diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 17a6beef..9202b292 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -257,230 +257,6 @@ test-release-clang-cpp11-qt6.1.2:
 
 
 
-#-----------  Job Informations:
-# Type:       Build: debug
-# OS:         Linux
-# Compiler:   gcc
-# Language:   cpp11
-# QT Version: qt5.15.1
-
-build-debug-gcc-cpp11-qt5.15.1:
-  stage: build
-  script: "CI/ci-linux-build.sh"
-  #image: gitlab.vci.rwth-aachen.de:4567/docker/docker/docker-openmesh-container
-  tags:
-    - Linux
-    - stretch
-  variables:
-    COMPILER: "gcc"
-    LANGUAGE: "cpp11"
-    BUILD_TYPE: "debug"
-    QTVERSION: "qt5.15.1"
-    IWYU: "no"
-    VECTORCHECKS: "yes"
-  artifacts:
-    paths:
-    - build-gcc-cpp11-qt5.15.1-debug-vectorchecks/
-
-#-----------  Job Informations:
-# Type:       Test: debug
-# OS:         Linux
-# Compiler:   gcc
-# Language:   cpp11
-
-test-debug-gcc-cpp11-qt5.15.1:
-  stage: test
-  script: "CI/ci-linux-test.sh"
-  #image: gitlab.vci.rwth-aachen.de:4567/docker/docker/docker-openmesh-container
-  tags:
-    - Linux
-    - stretch
-    - MultiThreads
-  variables:
-    COMPILER: "gcc"
-    LANGUAGE: "cpp11"
-    BUILD_TYPE: "debug"
-    QTVERSION: "qt5.15.1"
-    IWYU: "no"
-    VECTORCHECKS: "yes"
-  dependencies: [build-debug-gcc-cpp11-qt5.15.1]
-  needs: [build-debug-gcc-cpp11-qt5.15.1]
-  artifacts:
-    reports:
-      junit:
-        - build-gcc-cpp11-qt5.15.1-debug-vectorchecks/Unittests/report.xml
-        - build-gcc-cpp11-qt5.15.1-debug-vectorchecks/Unittests/report-customvec.xml
-        - build-gcc-cpp11-qt5.15.1-debug-vectorchecks/Unittests/report-doublevec.xml
-
-
-#-----------  Job Informations:
-# Type:       Build: release
-# OS:         Linux
-# Compiler:   gcc
-# Language:   cpp11
-# QT Version: qt5.15.1
-
-build-release-gcc-cpp11-qt5.15.1:
-  stage: build
-  script: "CI/ci-linux-build.sh"
-  #image: gitlab.vci.rwth-aachen.de:4567/docker/docker/docker-openmesh-container
-  tags:
-    - Linux
-    - stretch
-  variables:
-    COMPILER: "gcc"
-    LANGUAGE: "cpp11"
-    BUILD_TYPE: "release"
-    QTVERSION: "qt5.15.1"
-    IWYU: "no"
-    VECTORCHECKS: "yes"
-  artifacts:
-    paths:
-    - build-gcc-cpp11-qt5.15.1-release-vectorchecks/
-
-#-----------  Job Informations:
-# Type:       Test: release
-# OS:         Linux
-# Compiler:   gcc
-# Language:   cpp11
-
-test-release-gcc-cpp11-qt5.15.1:
-  stage: test
-  script: "CI/ci-linux-test.sh"
-  #image: gitlab.vci.rwth-aachen.de:4567/docker/docker/docker-openmesh-container
-  tags:
-    - Linux
-    - stretch
-    - MultiThreads
-  variables:
-    COMPILER: "gcc"
-    LANGUAGE: "cpp11"
-    BUILD_TYPE: "release"
-    QTVERSION: "qt5.15.1"
-    IWYU: "no"
-    VECTORCHECKS: "yes"
-  dependencies: [build-release-gcc-cpp11-qt5.15.1]
-  needs: [build-release-gcc-cpp11-qt5.15.1]
-  artifacts:
-    reports:
-      junit:
-        - build-gcc-cpp11-qt5.15.1-release-vectorchecks/Unittests/report.xml
-        - build-gcc-cpp11-qt5.15.1-release-vectorchecks/Unittests/report-customvec.xml
-        - build-gcc-cpp11-qt5.15.1-release-vectorchecks/Unittests/report-doublevec.xml
-
-
-#-----------  Job Informations:
-# Type:       Build: debug
-# OS:         Linux
-# Compiler:   clang
-# Language:   cpp11
-# QT Version: qt5.15.1
-
-build-debug-clang-cpp11-qt5.15.1:
-  stage: build
-  script: "CI/ci-linux-build.sh"
-  #image: gitlab.vci.rwth-aachen.de:4567/docker/docker/docker-openmesh-container
