diff --git a/Externals.cfg b/Externals.cfg
index bf1e19230..cdc7aba41 100644
--- a/Externals.cfg
+++ b/Externals.cfg
@@ -10,8 +10,8 @@ required = True
 protocol = git
 repo_url = https://github.com/JeffBeck-NOAA/UFS_UTILS
 # Specify either a branch name or a hash but not both.
-branch = feature/regional_release
-#hash = 6c9db728
+#branch = feature/regional_release
+hash = e5419633
 local_path = src/UFS_UTILS
 required = True
 
diff --git a/src/build_UFS_UTILS.sh b/src/build_UFS_UTILS.sh
index 512f5bcff..05b526f85 100755
--- a/src/build_UFS_UTILS.sh
+++ b/src/build_UFS_UTILS.sh
@@ -1,8 +1,12 @@
 #!/bin/sh
 #==========================================================================
 #
-# Description: Builds chgres, chgres_cube, orog, fre-nctools, sfc_climo_gen,
-#              regional_grid, global_equiv_resol, and mosaic_file.
+# Description: 
+# Builds all codes in UFS_UTILS.  Note that this script does not copy 
+# over the executables it builds to the eventual destination directory 
+# at ufs-srweather-app/exec.  That step is performed in install_all.sh, 
+# and that script copies only a subset of the executables built by this 
+# one.
 #
 # Usage: ./build_UFS_UTILS.sh
 #
diff --git a/src/build_forecast.sh b/src/build_forecast.sh
index 7dac827e2..c7ff76139 100755
--- a/src/build_forecast.sh
+++ b/src/build_forecast.sh
@@ -47,16 +47,17 @@ fi
 # Build static executable using cmake for all valid suites in workflow
 # defined in regional_workflow/ush/valid_param_vals.sh
 #---------------------------------------------------------------------------------
-export CCPP_SUITES="\
-FV3_CPT_v0,\
-FV3_GFS_2017_gfdlmp,\
-FV3_GFS_2017_gfdlmp_regional,\
-FV3_GSD_SAR,\
-FV3_GSD_v0,\
-FV3_GFS_v15p2,\
-FV3_GFS_v16beta,\
-FV3_RRFS_v1beta\
-"
+
+# Read in the array of valid physics suite from the file in the workflow
+# that specifies valid values for various parameters.  In this case, it
+# is the valid values for CCPP_PHYS_SUITE.  Note that the result (stored
+# in CCPP_SUITES) is a string consisting of a comma-separated list of all
+# the valid (allowed) CCPP physics suites.
+CCPP_SUITES=$( 
+  . ../../regional_workflow/ush/valid_param_vals.sh 
+  printf "%s," "${valid_vals_CCPP_PHYS_SUITE[@]}"
+)
+export CCPP_SUITES="${CCPP_SUITES:0: -1}"  # Remove comma after last suite.
 
 ./build.sh || echo "FAIL:  build_forecast.sh failed, see ${cwd}/logs/build_forecast.log"
 
