diff --git a/src/vs/editor/common/services/modelServiceImpl.ts b/src/vs/editor/common/services/modelServiceImpl.ts
index a00463a4ad35bcf7fc49567b529629324fb5cb4d..8cf29738393dd12ca251edb11c025bfe1f145ac4 100644
--- a/src/vs/editor/common/services/modelServiceImpl.ts
+++ b/src/vs/editor/common/services/modelServiceImpl.ts
@@ -268,7 +268,7 @@ export class ModelServiceImpl extends Disposable implements IModelService {
 	private readonly _onModelRemoved: Emitter<ITextModel> = this._register(new Emitter<ITextModel>());
 	public readonly onModelRemoved: Event<ITextModel> = this._onModelRemoved.event;
 
-	private readonly _onModelModeChanged: Emitter<{ model: ITextModel; oldModeId: string; }> = this._register(new Emitter<{ model: ITextModel; oldModeId: string; }>({ leakWarningThreshold: 500 }));
+	private readonly _onModelModeChanged: Emitter<{ model: ITextModel; oldModeId: string; }> = this._register(new Emitter<{ model: ITextModel; oldModeId: string; }>());
 	public readonly onModelModeChanged: Event<{ model: ITextModel; oldModeId: string; }> = this._onModelModeChanged.event;
 
 	private _modelCreationOptionsByLanguageAndResource: {
diff --git a/src/vs/workbench/parts/extensions/node/extensionsWorkbenchService.ts b/src/vs/workbench/parts/extensions/node/extensionsWorkbenchService.ts
index 94bc7fad276b57983f34710c90dd8711b50d4768..62b7c34cf75ec59a8e93fe39ed339d79fe111aa4 100644
--- a/src/vs/workbench/parts/extensions/node/extensionsWorkbenchService.ts
+++ b/src/vs/workbench/parts/extensions/node/extensionsWorkbenchService.ts
@@ -371,7 +371,7 @@ export class ExtensionsWorkbenchService implements IExtensionsWorkbenchService,
 	private autoUpdateDelayer: ThrottledDelayer<void>;
 	private disposables: IDisposable[] = [];
 
-	private readonly _onChange: Emitter<IExtension | undefined> = new Emitter<IExtension | undefined>({ leakWarningThreshold: 200 });
+	private readonly _onChange: Emitter<IExtension | undefined> = new Emitter<IExtension | undefined>();
 	get onChange(): Event<IExtension | undefined> { return this._onChange.event; }
 
 	private _extensionAllowedBadgeProviders: string[];
@@ -1110,4 +1110,4 @@ export class ExtensionsWorkbenchService implements IExtensionsWorkbenchService,
 		this.syncDelayer.cancel();
 		this.disposables = dispose(this.disposables);
 	}
-}
\ No newline at end of file
+}
diff --git a/src/vs/workbench/services/configuration/node/configurationService.ts b/src/vs/workbench/services/configuration/node/configurationService.ts
index e879455a601c25de565fab173b1fb3ecfd29768e..6a4e63bc7b0dee8815b5b53470b690d78ca709e3 100644
--- a/src/vs/workbench/services/configuration/node/configurationService.ts
+++ b/src/vs/workbench/services/configuration/node/configurationService.ts
@@ -52,7 +52,7 @@ export class WorkspaceService extends Disposable implements IWorkspaceConfigurat
 
 	private workspaceEditingQueue: Queue<void>;
 
-	protected readonly _onDidChangeConfiguration: Emitter<IConfigurationChangeEvent> = this._register(new Emitter<IConfigurationChangeEvent>({ leakWarningThreshold: 500 }));
+	protected readonly _onDidChangeConfiguration: Emitter<IConfigurationChangeEvent> = this._register(new Emitter<IConfigurationChangeEvent>());
 	public readonly onDidChangeConfiguration: Event<IConfigurationChangeEvent> = this._onDidChangeConfiguration.event;
 
 	protected readonly _onDidChangeWorkspaceFolders: Emitter<IWorkspaceFoldersChangeEvent> = this._register(new Emitter<IWorkspaceFoldersChangeEvent>());
diff --git a/src/vs/workbench/services/decorations/browser/decorationsService.ts b/src/vs/workbench/services/decorations/browser/decorationsService.ts
index fbe224d33d3a5dfa873ae63d4a5bd2382bf152ba..2e3b151afc908a2f3e649bf1b388fa4e8cccda74 100644
--- a/src/vs/workbench/services/decorations/browser/decorationsService.ts
+++ b/src/vs/workbench/services/decorations/browser/decorationsService.ts
@@ -339,7 +339,7 @@ export class FileDecorationsService implements IDecorationsService {
 
 	private readonly _data = new LinkedList<DecorationProviderWrapper>();
 	private readonly _onDidChangeDecorationsDelayed = new Emitter<URI | URI[]>();
-	private readonly _onDidChangeDecorations = new Emitter<IResourceDecorationChangeEvent>({ leakWarningThreshold: 500 });
+	private readonly _onDidChangeDecorations = new Emitter<IResourceDecorationChangeEvent>();
 	private readonly _decorationStyles: DecorationStyles;
 	private readonly _disposables: IDisposable[];
 
diff --git a/src/vs/workbench/services/extensions/electron-browser/extensionService.ts b/src/vs/workbench/services/extensions/electron-browser/extensionService.ts
index e60b3e6c1775d72a56991d87849da9192eb5602d..7b0caef6c98c9776b800023cf63505245002f861 100644
--- a/src/vs/workbench/services/extensions/electron-browser/extensionService.ts
+++ b/src/vs/workbench/services/extensions/electron-browser/extensionService.ts
@@ -48,7 +48,7 @@ export class ExtensionService extends Disposable implements IExtensionService {
 	private _allRequestedActivateEvents: { [activationEvent: string]: boolean; };
 	private readonly _extensionScanner: CachedExtensionScanner;
 
-	private readonly _onDidRegisterExtensions: Emitter<void> = this._register(new Emitter<void>({ leakWarningThreshold: 500 }));
+	private readonly _onDidRegisterExtensions: Emitter<void> = this._register(new Emitter<void>());
 	public readonly onDidRegisterExtensions = this._onDidRegisterExtensions.event;
 
 	private readonly _onDidChangeExtensionsStatus: Emitter<string[]> = this._register(new Emitter<string[]>());
diff --git a/src/vs/workbench/services/themes/electron-browser/workbenchThemeService.ts b/src/vs/workbench/services/themes/electron-browser/workbenchThemeService.ts
index d5c5fa0653a32c9139c43c7066b2275729a3d566..985f2617f2138752a927b291b630fe4f2d03fdeb 100644
--- a/src/vs/workbench/services/themes/electron-browser/workbenchThemeService.ts
+++ b/src/vs/workbench/services/themes/electron-browser/workbenchThemeService.ts
@@ -103,7 +103,7 @@ export class WorkbenchThemeService implements IWorkbenchThemeService {
 		this.colorThemeStore = new ColorThemeStore(extensionService, ColorThemeData.createLoadedEmptyTheme(DEFAULT_THEME_ID, DEFAULT_THEME_SETTING_VALUE));
 		this.onFileIconThemeChange = new Emitter<IFileIconTheme>();
 		this.iconThemeStore = new FileIconThemeStore(extensionService);
-		this.onColorThemeChange = new Emitter<IColorTheme>({ leakWarningThreshold: 500 });
+		this.onColorThemeChange = new Emitter<IColorTheme>();
 
 		this.currentIconTheme = {
 			id: '',