diff --git a/src/Administration.php b/src/Administration.php
index 5b44abb..0b6f361 100644
--- a/src/Administration.php
+++ b/src/Administration.php
@@ -25,51 +25,25 @@ final class Administration extends UserManager {
 	/**
 	 * Creates a new user
 	 *
-	 * If you want the user's account to be activated by default, pass `null` as the callback
-	 *
-	 * If you want to make the user verify their email address first, pass an anonymous function as the callback
-	 *
-	 * The callback function must have the following signature:
-	 *
-	 * `function ($selector, $token)`
-	 *
-	 * Both pieces of information must be sent to the user, usually embedded in a link
-	 *
-	 * When the user wants to verify their email address as a next step, both pieces will be required again
-	 *
 	 * @param string $email the email address to register
 	 * @param string $password the password for the new account
 	 * @param string|null $username (optional) the username that will be displayed
-	 * @param callable|null $callback (optional) the function that sends the confirmation email to the user
 	 * @return int the ID of the user that has been created (if any)
 	 * @throws InvalidEmailException if the email address was invalid
 	 * @throws InvalidPasswordException if the password was invalid
 	 * @throws UserAlreadyExistsException if a user with the specified email address already exists
 	 * @throws AuthError if an internal problem occurred (do *not* catch)
 	 */
-	public function createUser($email, $password, $username = null, callable $callback = null) {
-		return $this->createUserInternal(false, $email, $password, $username, $callback);
+	public function createUser($email, $password, $username = null) {
+		return $this->createUserInternal(false, $email, $password, $username, null);
 	}
 
 	/**
 	 * Creates a new user while ensuring that the username is unique
 	 *
-	 * If you want the user's account to be activated by default, pass `null` as the callback
-	 *
-	 * If you want to make the user verify their email address first, pass an anonymous function as the callback
-	 *
-	 * The callback function must have the following signature:
-	 *
-	 * `function ($selector, $token)`
-	 *
-	 * Both pieces of information must be sent to the user, usually embedded in a link
-	 *
-	 * When the user wants to verify their email address as a next step, both pieces will be required again
-	 *
 	 * @param string $email the email address to register
 	 * @param string $password the password for the new account
 	 * @param string|null $username (optional) the username that will be displayed
-	 * @param callable|null $callback (optional) the function that sends the confirmation email to the user
 	 * @return int the ID of the user that has been created (if any)
 	 * @throws InvalidEmailException if the email address was invalid
 	 * @throws InvalidPasswordException if the password was invalid
@@ -77,8 +51,8 @@ final class Administration extends UserManager {
 	 * @throws DuplicateUsernameException if the specified username wasn't unique
 	 * @throws AuthError if an internal problem occurred (do *not* catch)
 	 */
-	public function createUserWithUniqueUsername($email, $password, $username = null, callable $callback = null) {
-		return $this->createUserInternal(true, $email, $password, $username, $callback);
+	public function createUserWithUniqueUsername($email, $password, $username = null) {
+		return $this->createUserInternal(true, $email, $password, $username, null);
 	}
 
 	protected function throttle($actionType, $customSelector = null) {}