diff --git a/dotnet/src/webdriver/Chromium/ChromiumOptions.cs b/dotnet/src/webdriver/Chromium/ChromiumOptions.cs
index 4030840dab6e0..b7145a028f5a6 100644
--- a/dotnet/src/webdriver/Chromium/ChromiumOptions.cs
+++ b/dotnet/src/webdriver/Chromium/ChromiumOptions.cs
@@ -55,29 +55,6 @@ public abstract class ChromiumOptions : DriverOptions
     private string? mobileEmulationDeviceName;
     private ChromiumMobileEmulationDeviceSettings? mobileEmulationDeviceSettings;
 
-    /// <summary>
-    /// Initializes a new instance of the <see cref="ChromiumOptions"/> class.
-    /// </summary>
-    public ChromiumOptions() : base()
-    {
-        this.AddKnownCapabilityName(this.CapabilityName, "current ChromiumOptions class instance");
-        this.AddKnownCapabilityName(CapabilityType.LoggingPreferences, "SetLoggingPreference method");
-        this.AddKnownCapabilityName(this.LoggingPreferencesChromeOption, "SetLoggingPreference method");
-        this.AddKnownCapabilityName(ChromiumOptions.ArgumentsChromeOption, "AddArguments method");
-        this.AddKnownCapabilityName(ChromiumOptions.BinaryChromeOption, "BinaryLocation property");
-        this.AddKnownCapabilityName(ChromiumOptions.ExtensionsChromeOption, "AddExtensions method");
-        this.AddKnownCapabilityName(ChromiumOptions.LocalStateChromeOption, "AddLocalStatePreference method");
-        this.AddKnownCapabilityName(ChromiumOptions.PreferencesChromeOption, "AddUserProfilePreference method");
-        this.AddKnownCapabilityName(ChromiumOptions.DetachChromeOption, "LeaveBrowserRunning property");
-        this.AddKnownCapabilityName(ChromiumOptions.DebuggerAddressChromeOption, "DebuggerAddress property");
-        this.AddKnownCapabilityName(ChromiumOptions.ExcludeSwitchesChromeOption, "AddExcludedArgument property");
-        this.AddKnownCapabilityName(ChromiumOptions.MinidumpPathChromeOption, "MinidumpPath property");
-        this.AddKnownCapabilityName(ChromiumOptions.MobileEmulationChromeOption, "EnableMobileEmulation method");
-        this.AddKnownCapabilityName(ChromiumOptions.PerformanceLoggingPreferencesChromeOption, "PerformanceLoggingPreferences property");
-        this.AddKnownCapabilityName(ChromiumOptions.WindowTypesChromeOption, "AddWindowTypes method");
-        this.AddKnownCapabilityName(ChromiumOptions.UseSpecCompliantProtocolOption, "UseSpecCompliantProtocol property");
-    }
-
     /// <summary>
     /// Gets the vendor prefix to apply to Chromium-specific capability names.
     /// </summary>
diff --git a/dotnet/src/webdriver/DriverOptions.cs b/dotnet/src/webdriver/DriverOptions.cs
index 483ceb03130a4..18a995dd9af6e 100644
--- a/dotnet/src/webdriver/DriverOptions.cs
+++ b/dotnet/src/webdriver/DriverOptions.cs
@@ -22,7 +22,6 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
-using System.Globalization;
 
 namespace OpenQA.Selenium;
 
@@ -115,23 +114,6 @@ public abstract class DriverOptions
 {
     private readonly Dictionary<string, object> additionalCapabilities = new Dictionary<string, object>();
     private readonly Dictionary<string, LogLevel> loggingPreferences = new Dictionary<string, LogLevel>();
-    private readonly Dictionary<string, string> knownCapabilityNames = new Dictionary<string, string>();
-
-    /// <summary>
-    /// Initializes a new instance of the <see cref="DriverOptions"/> class.
-    /// </summary>
-    protected DriverOptions()
-    {
-        this.AddKnownCapabilityName(CapabilityType.BrowserName, "BrowserName property");
-        this.AddKnownCapabilityName(CapabilityType.BrowserVersion, "BrowserVersion property");
-        this.AddKnownCapabilityName(CapabilityType.PlatformName, "PlatformName property");
-        this.AddKnownCapabilityName(CapabilityType.Proxy, "Proxy property");
-        this.AddKnownCapabilityName(CapabilityType.UnhandledPromptBehavior, "UnhandledPromptBehavior property");
-        this.AddKnownCapabilityName(CapabilityType.PageLoadStrategy, "PageLoadStrategy property");
-        this.AddKnownCapabilityName(CapabilityType.UseStrictFileInteractability, "UseStrictFileInteractability property");
-        this.AddKnownCapabilityName(CapabilityType.WebSocketUrl, "UseWebSocketUrl property");
-        this.AddKnownCapabilityName(CapabilityType.EnableDownloads, "EnableDownloads property");
-    }
 
