diff --git a/definition-files/hpl/Singularity.hpl-2.3-ubuntu-18.04-openmpi-4.0.4-openblas-0.3.14 b/definition-files/hpl/Singularity.hpl-2.3-ubuntu-18.04-openmpi-4.0.4-openblas-0.3.14
deleted file mode 100644
index e38e5709b16650e6ef8b3881de54a96e92f1174d..0000000000000000000000000000000000000000
--- a/definition-files/hpl/Singularity.hpl-2.3-ubuntu-18.04-openmpi-4.0.4-openblas-0.3.14
+++ /dev/null
@@ -1,161 +0,0 @@
-Bootstrap: shub
-From: mkandes/naked-singularity:ubuntu-18.04-openmpi-4.0.4
-
-%labels
-
-    APPLICATION_NAME High-Performance Linpack (HPL)
-    APPLICATION_VERSION 2.3
-    APPLICATION_URL https://www.netlib.org/benchmark/hpl
-
-    AUTHOR_NAME Marty Kandes
-    AUTHOR_EMAIL mkandes@sdsc.edu
-
-    LAST_UPDATED 20210318
-
-%setup
-
-%environment
-
-    # Set OpenBLAS version number, target architecture, maximum number
-    # of threads, root and installation directories
-    export OPENBLAS_REPO_URL='https://github.com/xianyi/OpenBLAS.git'
-    export OPENBLAS_VERSION='0.3.14'
-    export OPENBLAS_ROOT_DIR='/opt/openblas'
-    export OPENBLAS_INSTALL_DIR="${OPENBLAS_ROOT_DIR}/${OPENBLAS_VERSION}"
-    export OPENBLAS_USE_OPENMP=1
-    export OPENBLAS_DYNAMIC_ARCH=1
-    export OPENBLAS_TARGET_ARCH='HASWELL'
-    export OPENBLAS_MAX_NUM_THREADS=256
-
-    # Set path to OpenBLAS libraries
-    export LD_LIBRARY_PATH="${OPENBLAS_INSTALL_DIR}/lib:${LD_LIBRARY_PATH}"
-
-    # Set HPL version number, target architecture, root and installation
-    # directories
-    export HPL_ROOT_URL='http://www.netlib.org/benchmark/hpl'
-    export HPL_VERSION='2.3'
-    export HPL_ARCH='linux64'
-    export HPL_ROOT_DIR='/opt/hpl'
-    export HPL_INSTALL_DIR="${HPL_ROOT_DIR}/${HPL_VERSION}"
-
-    # Set path to HPL binary
-    export PATH="${HPL_INSTALL_DIR}/bin:${PATH}"
-
-%post -c /bin/bash
-
-    # Set operating system mirror URL
-    export MIRRORURL='http://us.archive.ubuntu.com/ubuntu'
-
-    # Set operating system version
-    export OSVERSION='bionic'
-
-    # Set system locale
-    export LC_ALL='C'
-
-    # Set debian frontend interface
-    export DEBIAN_FRONTEND='noninteractive'
-
-    # Set Mellanox OFED version, operating system, and hardware platform
-    export MLNX_ROOT_URL='http://www.mellanox.com/downloads/ofed'
-    export MLNX_OFED_VERSION='4.7-3.2.9.0'
-    export MLNX_OS_VERSION='ubuntu18.04'
-    export MLNX_PLATFORM='x86_64'
-
-    # Set OpenMPI major, minor, and revision numbers, root and
-    # installation directories
-    export OMPI_ROOT_URL='https://download.open-mpi.org/release/open-mpi'
-    export OMPI_MAJOR='4'
-    export OMPI_MINOR='0'
-    export OMPI_REVISION='4'
-    export OMPI_VERSION="${OMPI_MAJOR}.${OMPI_MINOR}.${OMPI_REVISION}"
-    export OMPI_ROOT_DIR='/opt/openmpi'
-    export OMPI_INSTALL_DIR="${OMPI_ROOT_DIR}/${OMPI_VERSION}"
-
-    # Set paths to OpenMPI binaries and libraries
-    export PATH="${OMPI_INSTALL_DIR}/bin:${PATH}"
-    export LD_LIBRARY_PATH="${OMPI_INSTALL_DIR}/lib:${LD_LIBRARY_PATH}"
-
