diff --git a/extensions/emmet/src/test/reflectCssValue.test.ts b/extensions/emmet/src/test/reflectCssValue.test.ts
index 228c62ed960..001ec1c8973 100644
--- a/extensions/emmet/src/test/reflectCssValue.test.ts
+++ b/extensions/emmet/src/test/reflectCssValue.test.ts
@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import * as assert from 'assert';
-import { Selection, commands } from 'vscode';
+import { Selection } from 'vscode';
 import { withRandomFileEditor, closeAllEditors } from './testUtils';
 import { reflectCssValue } from '../reflectCssValue';
 
diff --git a/extensions/emmet/src/test/updateImageSize.test.ts b/extensions/emmet/src/test/updateImageSize.test.ts
index 2fadbe94d58..cd43863e738 100644
--- a/extensions/emmet/src/test/updateImageSize.test.ts
+++ b/extensions/emmet/src/test/updateImageSize.test.ts
@@ -7,11 +7,9 @@ import * as assert from 'assert';
 import { Selection } from 'vscode';
 import { withRandomFileEditor, closeAllEditors } from './testUtils';
 import { updateImageSize } from '../updateImageSize';
-import * as path from 'path';
 
 suite('Tests for Emmet actions on html tags', () => {
 	teardown(closeAllEditors);
-	const filePath = path.join(__dirname, '../../../../resources/linux/code.png');
 
 	test('update image css with multiple cursors in css file', () => {
 		const cssContents = `
diff --git a/src/vs/base/browser/ui/sash/sash.ts b/src/vs/base/browser/ui/sash/sash.ts
index 22c9ff134a2..2569e53d3ab 100644
--- a/src/vs/base/browser/ui/sash/sash.ts
+++ b/src/vs/base/browser/ui/sash/sash.ts
@@ -263,11 +263,6 @@ export class Sash extends EventEmitter {
 			this.$e = null;
 		}
 
-		if (this.gesture) {
-			this.gesture.dispose();
-			this.gesture = null;
-		}
-
 		super.dispose();
 	}
 }
diff --git a/src/vs/workbench/parts/welcome/walkThrough/electron-browser/walkThroughPart.ts b/src/vs/workbench/parts/welcome/walkThrough/electron-browser/walkThroughPart.ts
index d916ffa0e68..2eb59c0b93d 100644
--- a/src/vs/workbench/parts/welcome/walkThrough/electron-browser/walkThroughPart.ts
+++ b/src/vs/workbench/parts/welcome/walkThrough/electron-browser/walkThroughPart.ts
@@ -19,8 +19,6 @@ import { ITelemetryService } from 'vs/platform/telemetry/common/telemetry';
 import { WalkThroughInput } from 'vs/workbench/parts/welcome/walkThrough/node/walkThroughInput';
 import { IOpenerService } from 'vs/platform/opener/common/opener';
 import { marked } from 'vs/base/common/marked/marked';
-import { IModeService } from 'vs/editor/common/services/modeService';
-import { IFileService } from 'vs/platform/files/common/files';
 import { IModelService } from 'vs/editor/common/services/modelService';
 import { CodeEditor } from 'vs/editor/browser/codeEditor';
 import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
@@ -34,7 +32,6 @@ import { once } from 'vs/base/common/event';
 import { isObject } from 'vs/base/common/types';
 import { ICommandService, CommandsRegistry } from 'vs/platform/commands/common/commands';
 import { ICodeEditorService } from 'vs/editor/common/services/codeEditorService';
-import { IPartService } from 'vs/workbench/services/part/common/partService';
 import { IEditorOptions } from 'vs/editor/common/config/editorOptions';
 import { IMessageService, Severity } from 'vs/platform/message/common/message';
 import { IThemeService, registerThemingParticipant } from 'vs/platform/theme/common/themeService';
@@ -99,18 +96,12 @@ export class WalkThroughPart extends BaseEditor {
 		@IInstantiationService private instantiationService: IInstantiationService,
 		@IThemeService protected themeService: IThemeService,
 		@IOpenerService private openerService: IOpenerService,
-		// @ts-ignore unused injected service
-		@IFileService private fileService: IFileService,
 		@IModelService protected modelService: IModelService,
 		@IKeybindingService private keybindingService: IKeybindingService,
 		@IStorageService private storageService: IStorageService,
 		@IContextKeyService private contextKeyService: IContextKeyService,
 		@IConfigurationService private configurationService: IConfigurationService,
-		// @ts-ignore unused injected service
-		@IModeService private modeService: IModeService,
-		@IMessageService private messageService: IMessageService,
-		// @ts-ignore unused injected service
-		@IPartService private partService: IPartService
+		@IMessageService private messageService: IMessageService
 	) {
 		super(WalkThroughPart.ID, telemetryService, themeService);
 		this.editorFocus = WALK_THROUGH_FOCUS.bindTo(this.contextKeyService);