3..42d9a9b 100644
--- a/src/modules/reader.ts
+++ b/src/modules/reader.ts
@@ -1,153 +1,72 @@
-import { TagElementProps } from "zotero-plugin-toolkit/dist/tools/ui";
 import { config } from "../../package.json";
 import { ICONS } from "../utils/config";
 import { getNoteLink, getNoteLinkParams } from "../utils/link";
 import { addLineToNote } from "../utils/note";
 
-export function registerReaderInitializer() {
-  ztoolkit.ReaderInstance.register(
-    "initialized",
-    `${config.addonRef}-annotationButtons`,
-    initializeReaderAnnotationButton,
+export function registerReaderAnnotationButton() {
+  Zotero.Reader.registerEventListener(
+    "renderSidebarAnnotationHeader",
+    (event) => {
+      const { doc, append, params } = event;
+      const annotationData = params.annotation;
+      const annotationItem = Zotero.Items.getByLibraryAndKey(
+        annotationData.libraryID,
+        annotationData.id,
+      ) as Zotero.Item;
+
+      if (!annotationItem) {
+        return;
+      }
+      const itemID = annotationItem.id;
+      append(
+        ztoolkit.UI.createElement(doc, "div", {
+          tag: "div",
+          classList: ["icon"],
+          properties: {
+            innerHTML: ICONS.readerQuickNote,
+          },
+          listeners: [
+            {
+              type: "click",
+              listener: (e) => {
+                createNoteFromAnnotation(
+                  itemID,
+                  (e as MouseEvent).shiftKey ? "standalone" : "auto",
+                );
+                e.preventDefault();
+              },
+            },
+            {
+              type: "mouseover",
+              listener: (e) => {
+                (e.target as HTMLElement).style.backgroundColor = "#F0F0F0";
+              },
+            },
+            {
+              type: "mouseout",
+              listener: (e) => {
+                (e.target as HTMLElement).style.removeProperty(
+                  "background-color",
+                );
+              },
+            },
+          ],
+          enableElementRecord: true,
+        }),
+      );
+    },
+    config.addonID,
   );
-  // Force re-initialize
-  Zotero.Reader._readers.forEach((r) => {
-    initializeReaderAnnotationButton(r);
-  });
-}
-
-export function unregisterReaderInitializer() {
-  Zotero.Reader._readers.forEach((r) => {
-    unInitializeReaderAnnotationButton(r);
-  });
-}
-
-export async function checkReaderAnnotationButton(items: Zotero.Item[]) {
-  const hitSet = new Set<number>();
-  let t = 0;
-  const period = 100;
-  const wait = 5000;
-  while (items.length > hitSet.size && t < wait) {
-    for (const instance of Zotero.Reader._readers) {
-      const hitItems = await initializeReaderAnnotationButton(instance);
-      hitItems.forEach((item) => hitSet.add(item.id));
-    }
-    await Zotero.Promise.delay(period);
-    t += period;
-  }
-}
-
-async function initializeReaderAnnotationButton(
-  instance: _ZoteroTypes.ReaderInstance,
-): Promise<Zotero.Item[]> {
-  if (!instance) {
-    return [];
-  }
-  await instance._initPromise;
-  await instance._waitForReader();
-  const _document = instance._iframeWindow?.document;
-  if (!_document) {
-    return [];
-  }
-  const hitItems: Zotero.Item[] = [];
-  for (const moreButton of Array.from(_document.querySelectorAll(".more"))) {
-    if (moreButton.getAttribute("_betternotesInitialized") === "true") {
-      continue;
-    }
-    moreButton.setAttribute("_betternotesInitialized", "true");
-
-    let annotationWrapper = moreButton;
-    while (!annotationWrapper.getAttribute("data-sidebar-annotation-id")) {
-      annotationWrapper = annotationWrapper.parentElement!;
-    }
-    const itemKey =
-      annotationWrapper.getAttribute("data-sidebar-annotation-id") || "";
-    if (!instance.itemID) {
-      continue;
-    }
-    const libraryID = Zotero.Items.get(instance.itemID).libraryID;
-    const annotationItem = (await Zotero.Items.getByLibraryAndKeyAsync(
-      libraryID,
-      itemKey,
-    )) as Zotero.Item;
-
-    if (!annotationItem) {
-      continue;
-    }
-
-    hitItems.push(annotationItem);
-
-    const annotationButtons: TagElementProps[] = [
-      {
-        tag: "div",
-        classList: ["icon"],
-        properties: {
-          innerHTML: ICONS.readerQuickNote,
-        },
-        listeners: [
-          {
-            type: "click",
-            listener: (e) => {
-              createNoteFromAnnotation(
-                annotationItem,
-                (e as MouseEvent).shiftKey ? "standalone" : "auto",
-              );
-              e.preventDefault();
-            },
-          },
-          {
-            type: "mouseover",
-            listener: (e) => {
-              (e.target as HTMLElement).style.backgroundColor = "#F0F0F0";
-            },
-          },
-          {
-            type: "mouseout",
-            listener: (e) => {
-              (e.target as HTMLElement).style.removeProperty(
-                "background-color",
-              );
-            },
-          },
-        ],
-        enableElementRecord: true,
-      },
-    ];
-
-    ztoolkit.UI.insertElementBefore(
-      {
-        tag: "fragment",
-        children: annotationButtons,
-      },
-      moreButton,
-    );
-  }
-  return hitItems;
-}
-
-async function unInitializeReaderAnnotationButton(
-  instance: _ZoteroTypes.ReaderInstance,
-): Promise<void> {
-  if (!instance) {
-    return;
-  }
-  await instance._initPromise;
-  await instance._waitForReader();
-  const _document = instance._iframeWindow?.document;
-  if (!_document) {
-    return;
-  }
-  for (const moreButton of Array.from(_document.querySelectorAll(".more"))) {
-    if (moreButton.getAttribute("_betternotesInitialized") === "true") {
-      moreButton.removeAttribute("_betternotesInitialized");
-    }
-  }
 }
 
