diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 44edaf22c..000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,159 +0,0 @@
-sudo: required
-
-language: cpp
-
-matrix:
-  # Windows builds are experimental in Travis, ignore job results in case of failure!
-  allow_failures:
-    - os: windows
-    - os: linux
-      env: DYNAMIC_ANALYSIS=ON PENGUINV_UNIT_TEST_RUN_COUNT=10 CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Debug"
-  include:
-    - os: linux
-      addons:
-        apt:
-          sources:
-            - sourceline: 'ppa:beineri/opt-qt596-xenial'
-          packages:
-            - libgl-dev
-            - libpng-dev
-            - libjpeg-dev
-            - ocl-icd-opencl-dev
-            - opencl-headers
-          update: true
-      name: "Linux (Ubuntu) with CUDA 8 and Qt 5.9"
-      env: CUDA=8.0.61-1 QT_BASE=59 CMAKE_OPTIONS="-DPENGUINV_BUILD_TEST=ON"
-      before_install:
-        - source script/travis/install_cuda.sh
-        - source script/travis/install_qt5.sh
-    - os: linux
-      arch: arm64
-      addons:
-        apt:
-          sources:
-            - sourceline: 'ppa:beineri/opt-qt596-xenial'
-          packages:
-            - libgl-dev
-            - libpng-dev
-            - libjpeg-dev
-            - ocl-icd-opencl-dev
-            - opencl-headers
-          update: true
-      name: "Linux (Ubuntu) ARM"
-      before_script:
-        - cd test/unit_tests
-      script:
-        - make -j 2
-        - ./unit_tests
-        - cd ../performance_tests
-        - make -j 2
-        - cd ../../examples
-        - make -j 2
-    - os: osx
-      name: "OSX with QT latest"
-      env: QT_BASE=latest CMAKE_OPTIONS=""
-      before_install:
-        - brew link --force qt5;
-        - export CMAKE_PREFIX_PATH=$(brew --prefix qt5)/lib/cmake;
-    - os: linux
-      language: python
-      name: "Python 3.6 module compilation"
-      python: 3.6
-      env: SWIG=ON
-      before_script:
-        - wget https://github.com/swig/swig/archive/rel-3.0.12.tar.gz
-        - tar xzf rel-3.0.12.tar.gz && cd swig-rel-3.0.12
-        - ./autogen.sh
-        - ./configure --prefix=${HOME}/swig/
-        - make -j 2
-        - make install
-        - export PATH=${HOME}/swig/bin:$PATH
-        - swig -version
-        - python --version
-      script:
-        - cd $TRAVIS_BUILD_DIR/src/python && python setup.py build_ext --inplace
-        - cd $TRAVIS_BUILD_DIR/examples/python && python bitmap_operation.py
-    - os: linux
-      name: "Static analysis"
-      env: STATIC_ANALYSIS=ON
-      before_install:
-        - |
-          if [[ "$TRAVIS_PULL_REQUEST" != "false" ]]; then
-            curl -L http://llvm.org/svn/llvm-project/cfe/trunk/tools/clang-format/clang-format-diff.py -o $TRAVIS_BUILD_DIR/script/clang-format-diff.py;
-          fi
-      script:
-        - export EXCLUDE_PATTERN_1=" not found in expected header ";
-        - export EXCLUDE_PATTERN_2=" not found in any directly \#included header";
-        - git clone --depth 50 https://github.com/myint/cppclean;
-        - ./cppclean/cppclean src test examples | grep -v "$EXCLUDE_PATTERN_1" | grep -v "$EXCLUDE_PATTERN_2"
-        - cd ${TRAVIS_BUILD_DIR}
-        - |
-          if [[ "$TRAVIS_PULL_REQUEST" != "false" ]]; then
-            echo "Checking clang-format between TRAVIS_BRANCH=$TRAVIS_BRANCH and TRAVIS_PULL_REQUEST_BRANCH=$TRAVIS_PULL_REQUEST_BRANCH"
-            bash $TRAVIS_BUILD_DIR/script/check_code_format.sh
-          else
-            echo "Skipping clang-format check since this is not a pull request."
