diff --git a/bin/guess b/bin/guess
index 19b011d8c..1dd345ee1 100755
--- a/bin/guess
+++ b/bin/guess
@@ -24,8 +24,6 @@ _guess_platform()
     default_platform=queenbeeC
   elif [ 1 -eq $(echo $HOSTNAME | grep -c smic) ]; then
     default_platform=supermic
-  elif [ 1 -eq $(echo $HOSTNAME | grep -c ls5) ]; then
-    default_platform=lonestar5
   elif [ 1 -eq $(echo $HOSTNAME | grep -c frontera) ]; then
     default_platform=frontera
   elif [ 1 -eq $(echo $HOSTNAME | grep -c soldier) ]; then
diff --git a/init-asgs.sh b/init-asgs.sh
index 8cd2f9cbd..0b3b0d89c 100755
--- a/init-asgs.sh
+++ b/init-asgs.sh
@@ -90,7 +90,6 @@ if [ -z "$BATCH" ]; then
   echo "queenbee       - Queenbee (LONI)"     # qb2
   echo "queenbeeC      - QueenbeeC (LONI)"    # qbC
   echo "supermic       - SuperMIC (LSU HPC)"  # smic
-  echo "lonestar5      - Lonestar (TACC)"     # ls5
   echo "frontera       - Frontera (TACC)"     # frontera
 fi
 
diff --git a/platforms/chpc/README b/platforms/chpc/README
deleted file mode 100644
index b6e2870ff..000000000
--- a/platforms/chpc/README
+++ /dev/null
@@ -1,52 +0,0 @@
-# Pre-requirements
-
-Before starting, please add the following to your ~/.bashrc
-and logout, then log back in:
-
-  # begin
-  module load mpi/openmpi/gcc/4.1.1   # for anyone using ASGS
-  export WORK=/twater/YOUR-WORKDIR    # user specific
-  export SCRATCH=/twater/YOUR-WORKDIR # user specific
-  # end
-
-If you are running into issues with this, please feel free
-to contact us at the github site.
-
-## Scope of Support
-
-Support for this platform extends to providing an environment for
-building and running ADCIRC.
-
-Forecasting support via asgs_main.sh has not yet been thoroughly
-tested.
-
-Please contact Jason Fleming <jason.fleming@stormsurge.live> for
-more information or support requests.
-
-# Quick Start
-
-## ADCIRC Only
-
-./init-asgs.sh -b -x "--run-steps openmpi,hdf5,netcdf4"
-
-## Full Monty
-
-./init-asgs.sh -b
-
-# Installing ADCIRC
-
-Step 1: Start the ADCIRC Virtual Environment (aka, ASGS Shell Environment)
-
-Step 2: Run ADCIRC Build Wizard
-
-[ASGS (master)] chpc@default-asgs-daily> build adcirc
-
-Step 3: Follow Wizard
-
-# Getting Support
-
-Visit https://github.com/StormSurgeLive/asgs/discussions
-
-# Making a Feature Request or Filing a Bug
-
-Visit https://github.com/StormSurgeLive/asgs/issues
diff --git a/platforms/chpc/about.txt b/platforms/chpc/about.txt
deleted file mode 100644
index 63462b452..000000000
--- a/platforms/chpc/about.txt
+++ /dev/null
@@ -1 +0,0 @@
-CHPC cluster at the University of Alabama
diff --git a/platforms/chpc/init.sh b/platforms/chpc/init.sh
deleted file mode 100644
index a6af2924c..000000000
--- a/platforms/chpc/init.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/usr/bin/env bash
-
-# Needed for ./init-asgs.sh, bin/guess
-export PPN=64
-export WORK=${WORK:-/twater/$USER}
-export SCRATCH=${SCRATCH:-/twater/$USER}
-export DEFAULT_COMPILER=gfortran
-export HPCENV=chpc.ua.edu
-export HPCENVSHORT=chpc
-export QUEUESYS=SLURM
-export QCHECKCMD=squeue
-export SUBMITSTRING=sbatch
-export JOBLAUNCHER='srun '
-export QSCRIPTTEMPLATE="${SCRIPTDIR}/qscript.template"
-export QSCRIPTGEN=qscript.pl
-export ARCHIVE=enstorm_pedir_removal.sh
-export ARCHIVEBASE=$SCRATCH
-export ARCHIVEDIR=$SCRATCH
-export OPENDAPPOST=opendap_post2.sh
-export TDS=()
-export MAKEJOBS=2
diff --git a/platforms/hatteras/about.txt b/platforms/hatteras/about.txt
deleted file mode 100644
index 3ec08d121..000000000
--- a/platforms/hatteras/about.txt
+++ /dev/null
@@ -1 +0,0 @@
-Hatteras located at RENCI
diff --git a/platforms/hatteras/init.sh b/platforms/hatteras/init.sh
deleted file mode 100644
index 1c05b123c..000000000
--- a/platforms/hatteras/init.sh
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/usr/bin/env bash
-
-# Needed for ./init-asgs.sh, bin/guess
-export PPN=null
-export HPCENV=hatteras.renci.org
-export HPCENVSHORT=hatteras
-export QUEUESYS=SLURM
-export QUEUENAME=batch
-export SERQUEUE=batch
-export QSUMMARYCMD=null
-export QUOTACHECKCMD="df -h /projects/ncfs"
-export ALLOCCHECKCMD=null
-export QSCRIPTTEMPLATE="${SCRIPTDIR}/qscript.template"
-export QSCRIPTGEN=qscript.pl
-export OPENDAPPOST=opendap_post2.sh
-export DEFAULT_COMPILER=intel
-export WORK=${WORK:-/projects/ncfs/$USER}
-export SCRATCH=${SCRATCH:-/projects/ncfs/data}
-export ASGS_TMPDIR=${ASGS_HOME}/tmp
-export CONSTRAINT=null
-export RESERVATION=null
-export PARTITION=null
-export WALLTIMEFORMAT="minutes"
-export QCHECKCMD=sacct
-export JOBLAUNCHER='srun '
-export ACCOUNT=null
-export SUBMITSTRING=sbatch
-export SSHKEY=id_rsa_lonestar5
-export OPENDAPPOST=opendap_post.sh #<~ $SCRIPTDIR/output/ assumed
-export UMASK=006
-export ARCHIVE=enstorm_pedir_removal.sh
-export ARCHIVEBASE=$SCRATCH
-export ARCHIVEDIR=$SCRATCH
-export TDS=(renci_tds)
-export MAKEJOBS=8
-export MATLABEXE=script # "script" means just execute matlab (don't use mex files)
-module load icc/2022.0.2  mvapich2/2.3.7-intel