diff --git a/src/compiler/compile/utils/compare_node.ts b/src/compiler/compile/utils/compare_node.ts
index a5ff42dc82..3cd9321ea9 100644
--- a/src/compiler/compile/utils/compare_node.ts
+++ b/src/compiler/compile/utils/compare_node.ts
@@ -12,8 +12,8 @@ export function compare_node(a: Node | void, b: Node | void) {
 				compare_node(a.object, (b as MemberExpression).object) &&
 				compare_node(a.property, (b as MemberExpression).property) &&
 				a.computed === (b as MemberExpression).computed
-      );
-    case 'Literal':
-      return a.value === (b as Literal).value;
+			);
+		case 'Literal':
+			return a.value === (b as Literal).value;
 	}
 }
diff --git a/src/compiler/compile/utils/stringify.ts b/src/compiler/compile/utils/stringify.ts
index 11649158b3..aa1c42c512 100644
--- a/src/compiler/compile/utils/stringify.ts
+++ b/src/compiler/compile/utils/stringify.ts
@@ -12,8 +12,8 @@ export function escape(data: string, { only_escape_at_symbol = false } = {}) {
 }
 
 const escaped = {
-  '"': '"',
-  "'": ''',
+	'"': '"',
+	"'": ''',
 	'&': '&',
 	'<': '&lt;',
 	'>': '&gt;'
diff --git a/test/parser/index.ts b/test/parser/index.ts
index 384f6a2681..fe48737c96 100644
--- a/test/parser/index.ts
+++ b/test/parser/index.ts
@@ -1,6 +1,6 @@
 import * as assert from 'assert';
 import * as fs from 'fs';
-import { svelte, tryToLoadJson, shouldUpdateExpected } from '../helpers';
+import { svelte, tryToLoadJson } from '../helpers';
 
 describe('parse', () => {
 	fs.readdirSync(`${__dirname}/samples`).forEach(dir => {
diff --git a/test/runtime/samples/nested-transition-if-block-not-remounted/_config.js b/test/runtime/samples/nested-transition-if-block-not-remounted/_config.js
index 30ff83b39f..1f2d5561fe 100644
--- a/test/runtime/samples/nested-transition-if-block-not-remounted/_config.js
+++ b/test/runtime/samples/nested-transition-if-block-not-remounted/_config.js
@@ -11,9 +11,8 @@ export default {
 		</div>
 	`,
 
-	test({ assert, component, target, window, raf }) {
+	test({ component, target }) {
 		const div = target.querySelector('div');
-		const { appendChild, insertBefore } = div;
 
 		div.appendChild = div.insertBefore = () => {
 			throw new Error('DOM was mutated');
diff --git a/test/runtime/samples/ondestroy-before-cleanup/_config.js b/test/runtime/samples/ondestroy-before-cleanup/_config.js
index e9721f24b0..80cc54bd6b 100644
--- a/test/runtime/samples/ondestroy-before-cleanup/_config.js
+++ b/test/runtime/samples/ondestroy-before-cleanup/_config.js
@@ -4,7 +4,6 @@ export default {
 	test({ assert, component, target }) {
 		container.div = null;
 
-		const top = component.top;
 		const div = target.querySelector('div');
 
 		component.visible = false;
diff --git a/test/runtime/samples/store-resubscribe-export/_config.js b/test/runtime/samples/store-resubscribe-export/_config.js
index 525eb39d51..f6630aa045 100644
--- a/test/runtime/samples/store-resubscribe-export/_config.js
+++ b/test/runtime/samples/store-resubscribe-export/_config.js
@@ -1,11 +1,11 @@
-let subscribeCalled = false;
+let unsubscribeCalled = false;
 
 const fakeStore = val => ({
 	subscribe: cb => {
 		cb(val);
 		return {
 			unsubscribe: () => {
-				subscribeCalled = true;
+				unsubscribeCalled = true;
 			}
 		};
 	}
@@ -22,6 +22,8 @@ export default {
 	async test({ assert, component, target }) {
 		component.foo = fakeStore(5);
 
-		return assert.htmlEqual(target.innerHTML, '<h1>5</h1>');
+		assert.htmlEqual(target.innerHTML, '<h1>5</h1>');
+
+		assert.ok(unsubscribeCalled);
 	}
 };
diff --git a/test/runtime/samples/this-in-function-expressions/_config.js b/test/runtime/samples/this-in-function-expressions/_config.js
index e5527f0e1d..9aea4c3631 100644
--- a/test/runtime/samples/this-in-function-expressions/_config.js
+++ b/test/runtime/samples/this-in-function-expressions/_config.js
@@ -1,5 +1,5 @@
 export default {
-	async test({ assert, component, target, window, raf }) {
+	async test({ assert, target, window }) {
 		const [_, btn] = target.querySelectorAll('button');
 		const clickEvent = new window.MouseEvent('click');
 
diff --git a/test/runtime/samples/transition-js-await-block/_config.js b/test/runtime/samples/transition-js-await-block/_config.js
index 80546ae6b8..696a2dd5d4 100644
--- a/test/runtime/samples/transition-js-await-block/_config.js
+++ b/test/runtime/samples/transition-js-await-block/_config.js
@@ -1,9 +1,7 @@
 let fulfil;
-let reject;
 
-const promise = new Promise((f, r) => {
+const promise = new Promise((f) => {
 	fulfil = f;
-	reject = r;
 });
 
 export default {