diff --git a/addons/xterm-addon-attach/src/AttachAddon.api.ts b/addons/xterm-addon-attach/src/AttachAddon.api.ts
index 6727fb72..6816a5f1 100644
--- a/addons/xterm-addon-attach/src/AttachAddon.api.ts
+++ b/addons/xterm-addon-attach/src/AttachAddon.api.ts
@@ -18,8 +18,7 @@ describe('AttachAddon', () => {
   before(async function(): Promise<any> {
     const browserType = getBrowserType();
     browser = await browserType.launch({ dumpio: true,
-      headless: process.argv.indexOf('--headless') !== -1,
-      args: [`--window-size=${width},${height}`, `--no-sandbox`]
+      headless: process.argv.indexOf('--headless') !== -1
     });
     page = await (await browser.newContext()).newPage();
     await page.setViewportSize({ width, height });
diff --git a/addons/xterm-addon-fit/src/FitAddon.api.ts b/addons/xterm-addon-fit/src/FitAddon.api.ts
index 63c7f5a5..5eae6b6d 100644
--- a/addons/xterm-addon-fit/src/FitAddon.api.ts
+++ b/addons/xterm-addon-fit/src/FitAddon.api.ts
@@ -18,8 +18,7 @@ describe('FitAddon', () => {
   before(async function(): Promise<any> {
     const browserType = getBrowserType();
     browser = await browserType.launch({ dumpio: true,
-      headless: process.argv.indexOf('--headless') !== -1,
-      args: [`--window-size=${width},${height}`, `--no-sandbox`]
+      headless: process.argv.indexOf('--headless') !== -1
     });
     page = await (await browser.newContext()).newPage();
     await page.setViewportSize({ width, height });
diff --git a/addons/xterm-addon-search/src/SearchAddon.api.ts b/addons/xterm-addon-search/src/SearchAddon.api.ts
index ea3cdfa0..125e3dcb 100644
--- a/addons/xterm-addon-search/src/SearchAddon.api.ts
+++ b/addons/xterm-addon-search/src/SearchAddon.api.ts
@@ -20,8 +20,7 @@ describe('Search Tests', function(): void {
   before(async function(): Promise<any> {
     const browserType = getBrowserType();
     browser = await browserType.launch({ dumpio: true,
-      headless: process.argv.indexOf('--headless') !== -1,
-      args: [`--window-size=${width},${height}`, `--no-sandbox`]
+      headless: process.argv.indexOf('--headless') !== -1
     });
     page = await (await browser.newContext()).newPage();
     await page.setViewportSize({ width, height });
diff --git a/addons/xterm-addon-serialize/src/SerializeAddon.api.ts b/addons/xterm-addon-serialize/src/SerializeAddon.api.ts
index 4c830978..9e79de3f 100644
--- a/addons/xterm-addon-serialize/src/SerializeAddon.api.ts
+++ b/addons/xterm-addon-serialize/src/SerializeAddon.api.ts
@@ -18,8 +18,7 @@ describe('SerializeAddon', () => {
   before(async function(): Promise<any> {
     const browserType = getBrowserType();
     browser = await browserType.launch({ dumpio: true,
-      headless: process.argv.indexOf('--headless') !== -1,
-      args: [`--window-size=${width},${height}`]
+      headless: process.argv.indexOf('--headless') !== -1
     });
     page = await (await browser.newContext()).newPage();
     await page.setViewportSize({ width, height });
diff --git a/addons/xterm-addon-unicode11/src/Unicode11Addon.api.ts b/addons/xterm-addon-unicode11/src/Unicode11Addon.api.ts
index cf5331b0..8d521b2e 100644
--- a/addons/xterm-addon-unicode11/src/Unicode11Addon.api.ts
+++ b/addons/xterm-addon-unicode11/src/Unicode11Addon.api.ts
@@ -18,8 +18,7 @@ describe('Unicode11Addon', () => {
   before(async function(): Promise<any> {
     const browserType = getBrowserType();
     browser = await browserType.launch({ dumpio: true,
-      headless: process.argv.indexOf('--headless') !== -1,
-      args: [`--window-size=${width},${height}`, `--no-sandbox`]
+      headless: process.argv.indexOf('--headless') !== -1
     });
     page = await (await browser.newContext()).newPage();
     await page.setViewportSize({ width, height });
diff --git a/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts b/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts
index f35fc0e4..dc7317f0 100644
--- a/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts
+++ b/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts
@@ -18,8 +18,7 @@ describe('WebLinksAddon', () => {
   before(async function(): Promise<any> {
     const browserType = getBrowserType();
     browser = await browserType.launch({ dumpio: true,
-      headless: process.argv.indexOf('--headless') !== -1,
-      args: [`--window-size=${width},${height}`, `--no-sandbox`]
