diff --git a/src/vs/workbench/browser/parts/auxiliarybar/auxiliaryBarPart.ts b/src/vs/workbench/browser/parts/auxiliarybar/auxiliaryBarPart.ts
index bb02c39dc96..82738560d38 100644
--- a/src/vs/workbench/browser/parts/auxiliarybar/auxiliaryBarPart.ts
+++ b/src/vs/workbench/browser/parts/auxiliarybar/auxiliaryBarPart.ts
@@ -114,6 +114,7 @@ export class AuxiliaryBarPart extends AbstractPaneCompositePart {
 			ViewContainerLocation.AuxiliaryBar,
 			Extensions.Auxiliary,
 			MenuId.AuxiliaryBarTitle,
+			undefined,
 			notificationService,
 			storageService,
 			contextMenuService,
diff --git a/src/vs/workbench/browser/parts/paneCompositePart.ts b/src/vs/workbench/browser/parts/paneCompositePart.ts
index e46ba514858..1f1187c3625 100644
--- a/src/vs/workbench/browser/parts/paneCompositePart.ts
+++ b/src/vs/workbench/browser/parts/paneCompositePart.ts
@@ -145,6 +145,7 @@ export abstract class AbstractPaneCompositePart extends CompositePart<PaneCompos
 		protected readonly location: ViewContainerLocation,
 		readonly registryId: string,
 		private readonly globalActionsMenuId: MenuId,
+		private readonly globalLeftActionsMenuId: MenuId | undefined,
 		@INotificationService notificationService: INotificationService,
 		@IStorageService storageService: IStorageService,
 		@IContextMenuService contextMenuService: IContextMenuService,
@@ -342,13 +343,11 @@ export abstract class AbstractPaneCompositePart extends CompositePart<PaneCompos
 			this.onTitleAreaContextMenu(new StandardMouseEvent(getWindow(titleArea), e));
 		}));
 
-		// Global Left Actions Toolbar (optional, subclasses provide a menu ID)
-		const globalLeftActionsMenuId = this.getGlobalLeftActionsMenuId();
-		if (globalLeftActionsMenuId) {
+		if (this.globalLeftActionsMenuId) {
 			const globalLeftTitleActionsContainer = titleArea.appendChild($('.global-actions-left'));
 			this.globalLeftToolBar = this._register(this.instantiationService.createInstance(MenuWorkbenchToolBar,
 				globalLeftTitleActionsContainer,
-				globalLeftActionsMenuId,
+				this.globalLeftActionsMenuId,
 				{
 					actionViewItemProvider: (action, options) => this.actionViewItemProvider(action, options),
 					orientation: ActionsOrientation.HORIZONTAL,
@@ -708,14 +707,6 @@ export abstract class AbstractPaneCompositePart extends CompositePart<PaneCompos
 		return undefined;
 	}
 
-	/**
-	 * Override in subclasses to provide a menu ID for a global toolbar on the left side
-	 * of the composite bar / title area. Returns `undefined` by default (no left toolbar).
-	 */
-	protected getGlobalLeftActionsMenuId(): MenuId | undefined {
-		return undefined;
-	}
-
 	protected abstract shouldShowCompositeBar(): boolean;
 	protected abstract getCompositeBarOptions(): IPaneCompositeBarOptions;
 	protected abstract getCompositeBarPosition(): CompositeBarPosition;
diff --git a/src/vs/workbench/browser/parts/panel/panelPart.ts b/src/vs/workbench/browser/parts/panel/panelPart.ts
index 235bad7416c..9afcf59619e 100644
--- a/src/vs/workbench/browser/parts/panel/panelPart.ts
+++ b/src/vs/workbench/browser/parts/panel/panelPart.ts
@@ -96,6 +96,7 @@ export class PanelPart extends AbstractPaneCompositePart {
 			ViewContainerLocation.Panel,
 			Extensions.Panels,
 			MenuId.PanelTitle,
+			undefined,
 			notificationService,
 			storageService,
 			contextMenuService,
diff --git a/src/vs/workbench/browser/parts/sidebar/sidebarPart.ts b/src/vs/workbench/browser/parts/sidebar/sidebarPart.ts
index f269e7586a8..101b9c6cf23 100644
--- a/src/vs/workbench/browser/parts/sidebar/sidebarPart.ts
+++ b/src/vs/workbench/browser/parts/sidebar/sidebarPart.ts
@@ -97,6 +97,7 @@ export class SidebarPart extends AbstractPaneCompositePart {
 			ViewContainerLocation.Sidebar,
 			Extensions.Viewlets,
 			MenuId.SidebarTitle,
+			undefined,
 			notificationService,
 			storageService,
 			contextMenuService,