-          fi
-    - os: linux
-      name: "Dynamic analysis"
-      env: DYNAMIC_ANALYSIS=ON PENGUINV_UNIT_TEST_RUN_COUNT=10 CMAKE_OPTIONS="-DCMAKE_BUILD_TYPE=Debug"
-      after_script:
-        - source ${TRAVIS_BUILD_DIR}/script/travis/display_log_files.sh ${TRAVIS_BUILD_DIR}/build/Testing/Temporary
-      addons:
-        apt:
-          update: true
-          packages: valgrind
-    - os: windows
-      name: "Windows (x86) with VS2015"
-      env:
-        - TARGET="Visual Studio 14 2015"
-        - BUILD_TYPE="Release"
-      before_install: if [[ "$TRAVIS_EVENT_TYPE" == "cron" ]]; then choco install -y vcbuildtools --version 2015.4 --force; fi
-    - os: windows
-      name: "Windows (x64) with VS2015"
-      language: bash
-      env:
-        - TARGET="Visual Studio 14 2015 Win64"
-        - BUILD_TYPE="Release"
-      before_install: if [[ "$TRAVIS_EVENT_TYPE" == "cron" ]]; then choco install -y vcbuildtools --version 2015.4 --force; fi
-
-before_script:
-  # Let CMake generate build files
-  - |
-    if [[ "$TRAVIS_EVENT_TYPE" == "cron" && "$DYNAMIC_ANALYSIS" != "ON" ]]; then
-      export PENGUINV_UNIT_TEST_RUN_COUNT=1000
-    fi
-    if [[ "$STATIC_ANALYSIS" != "ON" ]]; then
-      mkdir -p build && cd build
-      if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
-        if [[ "$TRAVIS_EVENT_TYPE" == "cron" ]]; then
-          cmake -G "$TARGET" ..;
-        fi
-      else
-        cmake .. ${CMAKE_OPTIONS}
-      fi
-    fi
-
-script:
-  - |
-    # Build and run tests
-    if [[ "$TRAVIS_EVENT_TYPE" == "cron" || "$TRAVIS_OS_NAME" != "windows" ]]; then
-      set -e
-      if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
-        cmake --build . --config $BUILD_TYPE # --config is ignored on Linux/MacOS
-      else
-        cmake --build . -- -j 2
-      fi
-      set +e
-      if [[ "$DYNAMIC_ANALYSIS" == "ON" ]]; then
-        ctest --overwrite MemoryCheckCommandOptions="--show-reachable=no" \
-              -R unit_test --extra-verbose \
-              -T MemCheck # execute unit_test only
-      else
-        if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
-          ctest -C $BUILD_TYPE -E 'perf_test' --extra-verbose # execute unit_test and unit_test_opencl
-        else
-          ctest -E 'perf_test' --extra-verbose # execute unit_test and unit_test_opencl
-        fi
-      fi
-    fi
diff --git a/README.md b/README.md
index a2cd41550..9b3cadebf 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,7 @@ The trick behind the code is that you have a **single interface** for CPU as wel
 
 Contribution
 ---------------------------
-[![Actions Status](https://github.com/ihhub/penguinv/workflows/GitHub%20Actions/badge.svg)](https://github.com/ihhub/penguinv/actions) [![Total alerts](https://img.shields.io/lgtm/alerts/g/ihhub/penguinV.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/ihhub/penguinV/alerts/)
+[![Actions Status](https://github.com/ihhub/penguinv/workflows/GitHub%20Actions/badge.svg)](https://github.com/ihhub/penguinv/actions)
 
 We welcome and appreciate any help, even if it's a tiny text or code change.
 Please read [contribution](https://github.com/ihhub/penguinV/blob/master/CONTRIBUTING.md) page before starting work on a pull request.
