diff --git a/src/main/java/envoy/data/LoginCredentials.java b/src/main/java/envoy/data/LoginCredentials.java
index e9b9b1c..fbcb398 100644
--- a/src/main/java/envoy/data/LoginCredentials.java
+++ b/src/main/java/envoy/data/LoginCredentials.java
@@ -18,7 +18,6 @@ import java.util.Formatter;
 public class LoginCredentials implements Serializable {
 
 	private final String	identifier;
-	private final long		id;
 	private final byte[]	passwordHash;
 	private final boolean	registration;
 
@@ -27,33 +26,17 @@ public class LoginCredentials implements Serializable {
 	/**
 	 * Creates an instance of {@link LoginCredentials} for a new {@link User}.
 	 *
-	 * @param identifier the identifier of the user
-	 * @param password   the password of the user (will be converted to a hash)
+	 * @param identifier   the identifier of the user
+	 * @param password     the password of the user (will be converted to a hash)
+	 * @param registration if true, the user registers himself with this
+	 *                     {@link LoginCredentials}
 	 * @throws NoSuchAlgorithmException if the algorithm used is unknown
 	 * @since Envoy Common v0.2-alpha
 	 */
-	public LoginCredentials(String identifier, char[] password) throws NoSuchAlgorithmException {
+	public LoginCredentials(String identifier, char[] password, boolean registration) throws NoSuchAlgorithmException {
 		this.identifier		= identifier;
-		this.id				= -1;
 		passwordHash		= getSha256(toByteArray(password));
-		this.registration	= true;
-	}
-
-	/**
-	 * Creates an instance of {@link LoginCredentials} for an {@link User} who
-	 * already registered himself (knows his id).
-	 *
-	 * @param id       the id of the user
-	 * @param password the password of the user (will be converted to a hash)
-	 * @throws NoSuchAlgorithmException if the algorithm used is unknown
-	 * @since Envoy Common v0.2-alpha
-	 */
-	public LoginCredentials(long id, char[] password) throws NoSuchAlgorithmException {
-		if (id <= 0) throw new IllegalArgumentException("Entered an illegal Id. Ids can not be below 1. Id was " + id);
-		this.id				= id;
-		passwordHash		= getSha256(toByteArray(password));
-		this.registration	= false;
-		this.identifier		= "";
+		this.registration	= registration;
 	}
 
 	private byte[] getSha256(byte[] input) throws NoSuchAlgorithmException { return MessageDigest.getInstance("SHA-256").digest(input); }
@@ -70,8 +53,7 @@ public class LoginCredentials implements Serializable {
 	@Override
 	public String toString() {
 		try (Formatter form = new Formatter()) {
-			if (registration) form.format("LoginCredentials[identifier=%s,passwordHash=", identifier);
-			else form.format("LoginCredentials[id=%d,passwordHash=", id);
+			form.format("LoginCredentials[identifier=%s,passwordHash=", identifier);
 			for (byte element : passwordHash)
 				form.format("%02x", element);
 			return form.format(",registration=%b]", registration).toString();
@@ -90,12 +72,6 @@ public class LoginCredentials implements Serializable {
 	 */
 	public byte[] getPasswordHash() { return passwordHash; }
 
-	/**
-	 * @return the id of the underlying user
-	 * @since Envoy Common v0.2-alpha
-	 */
-	public long getId() { return id; }
-
 	/**
 	 * @return {@code true} if these credentials are used for user registration
 	 *         instead of user login