diff --git a/addons/xterm-addon-fit/src/FitAddon.api.ts b/addons/xterm-addon-fit/src/FitAddon.api.ts
index 3115f2ed..aa73a9b6 100644
--- a/addons/xterm-addon-fit/src/FitAddon.api.ts
+++ b/addons/xterm-addon-fit/src/FitAddon.api.ts
@@ -19,7 +19,6 @@ describe('FitAddon', () => {
     this.timeout(20000);
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      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 96c62a7d..72a69b5f 100644
--- a/addons/xterm-addon-search/src/SearchAddon.api.ts
+++ b/addons/xterm-addon-search/src/SearchAddon.api.ts
@@ -22,7 +22,6 @@ describe('Search Tests', function (): void {
   before(async function (): Promise<any> {
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      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 4bc2c07d..968a9e0b 100644
--- a/test/api/InputHandler.api.ts
+++ b/test/api/InputHandler.api.ts
@@ -19,7 +19,6 @@ describe('InputHandler Integration Tests', function(): void {
   before(async function(): Promise<any> {
     browser = await puppeteer.launch({
       headless: process.argv.indexOf('--headless') !== -1,
-      slowMo: 0,
       args: [`--window-size=${width},${height}`, `--no-sandbox`]
     });
     page = (await browser.pages())[0];