diff --git a/script/appveyor/cuda_install.cmd b/script/appveyor/cuda_install.cmd
deleted file mode 100644
index 2bcb262c1..000000000
--- a/script/appveyor/cuda_install.cmd
+++ /dev/null
@@ -1,18 +0,0 @@
-@echo off
-echo Downloading CUDA toolkit 8
-appveyor DownloadFile  https://developer.nvidia.com/compute/cuda/8.0/prod/local_installers/cuda_8.0.44_windows-exe -FileName cuda_8.0.44_windows.exe
-echo Installing CUDA toolkit 8
-cuda_8.0.44_windows.exe -s compiler_8.0 ^
-                           cublas_dev_8.0 ^
-                           cudart_8.0 ^
-                           curand_dev_8.0 ^
-                           cufft_dev_8.0
-
-if NOT EXIST "%ProgramFiles%\NVIDIA GPU Computing Toolkit\CUDA\v8.0\bin\cudart64_80.dll" ( 
-echo "Failed to install CUDA"
-exit /B 1
-)
-
-set CUDA_DIR=%ProgramFiles%\NVIDIA GPU Computing Toolkit\CUDA\v8.0
-set PATH=%CUDA_DIR%\bin;%CUDA_DIR%\libnvvp;C:\Program Files (x86)\Microsoft Visual Studio 12.0\VC\bin;%PATH%
-nvcc -V
diff --git a/script/travis/display_log_files.sh b/script/travis/display_log_files.sh
deleted file mode 100755
index 78742882f..000000000
--- a/script/travis/display_log_files.sh
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/bin/bash
-
-# Display the content of all log files in a folder
-
-if [ $# -lt 1 ]
-then
-    echo "Please provide a folder from which all the log files will be displayed";
-    exit 1;
-fi
-	
-log_folder=$1
-log_files=`ls $log_folder/*.log 2> /dev/null`
-
-if [ -z "${log_files}" ]
-then
-    echo "No log files to display in folder $log_folder"
-else
-    echo "Displaying content of log files in folder $log_folder"
-    for log_file in $log_files
-    do
-        echo File: "${log_file##*/}";
-        cat $log_file;
-        echo;
-    done
-fi
diff --git a/script/travis/install_cuda.sh b/script/travis/install_cuda.sh
deleted file mode 100644
index 1968431ed..000000000
--- a/script/travis/install_cuda.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/bash
-#
-# Install the core CUDA toolkit for a ubuntu-trusty (14.04) system. Requires the
-# CUDA environment variable to be set to the required version.
-#
-# Since this script updates environment variables, to execute correctly you must
-# 'source' this script, rather than executing it in a sub-process.
-#
-
-travis_retry wget https://developer.download.nvidia.com/compute/cuda/repos/ubuntu1404/x86_64/cuda-repo-ubuntu1404_${CUDA}_amd64.deb
-travis_retry sudo dpkg -i cuda-repo-ubuntu1404_${CUDA}_amd64.deb
-travis_retry sudo apt-get update -qq
-export CUDA_APT=${CUDA:0:3}
-export CUDA_APT=${CUDA_APT/./-}
-travis_retry sudo apt-get install -y cuda-drivers cuda-core-${CUDA_APT} cuda-cufft-dev-${CUDA_APT} cuda-cudart-dev-${CUDA_APT}
-travis_retry sudo apt-get clean
-export CUDA_HOME=/usr/local/cuda-${CUDA:0:3}
-export LD_LIBRARY_PATH=${CUDA_HOME}/nvvm/lib64:${LD_LIBRARY_PATH}
-export LD_LIBRARY_PATH=${CUDA_HOME}/lib64:${LD_LIBRARY_PATH}
-export CPLUS_INCLUDE_PATH=${CUDA_HOME}/include:${CPLUS_INCLUDE_PATH}
-export C_INCLUDE_PATH=${CUDA_HOME}/include:${C_INCLUDE_PATH}
-export PATH=${CUDA_HOME}/bin:${PATH}
-
diff --git a/script/travis/install_qt5.sh b/script/travis/install_qt5.sh
deleted file mode 100644
index 23c813976..000000000
--- a/script/travis/install_qt5.sh
+++ /dev/null
@@ -1,15 +0,0 @@
-#!/bin/bash
-
-if [[ $QT_BASE ]]; then
-    if [ "$TRAVIS_OS_NAME" = "linux" ]; then
-        sudo apt-get update -qq;
-        sudo apt-get install qt59base -y;
-        source /opt/qt59/bin/qt59-env.sh;
-        export CMAKE_PREFIX_PATH=/opt/qt59/lib/cmake;
-    else
-        brew update;
-        brew install qt5;
-        brew link --force qt5;
-        export CMAKE_PREFIX_PATH=$(brew --prefix qt5)/lib/cmake;
-    fi
-fi