     /// <summary>
     /// Gets or sets the name of the browser.
@@ -361,71 +343,6 @@ protected void ValidateCapabilityName([NotNull] string? capabilityName)
         {
             throw new ArgumentException("Capability name may not be null an empty string.", nameof(capabilityName));
         }
-
-        if (this.TryGetKnownCapability(capabilityName!, out string? typeSafeOptionName))
-        {
-            string message = string.Format(CultureInfo.InvariantCulture, "There is already an option for the {0} capability. Please use the {1} instead.", capabilityName, typeSafeOptionName);
-            throw new ArgumentException(message, nameof(capabilityName));
-        }
-    }
-
-    /// <summary>
-    /// Adds a known capability to the list of known capabilities and associates it
-    /// with the type-safe property name of the options class to be used instead.
-    /// </summary>
-    /// <param name="capabilityName">The name of the capability.</param>
-    /// <param name="typeSafeOptionName">The name of the option property or method to be used instead.</param>
-    protected void AddKnownCapabilityName(string capabilityName, string typeSafeOptionName)
-    {
-        this.knownCapabilityNames[capabilityName] = typeSafeOptionName;
-    }
-
-    /// <summary>
-    /// Remove a capability from the list of known capabilities
-    /// </summary>
-    /// <param name="capabilityName">The name of the capability to be removed.</param>
-    protected void RemoveKnownCapabilityName(string? capabilityName)
-    {
-        if (capabilityName is not null)
-        {
-            this.knownCapabilityNames.Remove(capabilityName);
-        }
-    }
-
-    /// <summary>
-    /// Gets a value indicating whether the specified capability name is a known capability name which has a type-safe option.
-    /// </summary>
-    /// <param name="capabilityName">The name of the capability to check.</param>
-    /// <returns><see langword="true"/> if the capability name is known; otherwise <see langword="false"/>.</returns>
-    protected bool IsKnownCapabilityName(string capabilityName)
-    {
-        return this.knownCapabilityNames.ContainsKey(capabilityName);
-    }
-
-    /// <summary>
-    /// Gets a value indicating whether the specified capability name is a known capability name which has a type-safe option.
-    /// </summary>
-    /// <param name="capabilityName">The name of the capability to check.</param>
-    /// <param name="typeSafeOptionName">The name of the type-safe option for the given capability name, or <see langword="null"/> if not found.</param>
-    /// <returns><see langword="true"/> if the capability name is known; otherwise <see langword="false"/>.</returns>
-    protected bool TryGetKnownCapability(string capabilityName, [NotNullWhen(true)] out string? typeSafeOptionName)
-    {
-        return this.knownCapabilityNames.TryGetValue(capabilityName, out typeSafeOptionName);
-    }
-
-    /// <summary>
-    /// Gets the name of the type-safe option for a given capability name.
-    /// </summary>
-    /// <param name="capabilityName">The name of the capability to check.</param>
-    /// <returns>The name of the type-safe option for the given capability name.</returns>
-    protected string GetTypeSafeOptionName(string capabilityName)
-    {
-        if (!this.IsKnownCapabilityName(capabilityName))
-        {
-            return string.Empty;
-        }
-
-        return this.knownCapabilityNames[capabilityName];
     }
 
