src/Brick/User/UserManager.php
public function removeAvatar($userId)
	{
		$person = $this->get($userId);
		if ($person) {
			$this->repository->update($userId, [
				'avatar_filename' => NULL,
				'avatar_namespace' => NULL,
			]);

			return TRUE;
		}

		return FALSE;
	}
public function removeAvatar($userId)
	{
		$person = $this->get($userId);
		if ($person) {
			$this->repository->update($userId, [
				'avatar_filename' => NULL,
				'avatar_namespace' => NULL,
			]);

			return TRUE;
		}

		return FALSE;
	}
@param $userId int

@return bool