diff --git a/src/build_global_equiv_resol.sh b/src/build_global_equiv_resol.sh
deleted file mode 100755
index 37d393de6..000000000
--- a/src/build_global_equiv_resol.sh
+++ /dev/null
@@ -1,128 +0,0 @@
-#!/bin/sh
-set -eux
-#
-# Check for input argument: this should be the "platform" if it exists.
-#
-if [ $# -eq 0 ]; then
-  echo
-  echo "No 'platform' argument supplied"
-  echo "Using directory structure to determine machine settings"
-  platform=''
-else
-  platform=$1
-fi
-#
-source ./machine-setup.sh > /dev/null 2>&1
-if [ $platform = "wcoss_cray" ]; then
-  platform="cray"
-fi
-#
-# Set the name of the package.  This will also be the name of the execu-
-# table that will be built.
-#
-package_name="global_equiv_resol"
-#
-# Make an exec folder if it doesn't already exist.
-#
-exec_dir=`pwd`/../exec
-mkdir -p ${exec_dir}
-#
-# Change directory to where the source code is located.
-#
-srcDir=`pwd`/../regional_workflow/sorc/${package_name}.fd/
-cd ${srcDir}
-#
-# The build will be performed in a temporary directory.  If the build is
-# successful, the temporary directory will be removed.
-#
-tmpDir=`pwd`/build
-mkdir -p $tmpDir
-cd $tmpDir
-#
-# Load modules.
-#
-set +x
-module list
-#module use ../../../modulefiles/global_equiv_resol
-#module load ${package_name}.${target}
-module use ../../../modulefiles/codes/${target}
-module load ${package_name}
-module list
-set -x
-#
-MPICH_UNEX_BUFFER_SIZE=256m
-MPICH_MAX_SHORT_MSG_SIZE=64000
-MPICH_PTL_UNEX_EVENTS=160k
-KMP_STACKSIZE=2g
-F_UFMTENDIAN=big
-#
-# HDF5 and NetCDF directories.
-#
-if [ $platform = "cray" ]; then
-  HDF5=${HDF5_DIR}
-  NETCDF=${NETCDF_DIR}
-elif [ $platform = "theia" ]; then
-  HDF5_DIR=$HDF5
-  NETCDF_DIR=$NETCDF
-elif [ $platform = "hera" ]; then
-  HDF5_DIR=$HDF5
-  NETCDF_DIR=$NETCDF
-elif [ $platform = "cheyenne" ]; then
-  NETCDF_DIR=$NETCDF
-  HDF5_DIR=$NETCDF #HDF5 resides with NETCDF on Cheyenne
-  export HDF5=$NETCDF     #HDF5 used in Makefile_cheyenne
-elif [ $platform = "jet" ]; then
-  HDF5_DIR=$HDF5
-  NETCDF_DIR=$NETCDF
-elif [ $platform = "stampede" ]; then
-  HDF5_DIR=$TACC_HDF5_DIR
-  NETCDF_DIR=$TACC_NETCDF_DIR
-fi
-#
-# Create alias for "make".
-#
-if [ $platform = "cray" ]; then
-  alias make="make HDF5_HOME=${HDF5} NETCDF_HOME=${NETCDF} NC_BLKSZ=64K SITE=${platform}"
-else
-  alias make="make HDF5_HOME=${HDF5_DIR} NETCDF_HOME=${NETCDF_DIR} NC_BLKSZ=64K SITE=${platform}"
-fi
-
-set +x
-echo
-echo "////////////////////////////////////////////////////////////////////////////////"
-echo "Building package \"$package_name\" for platform \"$platform\" ..."
-echo "////////////////////////////////////////////////////////////////////////////////"
-echo
-set -x
-#
-# Copy all source code and the makefile to the temporary directory.
-# Then clean and build from scratch.
-#
-cp $srcDir/*.f90 $tmpDir
-cp $srcDir/Makefile_${platform} $tmpDir/Makefile
-make clean
-make
-#
-# Check if the executable was successfully built.  If so, move it to the
-# exec subdirectory under the home directory.  If not, exit with an er-
-# ror message.
-#
-target="${package_name}"
-if [ -f $target ]; then
-  mv $target $exec_dir
-else
-  echo "Error during '$target' build"
-  exit 1
-fi
-#
-# Remove the temporary build directory.
-#
-set +x
-echo
-echo "Removing temporary build directory ..."
-echo
-rm -fr $tmpDir
-
-echo "Done."
-
-exit
diff --git a/src/build_mosaic_file.sh b/src/build_mosaic_file.sh
deleted file mode 100755
index 98e108725..000000000
--- a/src/build_mosaic_file.sh
+++ /dev/null
@@ -1,128 +0,0 @@
-#!/bin/sh
-set -eux
-#
-# Check for input argument: this should be the "platform" if it exists.
-#
-if [ $# -eq 0 ]; then
-  echo
-  echo "No 'platform' argument supplied"
-  echo "Using directory structure to determine machine settings"
-  platform=''
-else
-  platform=$1
-fi
-#
-source ./machine-setup.sh > /dev/null 2>&1
-if [ $platform = "wcoss_cray" ]; then
-  platform="cray"
-fi
-#
-# Set the name of the package.  This will also be the name of the execu-
-# table that will be built.
-#
-package_name="mosaic_file"
-#
-# Make an exec folder if it doesn't already exist.
-#
-exec_dir=`pwd`/../exec
-mkdir -p ${exec_dir}
-#
-# Change directory to where the source code is located.
-#
-srcDir=`pwd`/../regional_workflow/sorc/${package_name}.fd/
-cd ${srcDir}
-#
-# The build will be performed in a temporary directory.  If the build is
-# successful, the temporary directory will be removed.
-#
-tmpDir=`pwd`/build
-mkdir -p $tmpDir
-cd $tmpDir
-#
-# Load modules.
-#
-set +x
-module list
-#module use ../../../modulefiles/build_mosaic
-#module load ${package_name}.${target}
-module use ../../../modulefiles/codes/${target}
-module load ${package_name}
-module list
-set -x
-#
-MPICH_UNEX_BUFFER_SIZE=256m
-MPICH_MAX_SHORT_MSG_SIZE=64000
-MPICH_PTL_UNEX_EVENTS=160k
-KMP_STACKSIZE=2g
-F_UFMTENDIAN=big
-#
-# HDF5 and NetCDF directories.
-#
-if [ $platform = "cray" ]; then
-  HDF5=${HDF5_DIR}
-  NETCDF=${NETCDF_DIR}
-elif [ $platform = "theia" ]; then
-  HDF5_DIR=$HDF5
-  NETCDF_DIR=$NETCDF
-elif [ $platform = "hera" ]; then
-  HDF5_DIR=$HDF5
-  NETCDF_DIR=$NETCDF
-elif [ $platform = "cheyenne" ]; then
-  NETCDF_DIR=$NETCDF
-  HDF5_DIR=$NETCDF #HDF5 resides with NETCDF on Cheyenne
-  export HDF5=$NETCDF     #HDF5 used in Makefile_cheyenne
-elif [ $platform = "jet" ]; then
-  HDF5_DIR=$HDF5
-  NETCDF_DIR=$NETCDF
-elif [ $platform = "stampede" ]; then
-  HDF5_DIR=$TACC_HDF5_DIR
-  NETCDF_DIR=$TACC_NETCDF_DIR
-fi
-#
-# Create alias for "make".
-#
-if [ $platform = "cray" ]; then
-  alias make="make HDF5_HOME=${HDF5} NETCDF_HOME=${NETCDF} NC_BLKSZ=64K SITE=${platform}"
-else
-  alias make="make HDF5_HOME=${HDF5_DIR} NETCDF_HOME=${NETCDF_DIR} NC_BLKSZ=64K SITE=${platform}"
-fi
-
-set +x
-echo
-echo "////////////////////////////////////////////////////////////////////////////////"
-echo "Building package \"$package_name\" for platform \"$platform\" ..."
-echo "////////////////////////////////////////////////////////////////////////////////"
-echo
-set -x
-#
-# Copy all source code and the makefile to the temporary directory.
-# Then clean and build from scratch.
-#
-cp $srcDir/*.f90 $tmpDir
-cp $srcDir/Makefile_${platform} $tmpDir/Makefile
-make clean
-make
-#
-# Check if the executable was successfully built.  If so, move it to the
-# exec subdirectory under the home directory.  If not, exit with an er-
-# ror message.
-#
-target="${package_name}"
-if [ -f $target ]; then
-  mv $target $exec_dir
-else
-  echo "Error during '$target' build"
-  exit 1
-fi
-#
-# Remove the temporary build directory.
-#
-set +x
-echo
-echo "Removing temporary build directory ..."
-echo
-rm -fr $tmpDir
-
-echo "Done."
-
-exit
diff --git a/src/install_all.sh b/src/install_all.sh
index c2763d73b..4d545c182 100755
--- a/src/install_all.sh
+++ b/src/install_all.sh
@@ -25,42 +25,26 @@ fi
 #------------------------------------
 # install post
 #------------------------------------
+$Build_post && {
  ${CP} EMC_post/exec/*                                 ../exec/ncep_post
+}
 