+      headless: process.argv.indexOf('--headless') !== -1
     });
     page = await (await browser.newContext()).newPage();
     await page.setViewportSize({ width, height });
diff --git a/addons/xterm-addon-webgl/src/WebglRenderer.api.ts b/addons/xterm-addon-webgl/src/WebglRenderer.api.ts
index a38210e6..591d7fff 100644
--- a/addons/xterm-addon-webgl/src/WebglRenderer.api.ts
+++ b/addons/xterm-addon-webgl/src/WebglRenderer.api.ts
@@ -900,8 +900,7 @@ async function getCellColor(col: number, row: number): Promise<number[]> {
 async function setupBrowser(options: ITerminalOptions = { rendererType: 'dom' }): Promise<void> {
   const browserType = getBrowserType();
   browser = await browserType.launch({ dumpio: true,
-    headless: process.argv.indexOf('--headless') !== -1,
-    args: [`--window-size=${width},${height}`, `--no-sandbox`]
+    headless: process.argv.indexOf('--headless') !== -1
   });
   page = await (await browser.newContext()).newPage();
   await page.setViewportSize({ width, height });
diff --git a/test/api/CharWidth.api.ts b/test/api/CharWidth.api.ts
index 9e484738..705dde7c 100644
--- a/test/api/CharWidth.api.ts
+++ b/test/api/CharWidth.api.ts
@@ -17,8 +17,7 @@ describe('CharWidth Integration Tests', function(): void {
   before(async function(): Promise<any> {
     const browserType = getBrowserType();
     browser = await browserType.launch({ dumpio: true,
-      headless: process.argv.indexOf('--headless') !== -1,
-      args: [`--window-size=${width},${height}`, `--no-sandbox`]
+      headless: process.argv.indexOf('--headless') !== -1
     });
     page = await (await browser.newContext()).newPage();
     await page.setViewportSize({ width, height });
diff --git a/test/api/InputHandler.api.ts b/test/api/InputHandler.api.ts
index 0070f1a4..45aa7075 100644
--- a/test/api/InputHandler.api.ts
+++ b/test/api/InputHandler.api.ts
@@ -22,8 +22,7 @@ describe('InputHandler Integration Tests', function(): void {
     const browserType = getBrowserType();
     isChromium = browserType.name() === 'chromium';
     browser = await browserType.launch({ dumpio: true,
-      headless: process.argv.indexOf('--headless') !== -1,
-      args: [`--window-size=${width},${height}`, `--no-sandbox`]
+      headless: process.argv.indexOf('--headless') !== -1
     });
     page = await (await browser.newContext()).newPage();
     await page.setViewportSize({ width, height });
diff --git a/test/api/MouseTracking.api.ts b/test/api/MouseTracking.api.ts
index 934a9ce5..3ddf3a05 100644
--- a/test/api/MouseTracking.api.ts
+++ b/test/api/MouseTracking.api.ts
@@ -214,8 +214,7 @@ describe('Mouse Tracking Tests', async () => {
 
   before(async function(): Promise<void> {
     browser = await browserType.launch({ dumpio: true,
-      headless: process.argv.indexOf('--headless') !== -1,
-      args: [`--window-size=${width},${height}`, `--no-sandbox`]
+      headless: process.argv.indexOf('--headless') !== -1
     });
     page = await (await browser.newContext()).newPage();
     await page.setViewportSize({ width, height });
diff --git a/test/api/Parser.api.ts b/test/api/Parser.api.ts
index 0ba3248b..a40fd504 100644
--- a/test/api/Parser.api.ts
+++ b/test/api/Parser.api.ts
@@ -18,8 +18,7 @@ describe('Parser Integration Tests', function(): void {
   before(async function(): Promise<any> {
     const browserType = getBrowserType();
     browser = await browserType.launch({ dumpio: true,
-      headless: process.argv.indexOf('--headless') !== -1,
-      args: [`--window-size=${width},${height}`, `--no-sandbox`]
+      headless: process.argv.indexOf('--headless') !== -1
     });
     page = await (await browser.newContext()).newPage();
     await page.setViewportSize({ width, height });
diff --git a/test/api/Terminal.api.ts b/test/api/Terminal.api.ts
index 996e9ccd..2c26bb08 100644
--- a/test/api/Terminal.api.ts
+++ b/test/api/Terminal.api.ts
@@ -18,8 +18,7 @@ describe('API Integration Tests', function(): void {
   before(async () => {
     const browserType = getBrowserType();
     browser = await browserType.launch({ dumpio: true,
-      headless: process.argv.indexOf('--headless') !== -1,
-      args: [`--window-size=${width},${height}`, `--no-sandbox`]
+      headless: process.argv.indexOf('--headless') !== -1
     });
     page = await (await browser.newContext()).newPage();
     await page.setViewportSize({ width, height });