diff --git a/src/public/app/desktop.ts b/src/public/app/desktop.ts
index 9c8d4cd22..025132495 100644
--- a/src/public/app/desktop.ts
+++ b/src/public/app/desktop.ts
@@ -11,7 +11,6 @@ import options from "./services/options.js";
 import type ElectronRemote from "@electron/remote";
 import type Electron from "electron";
 import "../stylesheets/bootstrap.scss";
-import rightPaneTabManager from "./services/right_pane_tab_manager.js";
 
 await appContext.earlyInit();
 
diff --git a/src/public/app/layouts/desktop_layout.ts b/src/public/app/layouts/desktop_layout.ts
index cc892e2b3..5745df470 100644
--- a/src/public/app/layouts/desktop_layout.ts
+++ b/src/public/app/layouts/desktop_layout.ts
@@ -87,7 +87,6 @@ import utils from "../services/utils.js";
 import GeoMapButtons from "../widgets/floating_buttons/geo_map_button.js";
 import ContextualHelpButton from "../widgets/floating_buttons/help_button.js";
 import CloseZenButton from "../widgets/close_zen_button.js";
-import rightPaneTabManager from "../services/right_pane_tab_manager.js";
 import type { AppContext } from "./../components/app_context.js";
 import type { WidgetsByParent } from "../services/bundle.js";
 import SwitchSplitOrientationButton from "../widgets/floating_buttons/switch_layout_button.js";
@@ -246,7 +245,6 @@ export default class DesktopLayout {
                                     )
                                     .child(
                                         new RightPaneContainer()
-                                            .id("right-pane-container")
                                             .child(new TocWidget())
                                             .child(new HighlightsListWidget())
                                             .child(...this.customWidgets.get("right-pane"))
diff --git a/src/public/app/services/right_pane_tab_manager.js b/src/public/app/services/right_pane_tab_manager.js
deleted file mode 100644
index c8df13b60..000000000
--- a/src/public/app/services/right_pane_tab_manager.js
+++ /dev/null
@@ -1,127 +0,0 @@
-/**
- * Manager for tabs in the right pane
- */
-class RightPaneTabManager {
-    constructor() {
-        this.tabs = [];
-        this.activeTab = null;
-        this.$tabContainer = null;
-        this.$contentContainer = null;
-        this.initialized = false;
-    }
-
-    /**
-     * Initialize the tab manager with container elements
-     */
-    init($tabContainer, $contentContainer) {
-        this.$tabContainer = $tabContainer;
-        this.$contentContainer = $contentContainer;
-        this.initialized = true;
-        this.renderTabs();
-    }
-
-    /**
-     * Add a new tab context
-     */
-    addTabContext(tabContext) {
-        this.tabs.push(tabContext);
-
-        if (this.initialized) {
-            this.renderTabs();
-
-            // If this is the first tab, activate it
-            if (this.tabs.length === 1) {
-                this.activateTab(tabContext);
-            }
-        }
-    }
-
-    /**
-     * Render all tabs
-     */
-    renderTabs() {
-        if (!this.initialized) return;
-
-        this.$tabContainer.empty();
-
-        for (const tab of this.tabs) {
-            const $tab = $('<div class="right-pane-tab"></div>')
-                .attr('data-tab-id', this.tabs.indexOf(tab))
-                .append(tab.renderTitle(tab.title))
-                .toggleClass('active', tab === this.activeTab)
-                .on('click', () => {
-                    this.activateTab(tab);
-                });
-
-            this.$tabContainer.append($tab);
-        }
-    }
-
-    /**
-     * Activate a specific tab
-     */
-    activateTab(tabContext) {
-        if (this.activeTab === tabContext) return;
-
-        // Deactivate current tab
-        if (this.activeTab) {
-            this.activeTab.deactivate();
-        }
-
-        // Activate new tab
-        this.activeTab = tabContext;
-        tabContext.activate();
-
-        // Update UI
-        if (this.initialized) {
-            this.renderTabs();
-            this.renderContent();
-        }
-    }
-
-    /**
-     * Render the content of the active tab
-     */
-    renderContent() {
-        if (!this.initialized || !this.activeTab) return;
-
-        this.$contentContainer.empty();
-
-        const widget = this.activeTab.widget;
-        if (widget) {
-            if (typeof widget.render === 'function') {
-                const $renderedWidget = widget.render();
-                this.$contentContainer.append($renderedWidget);
-            } else if (widget instanceof jQuery) {
-                this.$contentContainer.append(widget);
-            } else if (widget.nodeType) {
-                this.$contentContainer.append($(widget));
-            }
-        }
-    }
-
-    /**
-     * Remove a tab
-     */
-    removeTab(tabContext) {
-        const index = this.tabs.indexOf(tabContext);
-        if (index !== -1) {
-            this.tabs.splice(index, 1);
-
-            if (this.activeTab === tabContext) {
-                this.activeTab = this.tabs.length > 0 ? this.tabs[0] : null;
-                if (this.activeTab) {
-                    this.activeTab.activate();
-                }
-            }
-
-            if (this.initialized) {
-                this.renderTabs();
-                this.renderContent();
-            }
-        }
-    }
-}
-
-const rightPaneTabManager = new RightPaneTabManager();
-export default rightPaneTabManager;
diff --git a/src/public/app/widgets/right_panel_tabs.js b/src/public/app/widgets/right_panel_tabs.js
deleted file mode 100644
index 83660d3b1..000000000
--- a/src/public/app/widgets/right_panel_tabs.js
+++ /dev/null
@@ -1,49 +0,0 @@
-/**
- * TabContext represents a tab in the right pane that can contain any widget
- */
-export default class TabContext {
-    /**
-     * @param {string} title - Tab title
-     * @param {object} widget - Widget to display in the tab
-     */
-    constructor(title, widget) {
-        this.title = title;
-        this.widget = widget;
-        this.active = false;
-    }
-
-    /**
-     * Custom renderer for the tab title
-     * @param {string} title
-     * @returns {JQuery}
-     */
-    renderTitle(title) {
-        return $(`<span class="tab-title">${title}</span>`);
-    }
-
-    /**
-     * Activate this tab
-     */
-    activate() {
-        this.active = true;
-
-        if (this.widget && typeof this.widget.activeTabChanged === 'function') {
-            this.widget.activeTabChanged(true);
-        }
-
-        if (typeof rightPaneTabManager.activateTab === 'function') {
-            rightPaneTabManager.activateTab(this);
-        }
-    }
-
-    /**
-     * Deactivate this tab
-     */
-    deactivate() {
-        this.active = false;
-
-        if (this.widget && typeof this.widget.activeTabChanged === 'function') {
-            this.widget.activeTabChanged(false);
-        }
-    }
-}