diff --git a/Externals.cfg b/Externals.cfg
index b15d0d3520..a8d805e4a4 100644
--- a/Externals.cfg
+++ b/Externals.cfg
@@ -29,7 +29,7 @@ protocol = git
 required = True
 
 [GSI-EnKF]
-hash = 48d8676
+hash = 31b8b29
 local_path = sorc/gsi_enkf.fd
 repo_url = https://github.com/NOAA-EMC/GSI.git
 protocol = git
diff --git a/scripts/exglobal_atmos_analysis.sh b/scripts/exglobal_atmos_analysis.sh
index ea251b373c..af75d6c75b 100755
--- a/scripts/exglobal_atmos_analysis.sh
+++ b/scripts/exglobal_atmos_analysis.sh
@@ -122,7 +122,7 @@ ESIASI=${ESIASI:-${COMIN_OBS}/${OPREFIX}esiasi.tm00.bufr_d${OSUFFIX}}
 IASIDB=${IASIDB:-${COMIN_OBS}/${OPREFIX}iasidb.tm00.bufr_d${OSUFFIX}}
 AMSREBF=${AMSREBF:-${COMIN_OBS}/${OPREFIX}amsre.tm00.bufr_d${OSUFFIX}}
 AMSR2BF=${AMSR2BF:-${COMIN_OBS}/${OPREFIX}amsr2.tm00.bufr_d${OSUFFIX}}
-GMI1CRBF=${GMI1CRBF:-${COMIN_OBS}/${OPREFIX}gmi1cr.tm00.bufr_d${OSUFFIX}}
+GMI1CRBF=${GMI1CRBF:-${COMIN_OBS}/${OPREFIX}gmi1cr.tm00.bufr_d${OSUFFIX}} # GMI temporarily disabled due to array overflow.
 SAPHIRBF=${SAPHIRBF:-${COMIN_OBS}/${OPREFIX}saphir.tm00.bufr_d${OSUFFIX}}
 SEVIRIBF=${SEVIRIBF:-${COMIN_OBS}/${OPREFIX}sevcsr.tm00.bufr_d${OSUFFIX}}
 AHIBF=${AHIBF:-${COMIN_OBS}/${OPREFIX}ahicsr.tm00.bufr_d${OSUFFIX}}
@@ -466,7 +466,7 @@ ${NLN} ${ESIASI}           iasibufrears
 ${NLN} ${IASIDB}           iasibufr_db
 ${NLN} ${AMSREBF}          amsrebufr
 ${NLN} ${AMSR2BF}          amsr2bufr
-${NLN} ${GMI1CRBF}         gmibufr
+#${NLN} ${GMI1CRBF}         gmibufr # GMI temporarily disabled due to array overflow.
 ${NLN} ${SAPHIRBF}         saphirbufr
 ${NLN} ${SEVIRIBF}         seviribufr
 ${NLN} ${CRISBF}           crisbufr
@@ -866,7 +866,6 @@ OBS_INPUT::
    iasibufr       iasi        metop-c     iasi_metop-c        0.0     1     1
    sstviirs       viirs-m     npp         viirs-m_npp         0.0     4     0
    sstviirs       viirs-m     j1          viirs-m_j1          0.0     4     0
-   abibufr        abi         g18         abi_g18             0.0     1     0
    ahibufr        ahi         himawari9   ahi_himawari9       0.0     1     0
    atmsbufr       atms        n21         atms_n21            0.0     1     1
    crisfsbufr     cris-fsr    n21         cris-fsr_n21        0.0     1     0
diff --git a/sorc/build_gsi_enkf.sh b/sorc/build_gsi_enkf.sh
index 9bc911ef11..671c3d6205 100755
--- a/sorc/build_gsi_enkf.sh
+++ b/sorc/build_gsi_enkf.sh
@@ -19,9 +19,6 @@ while getopts ":dov" option; do
 done
 shift $((OPTIND-1))
 
-# Temporary crtm version setting
-export crtm_ver="2.4.0"
-
 BUILD_TYPE=${BUILD_TYPE:-"Release"} \
 BUILD_VERBOSE=${BUILD_VERBOSE:-"NO"} \
 GSI_MODE=GFS \
diff --git a/sorc/checkout.sh b/sorc/checkout.sh
index 47a10a9d9a..85782c153b 100755
--- a/sorc/checkout.sh
+++ b/sorc/checkout.sh
@@ -161,7 +161,7 @@ checkout "ufs_model.fd"    "https://github.com/ufs-community/ufs-weather-model"
 checkout "verif-global.fd" "https://github.com/NOAA-EMC/EMC_verif-global.git"   "c267780"                    ; errs=$((errs + $?))
 
 if [[ ${checkout_gsi} == "YES" ]]; then
-  checkout "gsi_enkf.fd" "https://github.com/NOAA-EMC/GSI.git" "48d8676" "NO"; errs=$((errs + $?))
+  checkout "gsi_enkf.fd" "https://github.com/NOAA-EMC/GSI.git" "31b8b29" "NO"; errs=$((errs + $?))
 fi
 
 if [[ ${checkout_gdas} == "YES" ]]; then