-    # Upgrade all software packages to their latest versions
-    apt-get -y update && apt-get -y upgrade
-
-    cd /tmp
-
-    # Set OpenBLAS version number, target architecture, maximum number 
-    # of threads, root and installation directories
-    export OPENBLAS_REPO_URL='https://github.com/xianyi/OpenBLAS.git'
-    export OPENBLAS_VERSION='0.3.14'
-    export OPENBLAS_ROOT_DIR='/opt/openblas'
-    export OPENBLAS_INSTALL_DIR="${OPENBLAS_ROOT_DIR}/${OPENBLAS_VERSION}"
-    export OPENBLAS_USE_OPENMP=1
-    export OPENBLAS_DYNAMIC_ARCH=1
-    export OPENBLAS_TARGET_ARCH='HASWELL'
-    export OPENBLAS_MAX_NUM_THREADS=256
-
-    # Download, build, and install OpenBLAS
-    git clone "${OPENBLAS_REPO_URL}"
-    cd OpenBLAS
-    git checkout "v${OPENBLAS_VERSION}"
-    if (( "${OPENBLAS_DYNAMIC_ARCH}" == 1 )); then
-      make FC='gfortran' BINARY=64 USE_OPENMP="${OPENBLAS_USE_OPENMP}" DYNAMIC_ARCH=1 NUM_THREADS="${OPENBLAS_MAX_NUM_THREADS}"
-    else
-      make FC='gfortran' BINARY=64 USE_OPENMP="${OPENBLAS_USE_OPENMP}" TARGET="${OPENBLAS_TARGET_ARCH}" NUM_THREADS="${OPENBLAS_MAX_NUM_THREADS}"
-    fi
-    make PREFIX="${OPENBLAS_INSTALL_DIR}" install
-
-    # Set path to OpenBLAS libraries
-    export LD_LIBRARY_PATH="${OPENBLAS_INSTALL_DIR}/lib:${LD_LIBRARY_PATH}"
-
-    cd /tmp
-
-    # Remove OpenBLAS build directory
-    rm -rf OpenBLAS
-
-    # Set HPL version number, target architecture, root and installation
-    # directories
-    export HPL_ROOT_URL='http://www.netlib.org/benchmark/hpl'
-    export HPL_VERSION='2.3'
-    export HPL_ARCH='linux64'
-    export HPL_ROOT_DIR='/opt/hpl'
-    export HPL_INSTALL_DIR="${HPL_ROOT_DIR}/${HPL_VERSION}"
-
-    # Download, build, and install HPL
-    wget "${HPL_ROOT_URL}/hpl-${HPL_VERSION}.tar.gz"
-    tar -xf "hpl-${HPL_VERSION}.tar.gz" 
-    cd "hpl-${HPL_VERSION}/setup"
-    source make_generic
-    mv Make.UNKNOWN Make.linux64
-    sed -i 's/ARCH         = UNKNOWN/ARCH         = linux64/' Make.linux64
-    sed -i 's/TOPdir       = $(HOME)\/hpl/TOPdir       =/' Make.linux64
-    sed -i "s/TOPdir       =/TOPdir       = \/opt\/hpl\/${HPL_VERSION}/" Make.linux64
-    sed -i 's/MPdir        = /MPdir        = \/opt\/openmpi/4.0.4/' Make.linux64
-    sed -i 's/MPinc        = /MPinc        = -I$(MPdir)\/include/' Make.linux64
-    sed -i 's/MPlib        = /MPlib        = $(MPdir)\/lib\/libmpi.so/' Make.linux64
-    sed -i "s/LAdir        = /LAdir        = \/opt\/openblas\/${OPENBLAS_VERSION}/" Make.linux64
-    sed -i 's/LAinc        = /LAinc        = -I$(LAdir)\/include/' Make.linux64
-    sed -i 's/LAlib        = -lblas/LAlib        = $(LAdir)\/lib\/libopenblas.a/' Make.linux64
-    sed -i 's/LINKER       = mpif77/LINKER       = mpicc/' Make.linux64
-    cp Make.linux64 ../
-    cd ../
-    export LDFLAGS="-L${OPENBLAS_INSTALL_DIR}/lib"
-    ./configure --prefix="${HPL_INSTALL_DIR}"
-    make arch='linux64'
-    make install
-
-    cd /tmp
-
-    # Remove HPL build directory and source tarball
-    rm -rf "hpl-${HPL_VERSION}"
