diff --git a/application/libraries/AkteLib_old.php b/application/libraries/AkteLib_old.php
deleted file mode 100644
index 8e27d04aa..000000000
--- a/application/libraries/AkteLib_old.php
+++ /dev/null
@@ -1,308 +0,0 @@
-<?php
-
-if (! defined('BASEPATH')) exit('No direct script access allowed');
-
-class AkteLibOld extends FHC_Controller
-{
-	const AKTE_KATEGORIE_KURZBZ = 'Akte';
-	const AKTE_CONTENT_PROPERTY = 'file_content';
-	const AKTE_TITEL_PROPERTY = 'titel';
-
-	private $_ci; // Code igniter instance
-	private $_uid;
-
-	/**
-	 * Object initialization
-	 */
-	public function __construct()
-	{
-		$this->_ci =& get_instance();
-		$this->_uid = getAuthUID();
-
-		$this->_ci->load->model('crm/Akte_model', 'AkteModel');
-		$this->_ci->load->model('content/Dms_model', 'DmsModel');
-		$this->_ci->load->model('content/DmsVersion_model', 'DmsVersionModel');
-		$this->_ci->load->model('content/DmsFS_model', 'DmsFSModel');
-	}
-
-	public function insertAkteDms($akte)
-	{
-		$dmsRes = $this->_insertDmsFromAkteData($akte);
-
-		if (isError($dmsRes))
-			return $dmsRes;
-
-		if (hasData($dmsRes))
-		{
-			$dms_id = getData($dmsRes)['dms_id'];
-			$akte['dms_id'] = $dms_id;
-			unset($akte[self::AKTE_CONTENT_PROPERTY]);
-
-			// insert Akte
-			$akteRes = $this->_ci->AkteModel->insert($akte);
-
-			if (isError($akteRes))
-				return $akteRes;
-
-			if (hasData($akteRes))
-			{
-				$akte_id = getData($akteRes);
-
-				return success(
-					array(
-						'akte_id' => $akte_id,
-						'dms_id' => $dms_id
-					)
-				);
-			}
-			else
-				return error("Error when inserting Akte");
-		}
-		else
-			return error("Error when inserting Dms");
-
-	}
-
-	public function updateAkteDms($akte_id, $akte, $overwriteVersion = false)
-	{
-		$dms_id = null;
-		$maxVersion = 0;
-
-		// get latest version number
-		$db = new DB_Model();
-		$akteDmsRes = $db->execReadOnlyQuery(
-			'SELECT dms_id, max(version) AS max_version
-			FROM public.tbl_akte ak
-			LEFT JOIN campus.tbl_dms USING(dms_id)
-			LEFT JOIN campus.tbl_dms_version USING(dms_id)
-			WHERE akte_id = ?
-			GROUP BY dms_id',
-			array($akte_id)
-		);
-
-		if (isError($akteDmsRes))
-			return $akteDmsRes;
-
-		if (hasData($akteDmsRes))
-		{
-			$akteDms = getData($akteDmsRes)[0];
-
-			// if no dms, insert new
-			if (is_null($akteDms->dms_id))
-			{
-				$dmsRes = $this->_insertDmsFromAkteData($akte);
-
-				if (isError($dmsRes))
-					return $dmsRes;
-
-				if (hasData($dmsRes))
-				{
-					$dms_id = getData($dmsRes)['dms_id'];
-				}
-				else
-					return error('Error when inserting dms');
-			}
-			else
-			{
-				$dms_id = $akteDms->dms_id;
-
-				// otherwise update dms version
-				$maxVersion = $akteDms->max_version;
-
-				if (is_numeric($maxVersion))
-				{
-					// overwrite latest
-					$currVersion = $overwriteVersion === true ? $maxVersion : $maxVersion + 1;
-
-					$writeFileRes = $this->_writeFile($akte[self::AKTE_TITEL_PROPERTY], $akte[self::AKTE_CONTENT_PROPERTY], $dms_id, $currVersion);
-
-					if (isError($writeFileRes))
-						return $writeFileRes;
-
-					if (hasData($writeFileRes))
-					{
-						// update or insert dms version
-						$filename = getData($writeFileRes);
-						$dmsVersionRes = $this->_upsertDmsVersion($dms_id, $currVersion, $filename, $akte);
-
-						if (isError($dmsVersionRes))
-							return $dmsVersionRes;
-					}
-					else
-						return error("Error when writing file");
-				}
-				else
-					return error("invalid dms version");
-			}
-
-/*			var_dump("DMS ID");
-			var_dump($dms_id);*/
-
-			if (!is_numeric($dms_id))
-				return error("invalid dms id");
-
-			// update Akte and link akte to inserted dms
-			$akte['dms_id'] = $dms_id;
-			unset($akte[self::AKTE_CONTENT_PROPERTY]);