 #------------------------------------
-# install chgres
+# install needed utilities from UFS_UTILS.
 #------------------------------------
+$Build_UFS_UTILS && {
 # ${CP} regional_utils.fd/exec/global_chgres            ../exec/regional_chgres.x
-
-#------------------------------------
-# install chgres_cube
-#------------------------------------
  ${CP} UFS_UTILS/exec/chgres_cube                      ../exec/chgres_cube.exe
-
-#------------------------------------
-# install orog
-#------------------------------------
  ${CP} UFS_UTILS/exec/orog                             ../exec/orog.x
-
-#------------------------------------
-# install sfc_climo_gen
-#------------------------------------
  ${CP} UFS_UTILS/exec/sfc_climo_gen                    ../exec/sfc_climo_gen
-
-#------------------------------------
-# install regional_esg_grid
-#------------------------------------
- ${CP} UFS_UTILS/exec/regional_esg_grid                ../exec/regional_grid
-
-#------------------------------------
-# install other utilities
-#------------------------------------
+ ${CP} UFS_UTILS/exec/regional_esg_grid                ../exec/regional_esg_grid
  ${CP} UFS_UTILS/exec/make_hgrid                       ../exec/make_hgrid
  ${CP} UFS_UTILS/exec/make_solo_mosaic                 ../exec/make_solo_mosaic
  ${CP} UFS_UTILS/exec/fregrid                          ../exec/fregrid
  ${CP} UFS_UTILS/exec/filter_topo                      ../exec/filter_topo
  ${CP} UFS_UTILS/exec/shave                            ../exec/shave.x
  ${CP} UFS_UTILS/exec/global_equiv_resol               ../exec/global_equiv_resol
+}
 
 #------------------------------------
 # install gsi
diff --git a/src/partial_build.sh b/src/partial_build.sh
index 3579eee04..f26147e10 100755
--- a/src/partial_build.sh
+++ b/src/partial_build.sh
@@ -2,8 +2,7 @@
 # define the array of the name of build program
 #
  declare -a Build_prg=("Build_libs" "Build_forecast" "Build_gsi" \
-                       "Build_post" "Build_UFS_UTILS" "Build_regional_grid" \
-                       "Build_mosaic_file" "Build_global_equiv_resol")
+                       "Build_post" "Build_UFS_UTILS" )
 
 #
 # function parse_cfg: read config file and retrieve the values
diff --git a/src/regional_build.cfg b/src/regional_build.cfg
index 917493a06..86d39201b 100644
--- a/src/regional_build.cfg
+++ b/src/regional_build.cfg
@@ -6,9 +6,6 @@
  Building gsi (gsi) .................................... no
  Building post (post) .................................. yes
  Building UFS_UTILS (UFS_UTILS) ........................ yes
- Building regional_grid (regional_grid) ................ yes
- Building mosaic_file (mosaic_file) .................... yes
- Building global_equiv_resol (global_equiv_resol) ...... yes
  
 # -- END --