diff --git a/src/vs/workbench/browser/parts/compositePart.ts b/src/vs/workbench/browser/parts/compositePart.ts
index 19c56d9b5092c..c86d7fd78f5cb 100644
--- a/src/vs/workbench/browser/parts/compositePart.ts
+++ b/src/vs/workbench/browser/parts/compositePart.ts
@@ -187,9 +187,9 @@ export abstract class CompositePart<T extends Composite> extends Part {
 					this._register(that.onDidCompositeClose.event(e => this.onScopeClosed(e.getId())));
 				}
 			}());
-			const compositeInstantiationService = this.instantiationService.createChild(new ServiceCollection(
+			const compositeInstantiationService = this._register(this.instantiationService.createChild(new ServiceCollection(
 				[IEditorProgressService, compositeProgressIndicator] // provide the editor progress service for any editors instantiated within the composite
-			));
+			)));
 
 			const composite = compositeDescriptor.instantiate(compositeInstantiationService);
 			const disposable = new DisposableStore();
diff --git a/src/vs/workbench/browser/parts/editor/auxiliaryEditorPart.ts b/src/vs/workbench/browser/parts/editor/auxiliaryEditorPart.ts
index f0341568cf00f..279fc5713c440 100644
--- a/src/vs/workbench/browser/parts/editor/auxiliaryEditorPart.ts
+++ b/src/vs/workbench/browser/parts/editor/auxiliaryEditorPart.ts
@@ -203,10 +203,10 @@ export class AuxiliaryEditorPart {
 		auxiliaryWindow.layout();
 
 		// Have a InstantiationService that is scoped to the auxiliary window
-		const instantiationService = this.instantiationService.createChild(new ServiceCollection(
+		const instantiationService = disposables.add(this.instantiationService.createChild(new ServiceCollection(
 			[IStatusbarService, this.statusbarService.createScoped(statusbarPart, disposables)],
 			[IEditorService, this.editorService.createScoped(editorPart, disposables)]
-		));
+		)));
 
 		return {
 			part: editorPart,
diff --git a/src/vs/workbench/browser/parts/editor/editorGroupView.ts b/src/vs/workbench/browser/parts/editor/editorGroupView.ts
index 4dc40e9aba93e..d847ef501378f 100644
--- a/src/vs/workbench/browser/parts/editor/editorGroupView.ts
+++ b/src/vs/workbench/browser/parts/editor/editorGroupView.ts
@@ -197,10 +197,10 @@ export class EditorGroupView extends Themable implements IEditorGroupView {
 			this.progressBar.hide();
 
 			// Scoped instantiation service
-			this.scopedInstantiationService = this.instantiationService.createChild(new ServiceCollection(
+			this.scopedInstantiationService = this._register(this.instantiationService.createChild(new ServiceCollection(
 				[IContextKeyService, this.scopedContextKeyService],
 				[IEditorProgressService, this._register(new EditorProgressIndicator(this.progressBar, this))]
-			));
+			)));
 
 			// Context keys
 			this.resourceContext = this._register(this.scopedInstantiationService.createInstance(ResourceContextKey));
diff --git a/src/vs/workbench/browser/parts/editor/editorPart.ts b/src/vs/workbench/browser/parts/editor/editorPart.ts
index 1fa0dcbeb395a..e467ab0270ea3 100644
--- a/src/vs/workbench/browser/parts/editor/editorPart.ts
+++ b/src/vs/workbench/browser/parts/editor/editorPart.ts
@@ -978,9 +978,9 @@ export class EditorPart extends Part implements IEditorPart, IEditorGroupsView {
 
 		// Scoped instantiation service
 		const scopedContextKeyService = this._register(this.contextKeyService.createScoped(this.container));
-		this.scopedInstantiationService = this.instantiationService.createChild(new ServiceCollection(
+		this.scopedInstantiationService = this._register(this.instantiationService.createChild(new ServiceCollection(
 			[IContextKeyService, scopedContextKeyService]
-		));
+		)));
 
 		// Grid control
 		this._willRestoreState = !options || options.restorePreviousState;
diff --git a/src/vs/workbench/browser/parts/editor/editorStatus.ts b/src/vs/workbench/browser/parts/editor/editorStatus.ts
index dc58c035fed62..c2ceeb2d7d72a 100644
--- a/src/vs/workbench/browser/parts/editor/editorStatus.ts
+++ b/src/vs/workbench/browser/parts/editor/editorStatus.ts
@@ -893,9 +893,9 @@ export class EditorStatusContribution extends Disposable implements IWorkbenchCo
 		super();
 
 		// Main Editor Status
-		const mainInstantiationService = instantiationService.createChild(new ServiceCollection(
+		const mainInstantiationService = this._register(instantiationService.createChild(new ServiceCollection(
 			[IEditorService, editorService.createScoped('main', this._store)]
-		));
+		)));
 		this._register(mainInstantiationService.createInstance(EditorStatus, mainWindow.vscodeWindowId));
 
 		// Auxiliary Editor Status
diff --git a/src/vs/workbench/browser/parts/editor/editorTabsControl.ts b/src/vs/workbench/browser/parts/editor/editorTabsControl.ts
index 0031e18c565fd..e006ebd9040b0 100644
--- a/src/vs/workbench/browser/parts/editor/editorTabsControl.ts
+++ b/src/vs/workbench/browser/parts/editor/editorTabsControl.ts
@@ -146,9 +146,9 @@ export abstract class EditorTabsControl extends Themable implements IEditorTabsC
 		super(themeService);
 
 		this.contextMenuContextKeyService = this._register(this.contextKeyService.createScoped(parent));
-		const scopedInstantiationService = this.instantiationService.createChild(new ServiceCollection(
+		const scopedInstantiationService = this._register(this.instantiationService.createChild(new ServiceCollection(
 			[IContextKeyService, this.contextMenuContextKeyService],
-		));
+		)));
 
 		this.resourceContext = this._register(scopedInstantiationService.createInstance(ResourceContextKey));
 
diff --git a/src/vs/workbench/contrib/languageStatus/browser/languageStatus.contribution.ts b/src/vs/workbench/contrib/languageStatus/browser/languageStatus.contribution.ts
index f9fa228eb3935..fd3f51d356068 100644
--- a/src/vs/workbench/contrib/languageStatus/browser/languageStatus.contribution.ts
+++ b/src/vs/workbench/contrib/languageStatus/browser/languageStatus.contribution.ts
@@ -72,9 +72,9 @@ class LanguageStatusContribution extends Disposable implements IWorkbenchContrib
 		super();
 
 		// --- main language status
-		const mainInstantiationService = instantiationService.createChild(new ServiceCollection(
+		const mainInstantiationService = this._register(instantiationService.createChild(new ServiceCollection(
 			[IEditorService, editorService.createScoped('main', this._store)]
-		));
+		)));
 		this._register(mainInstantiationService.createInstance(LanguageStatus));
 
 		// --- auxiliary language status