-    rm "hpl-${HPL_VERSION}.tar.gz"
-
-    # Cleanup
-    apt-get -y autoremove --purge
-    apt-get -y clean
-
-    # Update database for mlocate
-    updatedb
-
-%files
-
-%runscript
-
-%test
diff --git a/definition-files/omb/Singularity.omb-5.7-ubuntu-18.04-openmpi-4.0.4 b/definition-files/omb/Singularity.omb-5.7-ubuntu-18.04-openmpi-4.0.4
deleted file mode 100644
index 20a48a2020e6e13de4b2d45156984e66d9e31ed6..0000000000000000000000000000000000000000
--- a/definition-files/omb/Singularity.omb-5.7-ubuntu-18.04-openmpi-4.0.4
+++ /dev/null
@@ -1,115 +0,0 @@
-Bootstrap: shub
-From: mkandes/naked-singularity:ubuntu-18.04-openmpi-4.0.4
-
-%labels
-
-    APPLICATION_NAME OSU Micro-Benchmarks
-    APPLICATION_VERSION 5.7
-    APPLICATION_URL http://mvapich.cse.ohio-state.edu/benchmarks
-
-    AUTHOR_NAME Marty Kandes
-    AUTHOR_EMAIL mkandes@sdsc.edu
-
-    LAST_UPDATED 20210305
-
-%setup
-
-%environment
-
-    # Set OMB major and minor version numbers, root and
-    # installation directories
-    export OMB_ROOT_URL='http://mvapich.cse.ohio-state.edu/download/mvapich'
-    export OMB_MAJOR='5'
-    export OMB_MINOR='7'
-    export OMB_VERSION="${OMB_MAJOR}.${OMB_MINOR}"
-    export OMB_ROOT_DIR='/opt/omb'
-    export OMB_INSTALL_DIR="${OMB_ROOT_DIR}/${OMB_VERSION}"
-
-    # Set paths to OSU Microbenchmarks binaries
-    export PATH="${OMB_INSTALL_DIR}/collective:${PATH}"
-    export PATH="${OMB_INSTALL_DIR}/one-sided:${PATH}"
-    export PATH="${OMB_INSTALL_DIR}/pt2pt:${PATH}"
-    export PATH="${OMB_INSTALL_DIR}/startup:${PATH}"
-
-%post -c /bin/bash
-
-    # Set operating system mirror URL
-    export MIRRORURL='http://us.archive.ubuntu.com/ubuntu'
-
-    # Set operating system version
-    export OSVERSION='bionic'
-
-    # Set system locale
-    export LC_ALL='C'
-
-    # Set debian frontend interface
-    export DEBIAN_FRONTEND='noninteractive'
-
-    # Set Mellanox OFED version, operating system, and hardware platform
-    export MLNX_ROOT_URL='http://www.mellanox.com/downloads/ofed'
-    export MLNX_OFED_VERSION='4.7-3.2.9.0'
-    export MLNX_OS_VERSION='ubuntu18.04'
-    export MLNX_PLATFORM='x86_64'
-
-    # Set OpenMPI major, minor, and revision numbers, root and
-    # installation directories
-    export OMPI_ROOT_URL='https://download.open-mpi.org/release/open-mpi'
-    export OMPI_MAJOR='4'
-    export OMPI_MINOR='0'
-    export OMPI_REVISION='4'
-    export OMPI_VERSION="${OMPI_MAJOR}.${OMPI_MINOR}.${OMPI_REVISION}"
-    export OMPI_ROOT_DIR='/opt/openmpi'
-    export OMPI_INSTALL_DIR="${OMPI_ROOT_DIR}/${OMPI_VERSION}"
-
-    # Set paths to OpenMPI binaries and libraries
-    export PATH="${OMPI_INSTALL_DIR}/bin:${PATH}"
-    export LD_LIBRARY_PATH="${OMPI_INSTALL_DIR}/lib:${LD_LIBRARY_PATH}"
-
-    # Upgrade all software packages to their latest versions
-    apt-get -y update && apt-get -y upgrade
-
-    cd /tmp
-
-    # Set OMB major and minor version numbers, root and
-    # installation directories