     /// <summary>
diff --git a/dotnet/src/webdriver/Firefox/FirefoxOptions.cs b/dotnet/src/webdriver/Firefox/FirefoxOptions.cs
index 25ae10039fba8..d1f979f41c44d 100644
--- a/dotnet/src/webdriver/Firefox/FirefoxOptions.cs
+++ b/dotnet/src/webdriver/Firefox/FirefoxOptions.cs
@@ -72,17 +72,7 @@ public FirefoxOptions()
         : base()
     {
         this.BrowserName = BrowserNameValue;
-        this.AddKnownCapabilityName(FirefoxOptions.FirefoxOptionsCapability, "current FirefoxOptions class instance");
-        this.AddKnownCapabilityName(FirefoxOptions.IsMarionetteCapability, "UseLegacyImplementation property");
-        this.AddKnownCapabilityName(FirefoxOptions.FirefoxProfileCapability, "Profile property");
-        this.AddKnownCapabilityName(FirefoxOptions.FirefoxBinaryCapability, "BrowserExecutableLocation property");
-        this.AddKnownCapabilityName(FirefoxOptions.FirefoxArgumentsCapability, "AddArguments method");
-        this.AddKnownCapabilityName(FirefoxOptions.FirefoxPrefsCapability, "SetPreference method");
-        this.AddKnownCapabilityName(FirefoxOptions.FirefoxEnvCapability, "SetEnvironmentVariable method");
-        this.AddKnownCapabilityName(FirefoxOptions.FirefoxLogCapability, "LogLevel property");
-        this.AddKnownCapabilityName(FirefoxOptions.FirefoxLegacyProfileCapability, "Profile property");
-        this.AddKnownCapabilityName(FirefoxOptions.FirefoxLegacyBinaryCapability, "BrowserExecutableLocation property");
-        this.AddKnownCapabilityName(FirefoxOptions.FirefoxEnableDevToolsProtocolCapability, "EnableDevToolsProtocol property");
+
         // https://fxdx.dev/deprecating-cdp-support-in-firefox-embracing-the-future-with-webdriver-bidi/.
         // Enable BiDi only
         this.SetPreference("remote.active-protocols", 1);
diff --git a/dotnet/src/webdriver/IE/InternetExplorerOptions.cs b/dotnet/src/webdriver/IE/InternetExplorerOptions.cs
index 41c20a20f3be4..dd010c80cbb85 100644
--- a/dotnet/src/webdriver/IE/InternetExplorerOptions.cs
+++ b/dotnet/src/webdriver/IE/InternetExplorerOptions.cs
@@ -102,27 +102,6 @@ public InternetExplorerOptions() : base()
     {
         this.BrowserName = BrowserNameValue;
         this.PlatformName = "windows";
-        this.AddKnownCapabilityName(Capability, "current InterentExplorerOptions class instance");
-        this.AddKnownCapabilityName(IgnoreProtectedModeSettingsCapability, "IntroduceInstabilityByIgnoringProtectedModeSettings property");
-        this.AddKnownCapabilityName(IgnoreZoomSettingCapability, "IgnoreZoomLevel property");
-        this.AddKnownCapabilityName(CapabilityType.HasNativeEvents, "EnableNativeEvents property");
-        this.AddKnownCapabilityName(InitialBrowserUrlCapability, "InitialBrowserUrl property");
-        this.AddKnownCapabilityName(ElementScrollBehaviorCapability, "ElementScrollBehavior property");
-        this.AddKnownCapabilityName(CapabilityType.UnexpectedAlertBehavior, "UnhandledPromptBehavior property");
-        this.AddKnownCapabilityName(EnablePersistentHoverCapability, "EnablePersistentHover property");
-        this.AddKnownCapabilityName(RequireWindowFocusCapability, "RequireWindowFocus property");
-        this.AddKnownCapabilityName(BrowserAttachTimeoutCapability, "BrowserAttachTimeout property");
-        this.AddKnownCapabilityName(ForceCreateProcessApiCapability, "ForceCreateProcessApi property");
-        this.AddKnownCapabilityName(ForceShellWindowsApiCapability, "ForceShellWindowsApi property");
-        this.AddKnownCapabilityName(BrowserCommandLineSwitchesCapability, "BrowserComaandLineArguments property");
-        this.AddKnownCapabilityName(UsePerProcessProxyCapability, "UsePerProcessProxy property");
-        this.AddKnownCapabilityName(EnsureCleanSessionCapability, "EnsureCleanSession property");
-        this.AddKnownCapabilityName(FileUploadDialogTimeoutCapability, "FileUploadDialogTimeout property");
-        this.AddKnownCapabilityName(EnableFullPageScreenshotCapability, "EnableFullPageScreenshot property");
-        this.AddKnownCapabilityName(LegacyFileUploadDialogHandlingCapability, "LegacyFileUploadDialogHanlding property");
-        this.AddKnownCapabilityName(AttachToEdgeChromeCapability, "AttachToEdgeChrome property");
-        this.AddKnownCapabilityName(EdgeExecutablePathCapability, "EdgeExecutablePath property");
-        this.AddKnownCapabilityName(IgnoreProcessMatchCapability, "IgnoreProcessMatch property");
     }
 
     /// <summary>
diff --git a/dotnet/src/webdriver/Safari/SafariOptions.cs b/dotnet/src/webdriver/Safari/SafariOptions.cs
index cad0132eb5236..b5d165f2d90c9 100644
--- a/dotnet/src/webdriver/Safari/SafariOptions.cs
+++ b/dotnet/src/webdriver/Safari/SafariOptions.cs
@@ -53,8 +53,6 @@ public SafariOptions() : base()
     {
         this.BrowserName = BrowserNameValue;
         this.TechnologyPreview = false;
-        this.AddKnownCapabilityName(SafariOptions.EnableAutomaticInspectionSafariOption, "EnableAutomaticInspection property");
-        this.AddKnownCapabilityName(SafariOptions.EnableAutomaticProfilingSafariOption, "EnableAutomaticProfiling property");
     }
 
     /// <summary>