diff --git a/.gitlab-ci.yml-cache b/.gitlab-ci.yml-cache
deleted file mode 100644
index fe2865b43182d3afac7a1513212bcd1cde988e13..0000000000000000000000000000000000000000
--- a/.gitlab-ci.yml-cache
+++ /dev/null
@@ -1,581 +0,0 @@
-variables:
-  GIT_STRATEGY: $CORSIKA8_GIT_STRATEGY # clone: fresh clone, fetch: update
-  GIT_SSL_NO_VERIFY: "1"
-  GIT_DEPTH: "1"
-  # to re-use clones also in different forks
-  GIT_CLONE_PATH: $CI_BUILDS_DIR/$CI_CONCURRENT_ID/$CI_PROJECT_NAME
-  ## Runtime options for sanitizers
-  # (detect_leaks=0 because leak detection doesn't work in CI, but you can
-  # try to test with leak detection locally by using detect_leaks=1)
-  UBSAN_OPTIONS: "print_stacktrace=1"
-  LSAN_OPTIONS: "log_threads=1"
-  ASAN_OPTIONS: "detect_leaks=0:detect_stack_use_after_return=1"
-  # location of AirShowerPhysics/corsika-data
-  CORSIKA_DATA: "${CI_PROJECT_DIR}/modules/data" # the git submodule
-  corsika_DIR: "${CI_PROJECT_DIR}/build/install" # for cmake to find corsikaConfig.cmake
-  # _alternatively_ corsika-data can be downloaded as submodule:
-  GIT_SUBMODULE_STRATEGY: normal # none: we get the submodules in before_script,
-                                 # normal: get submodules automatically
-  CTEST_OUTPUT_ON_FAILURE: 1
-
-
-#
-# multi-step pipeline for each commit
-#
-# Mote: "Draft:" merge request, non-Draft merge requests and "Ready for Code Review" MR are all
-#       handled explicitly
-#
-stages:
-  - quality
-  - config
-  - build
-  - test
-  - build_test
-  - example
-  - build_test_example
-  - python
-  - install
-  - optional
-
-
-
-
-####### CODE QUALITY CHECK ##############
-
-##########################################################
-check-copyrights:
-  image: corsika/devel:u-18.04
-  stage: quality
-  tags:
-    - corsika
-  script:
-    - ./do-copyright.py
-  rules:
-    - if: $CI_MERGE_REQUEST_ID
-    - if: $CI_COMMIT_TAG
-    - if: $CI_COMMIT_BRANCH
-  allow_failure: true
-
-##########################################################
-check-clang-format:
-  image: corsika/devel:clang-8
-  stage: quality
-  tags:
-    - corsika
-  script:
-    - ./do-clang-format.py --all
-  rules:
-    - if: $CI_MERGE_REQUEST_ID
-    - if: $CI_COMMIT_TAG
-    - if: $CI_COMMIT_BRANCH
-  allow_failure: true
-
-### CodeQuality tool ####
-#include:
-#  - template: Code-Quality.gitlab-ci.yml
-#
-#code_quality:
-#  stage: quality
-#  rules:
-#    - if: '$CODE_QUALITY_DISABLED'
-#      when: never
-#    - if: '$CI_PIPELINE_SOURCE == "merge_request_event"' # Run code quality job in merge request pipelines
-#    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'      # Run code quality job in pipelines on the master branch (but not in other branch pipelines)
-#    - if: '$CI_COMMIT_TAG'                               # Run code quality job in pipelines for tags
-
-####### CONFIG ##############
-
-##########################################################
-# the generic config template job
-# job/stage to just prepare cmake
-.config:
-  stage: config
-  tags:
-    - corsika
-  script:
-    - mkdir -p build
-    - cd build
-    - cmake .. -DCMAKE_INSTALL_PREFIX=$PWD/install -DCMAKE_BUILD_TYPE=Debug -DUSE_Pythia8_C8=C8
-  rules:
-    - if: $CI_MERGE_REQUEST_ID
-    - if: $CI_COMMIT_TAG
-    - if: $CI_COMMIT_BRANCH
-  artifacts:
-    when: on_failure
-    expire_in: 3 days
-    paths:
-      - ${CI_PROJECT_DIR}/build/CMakeFiles/CMakeOutput.log
-  cache:
-    paths:
-      - ${CI_PROJECT_DIR}/build/
-    untracked: true
-    policy: pull-push    
-
-# config for gcc
-config-u-18_04:
-  extends: .config
-  image: corsika/devel:u-18.04
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-gcc"
-
-# config for clang