-  tags:
-    - Linux
-    - stretch
-  variables:
-    COMPILER: "clang"
-    LANGUAGE: "cpp11"
-    BUILD_TYPE: "debug"
-    QTVERSION: "qt5.15.1"
-    IWYU: "no"
-    VECTORCHECKS: "yes"
-  artifacts:
-    paths:
-    - build-clang-cpp11-qt5.15.1-debug-vectorchecks/
-
-#-----------  Job Informations:
-# Type:       Test: debug
-# OS:         Linux
-# Compiler:   clang
-# Language:   cpp11
-
-test-debug-clang-cpp11-qt5.15.1:
-  stage: test
-  script: "CI/ci-linux-test.sh"
-  #image: gitlab.vci.rwth-aachen.de:4567/docker/docker/docker-openmesh-container
-  tags:
-    - Linux
-    - stretch
-    - MultiThreads
-  variables:
-    COMPILER: "clang"
-    LANGUAGE: "cpp11"
-    BUILD_TYPE: "debug"
-    QTVERSION: "qt5.15.1"
-    IWYU: "no"
-    VECTORCHECKS: "yes"
-  dependencies: [build-debug-clang-cpp11-qt5.15.1]
-  needs: [build-debug-clang-cpp11-qt5.15.1]
-  artifacts:
-    reports:
-      junit:
-        - build-clang-cpp11-qt5.15.1-debug-vectorchecks/Unittests/report.xml
-        - build-clang-cpp11-qt5.15.1-debug-vectorchecks/Unittests/report-customvec.xml
-        - build-clang-cpp11-qt5.15.1-debug-vectorchecks/Unittests/report-doublevec.xml
-
-
-#-----------  Job Informations:
-# Type:       Build: release
-# OS:         Linux
-# Compiler:   clang
-# Language:   cpp11
-# QT Version: qt5.15.1
-
-build-release-clang-cpp11-qt5.15.1:
-  stage: build
-  script: "CI/ci-linux-build.sh"
-  #image: gitlab.vci.rwth-aachen.de:4567/docker/docker/docker-openmesh-container
-  tags:
-    - Linux
-    - stretch
-  variables:
-    COMPILER: "clang"
-    LANGUAGE: "cpp11"
-    BUILD_TYPE: "release"
-    QTVERSION: "qt5.15.1"
-    IWYU: "no"
-    VECTORCHECKS: "yes"
-  artifacts:
-    paths:
-    - build-clang-cpp11-qt5.15.1-release-vectorchecks/
-
-#-----------  Job Informations:
-# Type:       Test: release
-# OS:         Linux
-# Compiler:   clang
-# Language:   cpp11
-
-test-release-clang-cpp11-qt5.15.1:
-  stage: test
-  script: "CI/ci-linux-test.sh"
-  #image: gitlab.vci.rwth-aachen.de:4567/docker/docker/docker-openmesh-container
-  tags:
-    - Linux
-    - stretch
-    - MultiThreads
-  variables:
-    COMPILER: "clang"
-    LANGUAGE: "cpp11"
-    BUILD_TYPE: "release"
-    QTVERSION: "qt5.15.1"
-    IWYU: "no"
-    VECTORCHECKS: "yes"
-  dependencies: [build-release-clang-cpp11-qt5.15.1]
-  needs: [build-release-clang-cpp11-qt5.15.1]
-  artifacts:
-    reports:
-      junit:
-        - build-clang-cpp11-qt5.15.1-release-vectorchecks/Unittests/report.xml
-        - build-clang-cpp11-qt5.15.1-release-vectorchecks/Unittests/report-customvec.xml
-        - build-clang-cpp11-qt5.15.1-release-vectorchecks/Unittests/report-doublevec.xml
-
-
 #-----------  Job Informations:
 # Type:       Build: debug
 # OS:         Linux
diff --git a/CI/gitlab-ci/linux.yml b/CI/gitlab-ci/linux.yml
index c1f133e8..abb53a8b 100644
--- a/CI/gitlab-ci/linux.yml
+++ b/CI/gitlab-ci/linux.yml
@@ -15,8 +15,6 @@ cppcheck:
 {linux-template-job.yml, COMPILER=gcc, LANGUAGE=cpp11, QT_VERSION=qt6.1.2}
 {linux-template-job.yml, COMPILER=clang, LANGUAGE=cpp11, QT_VERSION=qt6.1.2}
 
-{linux-template-job.yml, COMPILER=gcc, LANGUAGE=cpp11, QT_VERSION=qt5.15.1}
-{linux-template-job.yml, COMPILER=clang, LANGUAGE=cpp11, QT_VERSION=qt5.15.1}
 {linux-template-job.yml, COMPILER=gcc, LANGUAGE=cpp14, QT_VERSION=qt5.15.1}
 {linux-template-job.yml, COMPILER=clang, LANGUAGE=cpp14, QT_VERSION=qt5.15.1}