-    export OMB_ROOT_URL='http://mvapich.cse.ohio-state.edu/download/mvapich'
-    export OMB_MAJOR='5'
-    export OMB_MINOR='7'
-    export OMB_VERSION="${OMB_MAJOR}.${OMB_MINOR}"
-    export OMB_ROOT_DIR='/opt/omb'
-    export OMB_INSTALL_DIR="${OMB_ROOT_DIR}/${OMB_VERSION}"
-
-    # Download, build, and install OSU Microbenchmarks
-    wget "${OMB_ROOT_URL}/osu-micro-benchmarks-${OMB_VERSION}.tar.gz"
-    tar -xf "osu-micro-benchmarks-${OMB_VERSION}.tar.gz"
-    cd "osu-micro-benchmarks-${OMB_VERSION}"
-    ./configure --prefix="${OMB_INSTALL_DIR}" CC='mpicc' CXX='mpicxx'
-    make
-    make install
-
-    # Reorganize OSU Microbenchmarks directory structure
-    cd "${OMB_INSTALL_DIR}"
-    mv libexec/osu-micro-benchmarks/mpi/collective ./
-    mv libexec/osu-micro-benchmarks/mpi/one-sided ./
-    mv libexec/osu-micro-benchmarks/mpi/pt2pt ./
-    mv libexec/osu-micro-benchmarks/mpi/startup ./
-    rm -rf libexec
-
-    cd /tmp
-
-    # Remove OMB build directory and source tarball
-    rm -rf "osu-micro-benchmarks-${OMB_VERSION}"
-    rm "osu-micro-benchmarks-${OMB_VERSION}.tar.gz"
-
-    # Cleanup
-    apt-get -y autoremove --purge
-    apt-get -y clean
-
-    # Update database for mlocate
-    updatedb
-
-%files
-
-%runscript
-
-%test
diff --git a/definition-files/ubuntu/Singularity.ubuntu-18.04-openmpi-4.0.4 b/definition-files/ubuntu/Singularity.ubuntu-18.04-openmpi-4.0.4
deleted file mode 100644
index c9af1e1afc9f1efef5e02081f98bce2bce13e7dd..0000000000000000000000000000000000000000
--- a/definition-files/ubuntu/Singularity.ubuntu-18.04-openmpi-4.0.4
+++ /dev/null
@@ -1,134 +0,0 @@
-Bootstrap: shub
-From: mkandes/naked-singularity:ubuntu-18.04
-
-%labels
-
-    APPLICATION_NAME ubuntu + openmpi
-    APPLICATION_VERSION 18.04 + 4.0.4
-    APPLICATION_URL https://www.open-mpi.org
-
-    AUTHOR_NAME Marty Kandes
-    AUTHOR_EMAIL mkandes@sdsc.edu
-
-    LAST_UPDATED 20210223
-
-%setup
-
-%environment
-
-    # Set Mellanox OFED version, operating system, and hardware platform
-    export MLNX_ROOT_URL='http://www.mellanox.com/downloads/ofed'
-    export MLNX_OFED_VERSION='4.7-3.2.9.0'
-    export MLNX_OS_VERSION='ubuntu18.04'
-    export MLNX_PLATFORM='x86_64'
-
-    # Set OpenMPI major, minor, and revision numbers, root and
-    # installation directories
-    export OMPI_ROOT_URL='https://download.open-mpi.org/release/open-mpi'
-    export OMPI_MAJOR='4'
-    export OMPI_MINOR='0'
-    export OMPI_REVISION='4'
-    export OMPI_VERSION="${OMPI_MAJOR}.${OMPI_MINOR}.${OMPI_REVISION}"
-    export OMPI_ROOT_DIR='/opt/openmpi'
-    export OMPI_INSTALL_DIR="${OMPI_ROOT_DIR}/${OMPI_VERSION}"
-
-    # Set paths to OpenMPI binaries and libraries
-    export PATH="${OMPI_INSTALL_DIR}/bin:${PATH}"
-    export LD_LIBRARY_PATH="${OMPI_INSTALL_DIR}/lib:${LD_LIBRARY_PATH}"
-
-%post -c /bin/bash
-
-    # Set operating system mirror URL
-    export MIRRORURL='http://us.archive.ubuntu.com/ubuntu'
-
-    # Set operating system version
-    export OSVERSION='bionic'
-
-    # Set system locale
