diff --git a/t/sharness.d/02-flux-sharness.sh b/t/sharness.d/02-flux-sharness.sh
index d8f1e37b..7572fca2 100644
--- a/t/sharness.d/02-flux-sharness.sh
+++ b/t/sharness.d/02-flux-sharness.sh
@@ -151,73 +151,18 @@ test_on_rank() {
     flux exec --rank=${ranks} "$@"
 }
 
-#
-# Check for a program and skip all tests immediately if not found.
-# Exports the program in SHARNESS_test_skip_all_prereq for later
-# check in TEST_CHECK_PREREQS
-#
-skip_all_unless_have()
-{
-    prog_path=$(which $1 2>/dev/null)
-    if test -z "$prog_path"; then
-        skip_all="$1 not found. Skipping all tests"
-        test_done
-    fi
-    eval "$1=$prog_path"
-    export SHARNESS_test_skip_all_prereq="$SHARNESS_test_skip_all_prereq,$1"
-}
-
-GLOBAL_PROGRAM_PREREQS="HAVE_JQ:jq"
-
-#
-#  Check for programs in GLOBAL_PROGRAM_PREREQS and set prereq and
-#   "<name>=<program_path>" if found. If TEST_CHECK_PREREQS is set, then
-#   create a wrapper script in trash-directory/bin which will ensure the
-#   prereq (or global skip_all above) has been used before each invocation
-#   of program. This will catch places in testsuite where program is used
-#   without testing the prerequisite.
-#
-for prereq in $GLOBAL_PROGRAM_PREREQS; do
-    prog=${prereq#*:}
-    path_prog=$(which ${prog} 2>/dev/null || echo "/bin/false")
-    req=${prereq%:*}
-    test "${path_prog}" = "/bin/false" || test_set_prereq ${req}
-    eval "${prog}=${path_prog}"
-    if test -n "$TEST_CHECK_PREREQS"; then
-		dir=${SHARNESS_TRASH_DIRECTORY}/bin
-		mkdir -p ${dir}
-		cat <<-EOF > ${dir}/$prog
-		#!/bin/sh
-		saved_IFS=\$IFS
-		IFS=,
-		for x in \$test_prereq; do
-		  test "\$x" = "$req" && ok=t
-		done
-		for x in \$SHARNESS_test_skip_all_prereq; do
-		  test "\$x" = "$prog" && ok=t
-		done
-		test -n "\$ok" && exec $path_prog "\$@"
-		echo >&2 "Use of $prog without prereq $req!"
-		exit 1
-		EOF
-		chmod +x ${dir}/$prog
-		# Override $$prog to point to wrapper script:
-		eval "${prog}=${dir}/${prog}"
-    fi
-done
-
-if test -n "$TEST_CHECK_PREREQS"; then
-    export PATH=${SHARNESS_TRASH_DIRECTORY}/bin:${PATH}
-fi
-
 #  Export a shorter name for this test
 TEST_NAME=$SHARNESS_TEST_NAME
 export TEST_NAME
 
 #  Test requirements for testsuite
+if ! command -v jq >/dev/null; then
+    error "jq is required for the flux-coral2 testsuite"
+fi
 if ! run_timeout 10.0 lua -e 'require "posix"'; then
     error "failed to find lua posix module in path"
 fi
+jq=$(command -v jq)
 
 #  Some tests in flux don't work with --chain-lint, add a prereq for
 #   --no-chain-lint:
diff --git a/t/t1001-cray-pals.t b/t/t1001-cray-pals.t
index 708987e6..e4a87d00 100755
--- a/t/t1001-cray-pals.t
+++ b/t/t1001-cray-pals.t
@@ -158,7 +158,7 @@ test_expect_success 'shell: pals shell plugin creates apinfo file' '
 	&& test ! -z \$PALS_APINFO && test -f \$PALS_APINFO"
 '
 
-test_expect_success HAVE_JQ 'shell: apinfo file contents are valid for one task' '
+test_expect_success 'shell: apinfo file contents are valid for one task' '
 	apinfo=$(flux run -o userrc=$(pwd)/$USERRC_NAME -N1 -n1 ${PYTHON:-python3} \
 	${SHARNESS_TEST_SRCDIR}/scripts/apinfo_checker.py) &&
 	echo "$apinfo" | jq -e ".version == 1" &&
@@ -175,7 +175,7 @@ test_expect_success HAVE_JQ 'shell: apinfo file contents are valid for one task'
 	echo "$apinfo" | jq -e ".pes | length == 1"
 '
 
-test_expect_success HAVE_JQ 'shell: apinfo file contents are valid for multiple tasks' '
+test_expect_success 'shell: apinfo file contents are valid for multiple tasks' '
 	apinfo=$(flux run -o userrc=$(pwd)/$USERRC_NAME -N1 -n2 --label-io \
 	${PYTHON:-python3} ${SHARNESS_TEST_SRCDIR}/scripts/apinfo_checker.py \
 	| sed -n "s/^1: //p") &&
@@ -194,7 +194,7 @@ test_expect_success HAVE_JQ 'shell: apinfo file contents are valid for multiple
 	echo "$apinfo" | jq -e ".pes | length == 2"
 '
 
