diff --git a/src/EventStore.Client/UserCredentials.cs b/src/EventStore.Client/UserCredentials.cs
index d67cbbf9d..d944d90d7 100644
--- a/src/EventStore.Client/UserCredentials.cs
+++ b/src/EventStore.Client/UserCredentials.cs
@@ -3,92 +3,52 @@
 using static System.Convert;
 
 namespace EventStore.Client {
-    /// <summary>
-    /// Represents either a username/password pair or a JWT token used for authentication and
-    /// authorization to perform operations on the EventStoreDB.
-    /// </summary>
-    public class UserCredentials {
-        // ReSharper disable once InconsistentNaming
-        static readonly UTF8Encoding UTF8NoBom = new UTF8Encoding(false);
-
-        /// <summary>
-        /// Constructs a new <see cref="UserCredentials"/>.
-        /// </summary>
-        public UserCredentials(string username, string password) {
-            Username = username;
-            Password = password;
-            
-            Authorization = new(
-                Constants.Headers.BasicScheme,
-                ToBase64String(UTF8NoBom.GetBytes($"{username}:{password}"))
-            );
-        }
-
-        /// <summary>
-        /// Constructs a new <see cref="UserCredentials"/>.
-        /// </summary>
-        public UserCredentials(string bearerToken) {
-            Authorization = new(Constants.Headers.BearerScheme, bearerToken);
-        }
-
-        /// <summary>
-        /// Constructs a new <see cref="UserCredentials"/>.
-        /// </summary>
-        public UserCredentials(AuthenticationHeaderValue authorization) {
-            Authorization = authorization;
-
-            if (authorization.Scheme != Constants.Headers.BasicScheme)
-                return;
-
-            var (username, password) = DecodeBasicCredentials(Authorization);
-
-            Username = username;
-            Password = password;
-            
-            return;
-
-            static (string? Username, string? Password) DecodeBasicCredentials(AuthenticationHeaderValue value) {
-                if (value.Parameter is null)
-                    return (null, null);
-
-                var credentials = UTF8NoBom.GetString(FromBase64String(value.Parameter)).AsSpan();
-                
-                var passwordStart = credentials.IndexOf(':') + 1;
-                var password      = credentials[passwordStart..].ToString();
-                
-                var usernameLength = credentials.Length - password.Length - 1;
-                var username       = credentials[..usernameLength].ToString();
-
-                return (username, password);
-
-                // var decoded = UTF8NoBom.GetString(FromBase64String(header.Parameter));
-                // var parts   = decoded.Split(':');
-                //
-                // return parts.Length == 2
-                //     ? (parts[0], parts[1])
-                //     : (null, null); // should we throw?
-            }
-        }
-
-        AuthenticationHeaderValue Authorization { get; }
-        
-        /// <summary>
-        /// The username
-        /// </summary>
-        public string? Username { get; }
-
-        /// <summary>
-        /// The password
-        /// </summary>
-        public string? Password { get; }
-        
-        /// <inheritdoc />
-        public override string ToString() => Authorization.ToString();
-        
-        /// <summary>
-        /// Implicitly convert a <see cref="UserCredentials"/> to a <see cref="string"/>.
-        /// </summary>
-        
-        public static implicit operator string(UserCredentials self) => self.ToString();
-    }
+	/// <summary>
+	/// Represents either a username/password pair or a JWT token used for authentication and
+	/// authorization to perform operations on the EventStoreDB.
+	/// </summary>
+	public class UserCredentials {
+		// ReSharper disable once InconsistentNaming
+		static readonly UTF8Encoding UTF8NoBom = new UTF8Encoding(false);
+
+		/// <summary>
+		/// Constructs a new <see cref="UserCredentials"/>.
+		/// </summary>
+		public UserCredentials(string username, string password) {
+			Username = username;
+			Password = password;
+
+			Authorization = new(
+				Constants.Headers.BasicScheme,
+				ToBase64String(UTF8NoBom.GetBytes($"{username}:{password}"))
+			);
+		}
+
+		/// <summary>
+		/// Constructs a new <see cref="UserCredentials"/>.
+		/// </summary>
+		public UserCredentials(string bearerToken) {
+			Authorization = new(Constants.Headers.BearerScheme, bearerToken);
+		}
+
+		AuthenticationHeaderValue Authorization { get; }
+
+		/// <summary>
+		/// The username
+		/// </summary>
+		public string? Username { get; }
+
+		/// <summary>
+		/// The password
+		/// </summary>
+		public string? Password { get; }
+
+		/// <inheritdoc />
+		public override string ToString() => Authorization.ToString();
+
+		/// <summary>
+		/// Implicitly convert a <see cref="UserCredentials"/> to a <see cref="string"/>.
+		/// </summary>
+		public static implicit operator string(UserCredentials self) => self.ToString();
+	}
 }
\ No newline at end of file
diff --git a/test/EventStore.Client.UserManagement.Tests/UserCredentialsTests.cs b/test/EventStore.Client.UserManagement.Tests/UserCredentialsTests.cs
index 1b1458924..c8eb0a570 100644
--- a/test/EventStore.Client.UserManagement.Tests/UserCredentialsTests.cs
+++ b/test/EventStore.Client.UserManagement.Tests/UserCredentialsTests.cs
@@ -31,40 +31,6 @@ public void from_username_and_password() {
 		credentials.ToString().ShouldBe(basicAuthInfo);
 	}
 
-	[Theory]
-	[InlineData("madison", "itwill:befine")]
-	[InlineData("admin", "changeit")]
-	public void from_authentication_header_with_basic_scheme(string username, string password) {
-		var value = new AuthenticationHeaderValue(
-			Constants.Headers.BasicScheme,
-			EncodeCredentials(username, password)
-		);
-
-		var basicAuthInfo = value.ToString();
-
-		var credentials = new UserCredentials(value);
-
-		credentials.Username.ShouldBe(username);
-		credentials.Password.ShouldBe(password);
-		credentials.ToString().ShouldBe(basicAuthInfo);
-	}
-
-	[Fact]
-	public void from_authentication_header_with_bearer_scheme() {
-		var value = new AuthenticationHeaderValue(
-			Constants.Headers.BearerScheme,
-			JwtToken
-		);
-
-		var bearerToken = value.ToString();
-
-		var credentials = new UserCredentials(value);
-
-		credentials.Username.ShouldBeNull();
-		credentials.Password.ShouldBeNull();
-		credentials.ToString().ShouldBe(bearerToken);
-	}
-
 	[Fact]
 	public void from_bearer_token() {
 		var credentials = new UserCredentials(JwtToken);