SeleniumHQ
diff --git a/‎dotnet/src/webdriver/Chromium/ChromiumOptions.cs‎
Lines changed: 0 additions & 21 deletions b/‎dotnet/src/webdriver/Chromium/ChromiumOptions.cs‎
Lines changed: 0 additions & 21 deletions
diff --git a/‎dotnet/src/webdriver/Safari/SafariDriverService.cs‎
Lines changed: 0 additions & 23 deletions b/‎dotnet/src/webdriver/Safari/SafariDriverService.cs‎
Lines changed: 0 additions & 23 deletions
diff --git a/‎dotnet/test/chrome/ChromeSpecificTests.cs‎
Lines changed: 0 additions & 9 deletions b/‎dotnet/test/chrome/ChromeSpecificTests.cs‎
Lines changed: 0 additions & 9 deletions
@@ -185,27 +185,6 @@ public ChromiumAndroidOptions AndroidOptions
             set { this.androidOptions = value; }
         }
 
-        /// <summary>
-        /// Gets or sets a value indicating whether the <see cref="ChromiumDriver"/> instance
-        /// should use the legacy OSS protocol dialect or a dialect compliant with the W3C
-        /// WebDriver Specification.
-        /// </summary>
-        [Obsolete("Spec Compliant Protocol is the only supported protocol")]
-        public bool UseSpecCompliantProtocol
-        {
-            get { return this.useSpecCompliantProtocol; }
-            set
-            {
-                if (!value)
-                {
-                    throw new ArgumentException("Only the spec compliant protocol is supported, " +
-                                                "Please update to W3C Syntax: " +
-                                                "https://www.selenium.dev/blog/2022/legacy-protocol-support/");
-                }
-                this.useSpecCompliantProtocol = true;
-            }
-        }
-
         /// <summary>
         /// Adds a single argument to the list of arguments to be appended to the browser executable command line.
         /// </summary>
 
@@ -34,8 +34,6 @@ public sealed class SafariDriverService : DriverService
     {
         private const string DefaultSafariDriverServiceExecutableName = "safaridriver";
 
-        private bool useLegacyProtocol;
-
         private readonly static ILogger logger = Log.GetLogger<SafariDriverService>();
 
         /// <summary>
@@ -55,22 +53,6 @@ protected override DriverOptions GetDefaultDriverOptions()
             return new SafariOptions();
         }
 
-        /// <summary>
-        /// Gets or sets a value indicating whether to use the default open-source project
-        /// dialect of the protocol instead of the default dialect compliant with the
-        /// W3C WebDriver Specification.
-        /// </summary>
-        /// <remarks>
-        /// This is only valid for versions of the driver for Safari that target Safari 12
-        /// or later, and will result in an error if used with prior versions of the driver.
-        /// </remarks>
-        [Obsolete("Only w3c protocol is currently supported")]
-        public bool UseLegacyProtocol
-        {
-            get { return this.useLegacyProtocol; }
-            set { this.useLegacyProtocol = value; }
-        }
-
         /// <summary>
         /// Gets the command-line arguments for the driver service.
         /// </summary>
@@ -79,11 +61,6 @@ protected override string CommandLineArguments
             get
             {
                 StringBuilder argsBuilder = new StringBuilder(base.CommandLineArguments);
-                if (this.useLegacyProtocol)
-                {
-                    argsBuilder.Append(" --legacy");
-                }
-
                 return argsBuilder.ToString();
             }
         }
 
@@ -13,14 +13,5 @@ public void RunAfterAnyTests()
             EnvironmentManager.Instance.CloseCurrentDriver();
             EnvironmentManager.Instance.WebServer.Stop();
         }
-
-        [Test]
-        public void W3CFalse()
-        {
-            Assert.Throws<ArgumentException>(() => new ChromeOptions
-            {
-                UseSpecCompliantProtocol = false
-            });
-        }
     }
 }
Original file line number	Diff line number	Diff line change
`@@ -13,14 +13,5 @@ public void RunAfterAnyTests()`
`13`	`13`	`EnvironmentManager.Instance.CloseCurrentDriver();`
`14`	`14`	`EnvironmentManager.Instance.WebServer.Stop();`
`15`	`15`	`}`
`16`		`-`
`17`		`- [Test]`
`18`		`- public void W3CFalse()`
`19`		`- {`
`20`		`- Assert.Throws<ArgumentException>(() => new ChromeOptions`
`21`		`- {`
`22`		`- UseSpecCompliantProtocol = false`
`23`		`- });`
`24`		`- }`
`25`	`16`	`}`
`26`	`17`	`}`