-config-clang-8:
-  extends: .config
-  image: corsika/devel:clang-8
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-clang"
-
-
-
-
-####### BUILD (only manual) ##############
-
-##########################################################
-# the generic build template job
-# normal pipeline for each commit
-.build:
-  stage: build
-  tags:
-    - corsika
-  script:
-    - cd build
-    - cmake --build . -- -j4
-  rules:
-    - if: $CI_MERGE_REQUEST_ID
-      when: manual
-    - if: $CI_COMMIT_TAG
-      when: manual
-    - if: $CI_COMMIT_BRANCH
-      when: manual
-  allow_failure: true
-  cache:
-    paths:
-      - ${CI_PROJECT_DIR}/build/
-    untracked: true
-    policy: pull-push
-
-# build for gcc
-build-u-18_04:
-  extends: .build
-  image: corsika/devel:u-18.04
-  dependencies:
-    - config-u-18_04
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-gcc"
-
-# build for clang
-build-clang-8:
-  extends: .build
-  image: corsika/devel:clang-8
-  dependencies:
-    - config-clang-8
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-clang"
-
-
-
-
-####### TEST (only manual)  ##############
-
-##########################################################
-# generic test template job
-# normal pipeline for each commit
-.test:
-  stage: test
-  tags:
-    - corsika
-  script:
-    - cd build
-    - set -o pipefail
-    - ctest -j4 
-  rules:
-    - if: $CI_MERGE_REQUEST_ID
-      when: manual
-    - if: $CI_COMMIT_TAG
-      when: manual
-    - if: $CI_COMMIT_BRANCH
-      when: manual
-  allow_failure: true
-  artifacts:
-    when: always
-    expire_in: 3 days
-    reports:
-      junit:
-        - ${CI_PROJECT_DIR}/build/test_outputs/junit*.xml
-  cache:
-    paths:
-      - ${CI_PROJECT_DIR}/build/
-    untracked: true
-    policy: pull-push
-
-# test for gcc
-test-u-18_04:
-  extends: .test
-  image: corsika/devel:u-18.04
-  dependencies:
-    - build-u-18_04
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-gcc"
-
-# test for clang
-test-clang-8:
-  extends: .test
-  image: corsika/devel:clang-8
-  dependencies:
-    - build-clang-8
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-clang"
-
-
-
-
-####### BUILD-TEST (all builds <= Draft, default) ##############
-
-##########################################################
-# the generic build_test template job
-# normal pipeline for each commit
-.build_test:
-  stage: build_test
-  tags:
-    - corsika
-  script:
-    - cd build
-    - cmake --build . -- -j4
-    - set -o pipefail
-    - ctest -j4 
-  rules:
-    - if: '$CI_MERGE_REQUEST_ID && $CI_MERGE_REQUEST_TITLE =~ /^Draft:/'
-      allow_failure: false
-    - if: $CI_MERGE_REQUEST_ID
-      when: manual
-      allow_failure: true
-  artifacts:
-    when: always
-    expire_in: 3 days
-    paths:
-      - ${CI_PROJECT_DIR}/build/test_outputs/junit*.xml
-    reports:
-      junit:
-        - ${CI_PROJECT_DIR}/build/test_outputs/junit*.xml
-  cache:
-    paths:
-      - ${CI_PROJECT_DIR}/build/
-    untracked: true
-    policy: pull-push
-
-# build_test for gcc
-build_test-u-18_04:
-  extends: .build_test
-  image: corsika/devel:u-18.04
-  dependencies:
-    - config-u-18_04
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-gcc"
-
-# build_test for clang
-build_test-clang-8:
-  extends: .build_test
-  image: corsika/devel:clang-8
-  dependencies:
-    - config-clang-8
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-clang"
-
-
-
-
-
-####### BUILD-TEST-EXAMPLE (only non-Draft)  ##############
-
-##########################################################
-# generic example template job
-# normal pipeline for each commit
-.build_test_example:
-  stage: build_test_example
-  tags:
-    - corsika
-  script:
-    - cd build
-    - cmake --build . -- -j4
-    - set -o pipefail
-    - ctest -j4
-    - make install
-    - mkdir -p build_examples
-    - cd build_examples
-    - cmake ../install/share/corsika/examples
-    - make -j4
-    - make -j4 run_examples | gzip -v -9 > examples.log.gz
-  rules:
-    - if: '$CI_MERGE_REQUEST_ID && $CI_MERGE_REQUEST_TITLE =~ /^Draft:/'
-      when: manual
-      allow_failure: true
-    - if: $CI_COMMIT_BRANCH
-    - if: $CI_MERGE_REQUEST_ID
-    - if: $CI_COMMIT_TAG
-      when: manual
-      allow_failure: true
-  artifacts:
-    when: always
-    expire_in: 3 days
-    reports:
-      junit:
-        - ${CI_PROJECT_DIR}/build/test_outputs/junit*.xml
-    paths:
-      - ${CI_PROJECT_DIR}/build/build_examples/examples.log.gz
-      - ${CI_PROJECT_DIR}/build/test_outputs/junit*.xml
-  cache:
-    paths:
-      - ${CI_PROJECT_DIR}/build/
-    untracked: true
-    policy: pull
-
-# build_test_example for gcc
-build_test_example-u-18_04:
-  extends: .build_test_example
-  image: corsika/devel:u-18.04
-  dependencies:
-    - config-u-18_04
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-gcc"
-
-# build_test_example for clang
-build_test_example-clang-8:
-  extends: .build_test_example
-  image: corsika/devel:clang-8
-  dependencies:
-    - config-clang-8
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-clang"
-
-
-
-
-####### INSTALL  ##############
-
-##########################################################
-# generic install template job
-# make install
-.install:
-  stage: install
-  tags:
-    - corsika
-  script:
-    - cd build
-    - set -o pipefail
-    - make -j2 install
-  rules:
-    - if: '$CI_MERGE_REQUEST_LABELS =~ /Ready for code review/' # run on merge requests, if label 'Ready for code review' is set
-    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
-      when: manual
-      allow_failure: true
-    - if: $CI_MERGE_REQUEST_ID
-      when: manual
-      allow_failure: true
-    - if: $CI_COMMIT_TAG
-      when: manual
-      allow_failure: true
-  cache:
-    paths:
-      - ${CI_PROJECT_DIR}/build/
-    untracked: true
-    policy: pull
-
-# install for gcc
-install-u-18_04:
-  extends: .install
-  image: corsika/devel:u-18.04
-  dependencies:
-    - build-u-18_04
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-gcc"
-
-# install for clang
-install-clang-8:
-  extends: .install
-  image: corsika/devel:clang-8
-  dependencies:
-    - build-clang-8
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-clang"
-
-
-
-
-####### OPTIONAL ##############
-
-##########################################################
-# generic release template job
-# optional release pipeline for each commit
-.release:
-  stage: optional
-  tags:
-    - corsika
-  script:
-    - cd build
-    - cmake .. -DCMAKE_BUILD_TYPE=Release -DUSE_Pythia8_C8=C8
-    - cmake --build . -- -j4
-    - set -o pipefail
-    - ctest -j4
-    - make install
-    - mkdir -p build_examples
-    - cd build_examples
-    - cmake ../install/share/corsika/examples
-    - make -j4
-    - make -j4 run_examples | gzip -v -9 > examples.log.gz
-  rules:
-    - if: '$CI_MERGE_REQUEST_LABELS =~ /Ready for code review/' # run on merge requests, if label 'Ready for code review' is set
-    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
-      when: manual
-      allow_failure: true
-    - if: $CI_MERGE_REQUEST_ID
-      when: manual
-      allow_failure: true
-    - if: $CI_COMMIT_TAG
-      when: manual
-      allow_failure: true
-  cache:
-    paths:
-      - ${CI_PROJECT_DIR}/build/
-    untracked: true
-    policy: pull
-  artifacts:
-    when: always
-    expire_in: 3 days
-    reports:
-      junit:
