diff --git a/addons/xterm-addon-attach/src/AttachAddon.api.ts b/addons/xterm-addon-attach/src/AttachAddon.api.ts
index 94d11139b..f027e25e4 100644
--- a/addons/xterm-addon-attach/src/AttachAddon.api.ts
+++ b/addons/xterm-addon-attach/src/AttachAddon.api.ts
@@ -20,7 +20,7 @@ describe('AttachAddon', () => {
     this.timeout(20000);
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      slowMo: 80,
+      slowMo: 0,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
     page = (await browser.pages())[0];
diff --git a/addons/xterm-addon-fit/src/FitAddon.api.ts b/addons/xterm-addon-fit/src/FitAddon.api.ts
index 4f9558684..3115f2edd 100644
--- a/addons/xterm-addon-fit/src/FitAddon.api.ts
+++ b/addons/xterm-addon-fit/src/FitAddon.api.ts
@@ -19,7 +19,7 @@ describe('FitAddon', () => {
     this.timeout(20000);
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      slowMo: 80,
+      slowMo: 0,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
     page = (await browser.pages())[0];
diff --git a/addons/xterm-addon-search/src/SearchAddon.api.ts b/addons/xterm-addon-search/src/SearchAddon.api.ts
index ff195f5e9..96c62a7d4 100644
--- a/addons/xterm-addon-search/src/SearchAddon.api.ts
+++ b/addons/xterm-addon-search/src/SearchAddon.api.ts
@@ -22,7 +22,7 @@ describe('Search Tests', function (): void {
   before(async function (): Promise<any> {
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      slowMo: 80,
+      slowMo: 0,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
     page = (await browser.pages())[0];
diff --git a/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts b/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts
index 3fb1a5365..2a3fd199d 100644
--- a/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts
+++ b/addons/xterm-addon-web-links/src/WebLinksAddon.api.ts
@@ -19,7 +19,7 @@ describe('WebLinksAddon', () => {
     this.timeout(10000);
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      slowMo: 80,
+      slowMo: 0,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
     page = (await browser.pages())[0];
diff --git a/addons/xterm-addon-webgl/src/WebglRenderer.api.ts b/addons/xterm-addon-webgl/src/WebglRenderer.api.ts
index 9303782d7..a7079df10 100644
--- a/addons/xterm-addon-webgl/src/WebglRenderer.api.ts
+++ b/addons/xterm-addon-webgl/src/WebglRenderer.api.ts
@@ -21,7 +21,7 @@ describe('WebGL Renderer Integration Tests', function(): void {
   before(async function(): Promise<any> {
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      slowMo: 80,
+      slowMo: 0,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
     page = (await browser.pages())[0];
diff --git a/test/api/CharWidth.api.ts b/test/api/CharWidth.api.ts
index 0561bf075..a20ecc8b9 100644
--- a/test/api/CharWidth.api.ts
+++ b/test/api/CharWidth.api.ts
@@ -20,7 +20,7 @@ describe('CharWidth Integration Tests', function(): void {
   before(async function(): Promise<any> {
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      slowMo: 80,
+      slowMo: 0,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
     page = (await browser.pages())[0];
diff --git a/test/api/InputHandler.api.ts b/test/api/InputHandler.api.ts
index fe0686103..2070dfe61 100644
--- a/test/api/InputHandler.api.ts
+++ b/test/api/InputHandler.api.ts
@@ -20,7 +20,7 @@ describe('InputHandler Integration Tests', function(): void {
   before(async function(): Promise<any> {
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      slowMo: 80,
+      slowMo: 0,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
     page = (await browser.pages())[0];
diff --git a/test/api/MouseTracking.api.ts b/test/api/MouseTracking.api.ts
index 37d46f74e..a993c6a1b 100644
--- a/test/api/MouseTracking.api.ts
+++ b/test/api/MouseTracking.api.ts
@@ -204,7 +204,7 @@ describe('Mouse Tracking Tests', function(): void {
   before(async function(): Promise<any> {
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      slowMo: 80,
+      slowMo: 0,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
     page = (await browser.pages())[0];
diff --git a/test/api/Parser.api.ts b/test/api/Parser.api.ts
index e46242ab1..4dcda70c7 100644
--- a/test/api/Parser.api.ts
+++ b/test/api/Parser.api.ts
@@ -20,7 +20,7 @@ describe('Parser Integration Tests', function(): void {
   before(async function(): Promise<any> {
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      slowMo: 80,
+      slowMo: 0,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
     page = (await browser.pages())[0];
diff --git a/test/api/Terminal.api.ts b/test/api/Terminal.api.ts
index 08963d9ca..07dc372c7 100644
--- a/test/api/Terminal.api.ts
+++ b/test/api/Terminal.api.ts
@@ -20,7 +20,7 @@ describe('API Integration Tests', function(): void {
   before(async function(): Promise<any> {
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      slowMo: 80,
+      slowMo: 0,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
     page = (await browser.pages())[0];