 async function createNoteFromAnnotation(
-  annotationItem: Zotero.Item,
+  itemID: number,
   openMode: "standalone" | "auto" = "auto",
 ) {
+  const annotationItem = Zotero.Items.get(itemID);
+  if (!annotationItem) {
+    return;
+  }
   const annotationTags = annotationItem.getTags().map((_) => _.tag);
   const linkRegex = new RegExp("^zotero://note/(.*)$");
   for (const tag of annotationTags) {
diff --git a/src/modules/template/api.ts b/src/modules/template/api.ts
index 1729461..98fdd40 100644
--- a/src/modules/template/api.ts
+++ b/src/modules/template/api.ts
@@ -216,7 +216,7 @@ async function runItemTemplate(
 
 async function getItemTemplateData() {
   // If topItems are pre-defined, use it without asking
-  if (addon.data.template.picker.data.topItemIds?.length !== 0) {
+  if (addon.data.template.picker.data.topItemIds?.length > 0) {
     return addon.data.template.picker.data.topItemIds;
   }
   const librarySelectedIds = addon.data.template.picker.data
diff --git a/src/utils/str.ts b/src/utils/str.ts
index c6c3230..bcd236f 100644
--- a/src/utils/str.ts
+++ b/src/utils/str.ts
@@ -91,7 +91,9 @@ export async function fileExists(path: string): Promise<boolean> {
 
 export function jointPath(...paths: string[]) {
   try {
-    return formatPath(pathHelper.join(...paths));
+    return formatPath(
+      pathHelper.join(...paths.map((p) => p.replaceAll("\\", "/"))),
+    );
   } catch (e) {
     ztoolkit.log("[jointPath]", e);
     return "";
diff --git a/src/utils/ztoolkit.ts b/src/utils/ztoolkit.ts
index e995e06..1587323 100644
--- a/src/utils/ztoolkit.ts
+++ b/src/utils/ztoolkit.ts
@@ -38,7 +38,6 @@ import { VirtualizedTableHelper } from "zotero-plugin-toolkit/dist/helpers/virtu
 import { LibraryTabPanelManager } from "zotero-plugin-toolkit/dist/managers/libraryTabPanel";
 import { MenuManager } from "zotero-plugin-toolkit/dist/managers/menu";
 import { PromptManager } from "zotero-plugin-toolkit/dist/managers/prompt";
-import { ReaderInstanceManager } from "zotero-plugin-toolkit/dist/managers/readerInstance";
 import { ReaderTabPanelManager } from "zotero-plugin-toolkit/dist/managers/readerTabPanel";
 import { LargePrefHelper } from "zotero-plugin-toolkit/dist/helpers/largePref";
 
@@ -47,7 +46,6 @@ class MyToolkit extends BasicTool {
   Prompt: PromptManager;
   LibraryTabPanel: LibraryTabPanelManager;
   ReaderTabPanel: ReaderTabPanelManager;
-  ReaderInstance: ReaderInstanceManager;
   Menu: MenuManager;
   PreferencePane: PreferencePaneManager;
   Clipboard: typeof ClipboardHelper;
@@ -63,7 +61,6 @@ class MyToolkit extends BasicTool {
     this.Prompt = new PromptManager(this);
     this.LibraryTabPanel = new LibraryTabPanelManager(this);
     this.ReaderTabPanel = new ReaderTabPanelManager(this);
-    this.ReaderInstance = new ReaderInstanceManager(this);
     this.Menu = new MenuManager(this);
     this.PreferencePane = new PreferencePaneManager(this);
     this.Clipboard = ClipboardHelper;
diff --git a/typings/global.d.ts b/typings/global.d.ts
index e9e395c..0cae16c 100644
--- a/typings/global.d.ts
+++ b/typings/global.d.ts
@@ -32,6 +32,4 @@ declare const addon: import("../src/addon").default;
 
 declare const __env__: "production" | "development";
 
-declare const ChromeUtils: any;
-
 declare class Localization {}