-
-			$akteUpdateRes = $this->_ci->AkteModel->update(
-				$akte_id,
-				$akte
-			);
-
-			if (isError($akteUpdateRes))
-				return $akteUpdateRes;
-
-			return success(
-				array(
-					'akte_id' => $akte_id,
-					'dms_id' => $dms_id,
-					'version' => $maxVersion
-				)
-			);
-		}
-		else
-			return error("Akte not found");
-	}
-
-	private function _insertDmsFromAkteData($akte)
-	{
-		if (!isset($akte[self::AKTE_TITEL_PROPERTY]))
-			return error("Akte has no title");
-
-		if (!isset($akte[self::AKTE_CONTENT_PROPERTY]))
-			return error("Akte has no inhalt");
-
-		// write akte to filesystem
-		$fileWriteRes = $this->_writeFile($akte[self::AKTE_TITEL_PROPERTY], $akte[self::AKTE_CONTENT_PROPERTY]);
-
-		if (isError($fileWriteRes))
-			return $fileWriteRes;
-
-		if (hasData($fileWriteRes))
-		{
-			$filename = getData($fileWriteRes);
-
-			// insert dms
-			$dmsRes = $this->_ci->DmsModel->insert(
-				array(
-					'kategorie_kurzbz' => self::AKTE_KATEGORIE_KURZBZ
-				)
-			);
-
-			if (isError($dmsRes))
-				return $dmsRes;
-
-			if (hasData($dmsRes))
-			{
-				$dms_id = getData($dmsRes);
-
-				// insert dms version
-				$dmsVersionRes = $this->_upsertDmsVersion($dms_id, 0, $filename, $akte);
-
-				if (isError($dmsVersionRes))
-					return $dmsVersionRes;
-
-				return success(
-					array(
-						'dms_id' => $dms_id
-					)
-				);
-			}
-			else
-				return error("Error when inserting DMS");
-		}
-		else
-			return error("Error when writing file");
-	}
-
-	private function _writeFile($akteFilename, $akteInhalt, $dms_id = null, $version = null)
-	{
-		$filename = null;
-
-		if (isset($dms_id) && isset($version))
-		{
-			$this->_ci->DmsVersionModel->addSelect('filename');
-			$dmsVersionRes = $this->_ci->DmsVersionModel->loadWhere(
-				array(
-					'dms_id' => $dms_id,
-					'version' => $version
-				)
-			);
-
-			if (isError($dmsVersionRes))
-				return $dmsVersionRes;
-
-			if (hasData($dmsVersionRes))
-			{
-				$filename = getData($dmsVersionRes)[0]->filename;
-			}
-		}
-		else
-		{
-			$filename = $this->_getUniqueFilename($akteFilename);
-		}
-
-		if (isEmptyString($filename))
-			return error('No filename provided.');
-
-		// write akte to filesystem
-		$writeRes = $this->_ci->DmsFSModel->write($filename, $akteInhalt);
-
-		if (isError($writeRes))
-			return $writeRes;
-
-		return success($filename);
-	}
-
-	private function _upsertDmsVersion($dms_id, $version, $filename, $akte)
-	{
-		$dmsVersionToSave = array(
-			'dms_id' => $dms_id,
-			'version' => $version,
-			'filename' => $filename,
-			'mimetype' => isset($akte['mimetype']) ? $akte['mimetype'] : null, // TODO check if exists
-			'name' => isset($akte['titel']) ? $akte['titel'] : null, // TODO check if exists,
-		);
-
-		$dmsVersionRes = $this->_ci->DmsVersionModel->loadWhere(
-			array(
-				'dms_id' => $dms_id,
-				'version' => $version
-			)
-		);
-
-		if (isError($dmsVersionRes))
-			return $dmsVersionRes;
-
-		if (hasData($dmsVersionRes))
-		{
-			$dmsVersionToSave['updatevon'] = $this->_uid;
-			$dmsVersionToSave['updateamum'] = date('Y-m-d H:i:s');
-			return $this->_ci->DmsVersionModel->update(
-				array(
-					'dms_id' => $dms_id,
-					'version' => $version
-				),
-				$dmsVersionToSave
-			);
-		}
-		else
-		{
-			$dmsVersionToSave['insertvon'] = $this->_uid;
-			$dmsVersionToSave['insertamum'] = date('Y-m-d H:i:s');
-			return $this->_ci->DmsVersionModel->insert($dmsVersionToSave);
-		}
-	}
-
-	private function _getUniqueFilename($filename)
-	{
-		$uniqueFilename = uniqid();
-		$fileExtension = pathinfo($filename, PATHINFO_EXTENSION);
-
-		if (!isEmptyString($fileExtension))
-			$uniqueFilename .= '.'.$fileExtension;
-
-		return $uniqueFilename;
-	}
-}