-    export LC_ALL='C'
-
-    # Set debian frontend interface
-    export DEBIAN_FRONTEND='noninteractive'
-
-    # Upgrade all software packages to their latest versions
-    apt-get -y update && apt-get -y upgrade
-
-    # Install all dependencies and/or prerequisites for Mellanox OFED
-    apt-get -y install bison
-    apt-get -y install chrpath
-    apt-get -y install debhelper
-    apt-get -y install dpatch
-    apt-get -y install flex
-    apt-get -y install graphviz
-    apt-get -y install libnl-3-dev
-    apt-get -y install libnl-route-3-200
-    apt-get -y install tcl-dev
-    apt-get -y install tk-dev
-    apt-get -y install swig
-
-    cd /tmp
-
-    # Set Mellanox OFED version, operating system, and hardware platform
-    export MLNX_ROOT_URL='http://www.mellanox.com/downloads/ofed'
-    export MLNX_OFED_VERSION='4.7-3.2.9.0'
-    export MLNX_OS_VERSION='ubuntu18.04'
-    export MLNX_PLATFORM='x86_64'
-
-    # Download and install Mellanox OFED drivers and supporting
-    # libraries for userspace access to Ethernet, RDMA, and Infiniband. 
-    # https://docs.mellanox.com/pages/releaseview.action?pageId=15049785
-    wget "${MLNX_ROOT_URL}/MLNX_OFED-${MLNX_OFED_VERSION}/MLNX_OFED_LINUX-${MLNX_OFED_VERSION}-${MLNX_OS_VERSION}-${MLNX_PLATFORM}.tgz"
-    tar -xf "MLNX_OFED_LINUX-${MLNX_OFED_VERSION}-${MLNX_OS_VERSION}-${MLNX_PLATFORM}.tgz"
-    cd "MLNX_OFED_LINUX-${MLNX_OFED_VERSION}-${MLNX_OS_VERSION}-${MLNX_PLATFORM}"
-    ./mlnxofedinstall --user-space-only --without-fw-update --force
-
-    cd /tmp
-
-    # Remove Mellanox OFED archive directory and tarball
-    rm -rf "MLNX_OFED_LINUX-${MLNX_OFED_VERSION}-${MLNX_OS_VERSION}-${MLNX_PLATFORM}"
-    rm "MLNX_OFED_LINUX-${MLNX_OFED_VERSION}-${MLNX_OS_VERSION}-${MLNX_PLATFORM}.tgz"
-
-    # Install additional tools
-    apt-get -y install numactl
-    apt-get -y install libnuma-dev
-
-    # Install OpenMPI dependencies
-    apt-get -y install zlib1g-dev
-
-    cd /tmp
-
-    # Set OpenMPI major, minor, and revision numbers, root and
-    # installation directories
-    export OMPI_ROOT_URL='https://download.open-mpi.org/release/open-mpi'
-    export OMPI_MAJOR='4'
-    export OMPI_MINOR='0'
-    export OMPI_REVISION='4'
-    export OMPI_VERSION="${OMPI_MAJOR}.${OMPI_MINOR}.${OMPI_REVISION}"
-    export OMPI_ROOT_DIR='/opt/openmpi'
-    export OMPI_INSTALL_DIR="${OMPI_ROOT_DIR}/${OMPI_VERSION}"
-
-    # Download, build, and install OpenMPI
-    wget "${OMPI_ROOT_URL}/v${OMPI_MAJOR}.${OMPI_MINOR}/openmpi-${OMPI_VERSION}.tar.gz"
-    tar -xf "openmpi-${OMPI_VERSION}.tar.gz"
-    cd "openmpi-${OMPI_VERSION}"
-    ./configure --prefix="${OMPI_INSTALL_DIR}" --without-verbs
-    make all install
-
-    cd /tmp
-
-    # Remove OpenMPI build directory and source tarball
-    rm -rf "openmpi-${OMPI_VERSION}"
-    rm "openmpi-${OMPI_VERSION}.tar.gz"
-
-    # Cleanup
-    apt-get -y autoremove --purge
-    apt-get -y clean
-
-    # Update database for mlocate
-    updatedb
-
-%files
-
-%runscript
-
-%test