diff --git a/libatomsparser/libAtomsParser.py b/libatomsparser/libAtomsParser.py
index 2ac434881cdb88009f2c346163de3d7626c34a25..e3384373291020088c562d37cafd97b96a52e711 100644
--- a/libatomsparser/libAtomsParser.py
+++ b/libatomsparser/libAtomsParser.py
@@ -22,7 +22,6 @@ import logging
 import numpy as np
 
 from nomadcore.local_meta_info import loadJsonFile, InfoKindEl
-from nomadcore.parser_backend import JsonParseEventsWriterBackend
 from contextlib import contextmanager
 
 from libatomsparser.libLibAtomsParser import *
@@ -48,13 +47,9 @@ class LibAtomsParserWrapper():
         self.backend_factory = backend
 
     def parse(self, mainfile):
-        import nomad_meta_info
-        metaInfoPath = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(nomad_meta_info.__file__)), "lib_atoms.nomadmetainfo.json"))
-        metaInfoEnv, warnings = loadJsonFile(filePath = metaInfoPath, dependencyLoader = None, extraArgsHandling = InfoKindEl.ADD_EXTRA_ARGS, uri = None)
-        from unittest.mock import patch
         logging.info('lib-atoms parser started')
         logging.getLogger('nomadcore').setLevel(logging.WARNING)
-        backend = self.backend_factory(metaInfoEnv)
+        backend = self.backend_factory("lib_atoms.nomadmetainfo.json")
         # Call the old parser without a class.
         parserInfo = {'name': 'lib_atoms-parser', 'version': '0.0'}
         backend = parse_without_class(mainfile, backend, parserInfo)
@@ -102,7 +97,6 @@ def parse_without_class(output_file_name, backend, parser_info):
     jbe.startedParsingSession(output_file_name, parser_info)
     base_dir = os.path.dirname(os.path.abspath(output_file_name))
 
-    # jbe = JsonParseEventsWriterBackend(meta_info_env)
     # jbe.startedParsingSession(output_file_name, parser_info)
 
     # base_dir = os.path.dirname(os.path.abspath(output_file_name))
diff --git a/libatomsparser/setup_paths.py b/libatomsparser/setup_paths.py
deleted file mode 100644
index 41ee4131c853f8d8eefc9d1d9fa495a8d853a817..0000000000000000000000000000000000000000
--- a/libatomsparser/setup_paths.py
+++ /dev/null
@@ -1,20 +0,0 @@
-# Copyright 2016-2018 Fawzi Mohamed, Carl Poelking, Daria Tomecka
-# 
-#   Licensed under the Apache License, Version 2.0 (the "License");
-#   you may not use this file except in compliance with the License.
-#   You may obtain a copy of the License at
-# 
-#     http://www.apache.org/licenses/LICENSE-2.0
-# 
-#   Unless required by applicable law or agreed to in writing, software
-#   distributed under the License is distributed on an "AS IS" BASIS,
-#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#   See the License for the specific language governing permissions and
-#   limitations under the License.
-
-import sys, os, os.path
-baseDir = os.path.dirname(os.path.abspath(__file__))
-commonDir = os.path.normpath(os.path.join(baseDir,"../../../../python-common/common/python"))
-
-if not commonDir in sys.path:
-    sys.path.insert(0, commonDir)