diff --git a/BTCPayServer.Tests/BTCPayServer.Tests.csproj b/BTCPayServer.Tests/BTCPayServer.Tests.csproj
index f87871345..87929b282 100644
--- a/BTCPayServer.Tests/BTCPayServer.Tests.csproj
+++ b/BTCPayServer.Tests/BTCPayServer.Tests.csproj
@@ -21,7 +21,6 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.6.1" />
     <PackageReference Include="Newtonsoft.Json.Schema" Version="3.0.13" />
-    <PackageReference Include="Selenium.Firefox.WebDriver" Version="0.27.0" />
     <PackageReference Include="Selenium.Support" Version="3.141.0" />
     <PackageReference Include="Selenium.WebDriver" Version="3.141.0" />
     <PackageReference Include="Selenium.WebDriver.ChromeDriver" Version="88.0.4324.9600" />
diff --git a/BTCPayServer.Tests/README.md b/BTCPayServer.Tests/README.md
index a12e44bbb..dd66ebc7f 100644
--- a/BTCPayServer.Tests/README.md
+++ b/BTCPayServer.Tests/README.md
@@ -74,5 +74,3 @@ If you still have issues, try to restart docker.
 Run `dotnet user-secrets set RunSeleniumInBrowser true` to run tests in browser.
 
 To switch back to headless mode (recommended) you can run `dotnet user-secrets remove RunSeleniumInBrowser`.
-
-To run the tests using Firefox (default is Chrome), run `dotnet user-secrets set RunSeleniumInFirefox true`.
diff --git a/BTCPayServer.Tests/SeleniumTester.cs b/BTCPayServer.Tests/SeleniumTester.cs
index ea3cce819..e34f43dca 100644
--- a/BTCPayServer.Tests/SeleniumTester.cs
+++ b/BTCPayServer.Tests/SeleniumTester.cs
@@ -17,7 +17,6 @@ using Microsoft.Extensions.Configuration;
 using NBitcoin;
 using OpenQA.Selenium;
 using OpenQA.Selenium.Chrome;
-using OpenQA.Selenium.Firefox;
 using Xunit;
 
 namespace BTCPayServer.Tests
@@ -45,36 +44,21 @@ namespace BTCPayServer.Tests
 
             // Run `dotnet user-secrets set RunSeleniumInBrowser true` to run tests in browser
             var runInBrowser = config["RunSeleniumInBrowser"] == "true";
-            // Run `dotnet user-secrets set RunSeleniumInFirefox true` to run tests in browser
-            var runInFirefox = config["RunSeleniumInFirefox"] == "true";
-            // Reset this using `dotnet user-secrets remove RunSeleniumInBrowser` (or `...Firefox`)
+            // Reset this using `dotnet user-secrets remove RunSeleniumInBrowser`
 
-            if (runInFirefox)
+            var options = new ChromeOptions();
+            if (Server.PayTester.InContainer)
             {
-                var options = new FirefoxOptions();
-                if (!runInBrowser)
-                {
-                    options.AddArguments("-headless");
-                }
-                options.AddArguments($"--window-size {windowSize.Width},{windowSize.Height}");
-                Driver = new FirefoxDriver(options);
+                // this must be first option https://stackoverflow.com/questions/53073411/selenium-webdriverexceptionchrome-failed-to-start-crashed-as-google-chrome-is#comment102570662_53073789
+                options.AddArgument("no-sandbox");
             }
-            else
+            if (!runInBrowser)
             {
-                var options = new ChromeOptions();
-                if (Server.PayTester.InContainer)
-                {
-                    // this must be first option https://stackoverflow.com/questions/53073411/selenium-webdriverexceptionchrome-failed-to-start-crashed-as-google-chrome-is#comment102570662_53073789
-                    options.AddArgument("no-sandbox");
-                }
-                if (!runInBrowser)
-                {
-                    options.AddArguments("headless");
-                }
-                options.AddArguments($"window-size={windowSize.Width}x{windowSize.Height}");
-                options.AddArgument("shm-size=2g");
-                Driver = new ChromeDriver(Server.PayTester.InContainer ? "/usr/bin" : Directory.GetCurrentDirectory(), options);
+                options.AddArguments("headless");
             }
+            options.AddArguments($"window-size={windowSize.Width}x{windowSize.Height}");
+            options.AddArgument("shm-size=2g");
+            Driver = new ChromeDriver(Server.PayTester.InContainer ? "/usr/bin" : Directory.GetCurrentDirectory(), options);
 
             if (runInBrowser)
             {