diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
deleted file mode 100644
index 8fe72ec8081b6a1c680c4053cdb3655e48db3a95..0000000000000000000000000000000000000000
--- a/.gitlab-ci.yml
+++ /dev/null
@@ -1,84 +0,0 @@
-# This file is a template, and might need editing before it works on your project.
-# To contribute improvements to CI/CD templates, please follow the Development guide at:
-# https://docs.gitlab.com/ee/development/cicd/templates.html
-# This specific template is located at:
-# https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/Python.gitlab-ci.yml
-
-# Official language image. Look for the different tagged releases at:
-# https://hub.docker.com/r/library/python/tags/
-image: python:latest
-
-# Change pip's cache directory to be inside the project directory since we can
-# only cache local items.
-variables:
-  PIP_CACHE_DIR: "$CI_PROJECT_DIR/.cache/pip"
-
-# Pip's cache doesn't store the python packages
-# https://pip.pypa.io/en/stable/topics/caching/
-#
-# If you want to also cache the installed packages, you have to install
-# them in a virtualenv and cache it as well.
-cache:
-  paths:
-    - .cache/pip
-    - venv/
-
-setup_env:
-  rules:
-    - if: '$CI_PROJECT_NAMESPACE == "fst-tuda/public/lehre"'
-  script:
-  - python --version  # For debugging
-  - pip install virtualenv
-  - virtualenv venv
-  - source venv/bin/activate
-  - which python
-
-
-test:
-  rules:
-    - if: '$CI_PROJECT_NAMESPACE == "fst-tuda/public/lehre"'
-  tags:
-    - env:docker
-  script:
-  #-  python setup.py test
-    - pip install flake8==5.0.4 flake8-nb==0.5.2 # you can also use tox
-    - pwd
-    - ls -lh
-    - flake8 --max-line-length 88 ./functions/*.py
-    - flake8-nb --max-line-length 88 ausarbeitung.ipynb
-
-
-run:
-  rules:
-    - if: '$CI_PROJECT_NAMESPACE == "fst-tuda/public/lehre"'
-  tags:
-  - env:docker
-  script:
-    #- pip install -r requirements.txt
-    - pip install pytest nbmake
-    - pytest --nbmake ./
-    # Test our notebooks, the included example will also result in errors
-    # if plain errors like imports or typos appear
-    # Does not replace unit tests
-
-    #- python trial_json.py
-    # an alternative approach is to install and run:
-    # - pip install dist/*
-    # run the command here
-#  artifacts:
-#    paths:
-#      - dist/*.whl
-
-#pages:
-#  tags:
-#  - env:docker
-#  script:
-#    - pip install sphinx sphinx-rtd-theme
-#    - cd doc
-#    - make html
-#    - mv build/html/ ../public/
-#  artifacts:
-#    paths:
-#      - public
-#  rules:
-#    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
diff --git a/datasheets/create_json_from_excel.py b/datasheets/create_json_from_excel.py
deleted file mode 100644
index 0d74bde458406289de3710093fb6b24559607be2..0000000000000000000000000000000000000000
--- a/datasheets/create_json_from_excel.py
+++ /dev/null
@@ -1,138 +0,0 @@
-"""Create json metadata files from an excel file."""
-import os
-import sys
-from collections import namedtuple
-from typing import Dict, List, NamedTuple
-
-import pandas as pd
-# pandas is using another dependency called openpyxl
-# both need to be installed
-
-
-COLUMN_FOR_INDEX_IN_EXCEL = 0
-KEYWORD_TO_IGNORE_COLUMN = "ignore"
-KEYWORD_TO_IGNORE_SHEET = "ignore"
-HELP_TXT = """
-    1. The source excel file. (e.g. test.xlsx)
-    2. The destination folder for the json file. (e.g. test_folder)
-    3. Override the folder if existing. (OPTIONAL, False)
-
-    Providing only '-- help' will show this text and exit.
-"""
-
-
-def read_terminal_arguments() -> NamedTuple:
-    """Read terminal arguments.
-
-    1. File to read from.
-    2. Name of the folder to store the json files.
-    3. Override the destination folder if existing, defaults False.
-    """
-    terminal_args = namedtuple(
-        "terminal_args",
-        ["source", "destination", "override"],
-        defaults=["test.xlsx", "test", True]
-    )
-    if len(sys.argv) == 1:  # No arguments passed.