-        - ${CI_PROJECT_DIR}/build/test_outputs/junit*.xml
-    paths:
-      - ${CI_PROJECT_DIR}/build/build_examples/examples.log.gz
-      - ${CI_PROJECT_DIR}/build/test_outputs/junit*.xml
-
-# release for gcc
-release-full-u-18_04:
-  extends: .release
-  image: corsika/devel:u-18.04
-  dependencies:
-    - config-u-18_04
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-gcc"
-
-# release for clang
-release-full-clang-8:
-  extends: .release
-  image: corsika/devel:clang-8
-  dependencies:
-    - config-clang-8
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-clang"
-
-
-
-
-##########################################################
-# the coverage generation should either run when manually requested, OR always on the master
-
-coverage:
-  image: corsika/devel:u-18.04
-  dependencies:
-    - config-u-18_04
-  stage: optional
-  tags:
-    - corsika
-  script:
-    - cd build
-    - cmake .. -DCMAKE_BUILD_TYPE=Coverage -DUSE_Pythia8_C8=C8
-    - cmake --build . -- -j4
-    - ctest -j4 
-    - cmake --build . --target coverage
-    - tar czf coverage-report.tar.gz coverage-report
-  coverage: '/^.*lines\.+:\s(.*\%)\s/'
-  rules:
-    - if: '$CI_MERGE_REQUEST_LABELS =~ /Ready for code review/' # run on merge requests, if label 'Ready for code review' is set
-    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
-    - if: $CI_MERGE_REQUEST_ID
-      when: manual
-      allow_failure: true
-    - if: $CI_COMMIT_TAG
-      when: manual
-      allow_failure: true
-  artifacts:
-    when: always
-    expire_in: 1 year
-    paths:
-      - ${CI_PROJECT_DIR}/build/coverage-report.tar.gz
-  cache:
-    paths:
-      - ${CI_PROJECT_DIR}/build/
-    untracked: true
-    policy: pull
-    key: "${CI_COMMIT_REF_SLUG}-gcc"
-
-
-
-
-
-
-
-##########################################################
-sanity:
-  image: corsika/devel:u-18.04
-  dependencies:
-    - config-u-18_04
-  stage: optional
-  tags:
-    - corsika
-  script:
-    - cd build
-    - cmake .. -DWITH_CORSIKA_SANITIZERS_ENABLED=ON
-    - cmake --build . -- -j4
-  rules:
-    - if: '$CI_MERGE_REQUEST_LABELS =~ /Ready for code review/' # run on merge requests, if label 'Ready for code review' is set
-    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
-      when: manual
-      allow_failure: true
-    - if: $CI_MERGE_REQUEST_ID
-      when: manual
-      allow_failure: true
-    - if: $CI_COMMIT_TAG
-      when: manual
-      allow_failure: true
-  cache:
-    paths:
-      - ${CI_PROJECT_DIR}/build/
-    untracked: true
-    policy: pull
-    key: "${CI_COMMIT_REF_SLUG}-gcc"
-
-##########################################################
-# template for all Python jobs
-.python:
-  stage: python
-  tags:
-    - corsika
-  before_script:
-    - apt-get update && apt-get install -y python3-pip
-    - pip3 install --upgrade cython
-  script:
-    - cd ${CI_PROJECT_DIR}/python  # change into the Python directory
-    - pip3 install --user -e '.[test]'  # install the package + test deps
-    - python3 --version
-    - python3 -m mypy corsika
-    - python3 -m isort --atomic --check-only corsika tests
-    - python3 -m black -t py37 corsika tests
-    - python3 -m flake8 corsika tests
-    - python3 -m pytest --cov=corsika tests
-    - cd ${CI_PROJECT_DIR}  # reset the directory
-  coverage: '/^TOTAL\s*\d+\s*\d+\s*(.*\%)/'
-
-# the default Python version Ubuntu 18.04 is Python3.8
-python-3.8:
-  extends: .python
-  image: corsika/devel:u-18.04
-  dependencies:
-    - build-u-18_04
-  cache:
-    key: "${CI_COMMIT_REF_SLUG}-gcc"
-  artifacts:
-    when: always
-    expire_in: 1 year
-    paths:
-      - ${CI_PROJECT_DIR}/Python/python-test.log
-  allow_failure: true