-        return terminal_args()  # noqa
-    if sys.argv[1] in ["help", "--help", "-h", "?", "h"]:
-        print(HELP_TXT)
-        raise SystemExit
-    try:
-        arg_1 = sys.argv[1]
-    except IndexError:
-        raise SystemExit
-    try:
-        arg_2 = sys.argv[2]
-    except IndexError:
-        raise SystemExit
-    try:
-        arg_3 = sys.argv[3]
-    except IndexError:
-        arg_3 = False
-
-    terminal_args = terminal_args(
-        source=arg_1,
-        destination=arg_2,
-        override=bool(arg_3)
-    )
-    return terminal_args
-
-
-def read_excel_file(path: str) -> Dict[str, pd.DataFrame]:
-    """Read the sheets of the Excel file into multiple dataframes."""
-    if not os.path.exists(path):
-        raise FileNotFoundError(
-            f"No file found at '{path}'"
-        )
-    sheets_as_dataframes = {}
-    with pd.ExcelFile(path) as xls:
-        for sheet_name in xls.sheet_names:
-            if sheet_name.startswith(KEYWORD_TO_IGNORE_SHEET):
-                continue
-            excel_file = pd.read_excel(
-                xls,
-                sheet_name,
-                index_col=COLUMN_FOR_INDEX_IN_EXCEL
-            )
-            sheets_as_dataframes.update({sheet_name: excel_file})
-        return sheets_as_dataframes
-
-
-def make_json(dataframes: Dict[str, pd.DataFrame]) -> Dict[str, str]:
-    """Create the json strings from the excel data."""
-    json_files = {}
-    for sheet_name, dataframe in dataframes.items():
-        dataframe.dropna(inplace=True, axis=1)
-        dropped_columns = [column for column in dataframe.columns
-                           if column.startswith(KEYWORD_TO_IGNORE_COLUMN)]
-        dataframe.drop(dropped_columns, axis=1, inplace=True,
-                       errors="ignore")
-        print(sheet_name)
-        json_string = dataframe.to_json(orient="index", indent=4, force_ascii=False)
-        json_files.update({sheet_name: json_string})
-    return json_files
-
-
-def save_json_files(folder_name: str, jsons_files: Dict[str, str],
-                    override_files: bool) -> None:
-    """Save the json strings to a '.json' file format."""
-    path_to_json_folder = os.path.join(
-        os.path.abspath(__file__),
-        os.pardir,
-        folder_name
-    )
-    path_to_json_folder = os.path.abspath(path_to_json_folder)
-    path_exists = os.path.exists(path_to_json_folder)
-    if path_exists and not override_files:
-        raise FileExistsError(
-            f"Folder: {path_to_json_folder} exists. Pass override argument "
-            f"to override the folder. See --help for more."
-        )
-    if not path_exists:
-        os.mkdir(path_to_json_folder)
-    for json_name, json_sting in jsons_files.items():
-        file_name = f"{json_name}.json"
-        file_path = os.path.join(path_to_json_folder, file_name)
-        with open(file_path, "w") as f:
-            f.write(json_sting)
-
-
-def main():
-    """The main function."""
-    # Get terminal arguments.
-    terminal_arguments = read_terminal_arguments()
-    # Read the Excel file.
-    path_to_file = os.path.abspath(os.path.join(
-        os.path.abspath(__file__),
-        os.pardir,
-        terminal_arguments.source)
-    )
-    excel_sheets_as_dataframes = read_excel_file(path_to_file)
-    excel_sheets_as_json = make_json(excel_sheets_as_dataframes)
-    save_json_files(terminal_arguments.destination, excel_sheets_as_json,
-                    terminal_arguments.override)
-
-
-if __name__ == "__main__":
-    t = main()
diff --git a/datasheets/lego_item_list_FAIR-quality_kpis.xlsx b/datasheets/lego_item_list_FAIR-quality_kpis.xlsx
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diff --git a/datasheets/lego_teileliste_faire_qualitaets_kpis.xlsx b/datasheets/lego_teileliste_faire_qualitaets_kpis.xlsx
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index 7351adab582c31b5242f7a40c890f31e770b6c59..0000000000000000000000000000000000000000
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diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 82ae5cef8d6c4d0eb113009b34045f34ef3250db..0000000000000000000000000000000000000000
--- a/requirements.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-pandas
-tables