-test_expect_success HAVE_JQ 'shell: apinfo file contents are valid for multiple nodes' '
+test_expect_success 'shell: apinfo file contents are valid for multiple nodes' '
     apinfo=$(flux run -o userrc=$(pwd)/$USERRC_NAME -N2 -n4 --label-io \
     ${PYTHON:-python3} ${SHARNESS_TEST_SRCDIR}/scripts/apinfo_checker.py \
     | sed -n "s/^1: //p") &&
@@ -217,7 +217,7 @@ test_expect_success HAVE_JQ 'shell: apinfo file contents are valid for multiple
     echo "$apinfo" | jq -e ".pes | length == 4"
 '
 
-test_expect_success HAVE_JQ 'shell: apinfo file contents are valid with cyclic task placement' '
+test_expect_success 'shell: apinfo file contents are valid with cyclic task placement' '
     apinfo=$(flux run -o userrc=$(pwd)/$USERRC_NAME -N2 -n4 --label-io --taskmap=cyclic \
     ${PYTHON:-python3} ${SHARNESS_TEST_SRCDIR}/scripts/apinfo_checker.py \
     | sed -n "s/^1: //p") &&
@@ -243,7 +243,7 @@ test_expect_success HAVE_JQ 'shell: apinfo file contents are valid with cyclic t
     echo "$apinfo" | jq -e ".pes | length == 4"
 '
 
-test_expect_success HAVE_JQ 'shell: apinfo file contents are valid with manual task placement' '
+test_expect_success 'shell: apinfo file contents are valid with manual task placement' '
     apinfo=$(flux run -o userrc=$(pwd)/$USERRC_NAME -N2 -n4 --label-io \
     --taskmap="manual:[[1,1,2,1],[0,1,2,1]]" \
     ${PYTHON:-python3} ${SHARNESS_TEST_SRCDIR}/scripts/apinfo_checker.py \
diff --git a/t/t2000-dws2jgf.t b/t/t2000-dws2jgf.t
index 816da097..97fa4732 100755
--- a/t/t2000-dws2jgf.t
+++ b/t/t2000-dws2jgf.t
@@ -22,7 +22,7 @@ if test_have_prereq NO_DWS_K8S; then
     test_done
 fi
 
-test_expect_success HAVE_JQ 'smoke test to ensure the storage resources are expected' '
+test_expect_success 'smoke test to ensure the storage resources are expected' '
 	test $(kubectl get storages | wc -l) -eq 3 &&
 	kubectl get storages kind-worker2 -ojson | jq -e ".status.access.computes | length == 3" &&
 	kubectl get storages kind-worker2 -ojson | jq -e ".status.access.computes[0].name == \"compute-01\"" &&
@@ -33,36 +33,36 @@ test_expect_success HAVE_JQ 'smoke test to ensure the storage resources are expe
 	test $(hostname) = compute-01
 '
 
-test_expect_success HAVE_JQ 'flux-rabbitmapping outputs expected mapping' '
+test_expect_success 'flux-rabbitmapping outputs expected mapping' '
 	flux python ${FLUX_SOURCE_DIR}/src/cmd/flux-rabbitmapping.py -i2 > rabbits.json
 	test_cmp ${DATADIR}/rabbits.json rabbits.json
 '
 
-test_expect_success HAVE_JQ 'flux-dws2jgf.py outputs expected JGF for single compute node' '
+test_expect_success 'flux-dws2jgf.py outputs expected JGF for single compute node' '
 	flux R encode -Hcompute-01 | flux python ${CMD} --no-validate --cluster-name=ElCapitan \
 		rabbits.json | jq . > actual-compute-01.jgf &&
 	test_cmp ${DATADIR}/expected-compute-01.jgf actual-compute-01.jgf
 '
 
-test_expect_success HAVE_JQ 'flux-dws2jgf.py outputs expected JGF for multiple compute nodes' '
+test_expect_success 'flux-dws2jgf.py outputs expected JGF for multiple compute nodes' '
 	flux R encode -Hcompute-[01-04] -c0-4 | flux python ${CMD} --no-validate --cluster-name=ElCapitan \
 		rabbits.json | jq . > actual-compute-01-04.jgf &&
 	test_cmp ${DATADIR}/expected-compute-01-04.jgf actual-compute-01-04.jgf
 '
 
-test_expect_success HAVE_JQ 'flux-dws2jgf.py outputs expected JGF for compute nodes not in DWS' '
+test_expect_success 'flux-dws2jgf.py outputs expected JGF for compute nodes not in DWS' '
 	flux R encode -Hcompute-[01-04],nodws[0-5] -c0-4 | \
 	flux python ${CMD} --no-validate rabbits.json | jq . > actual-compute-01-nodws.jgf &&
 	test_cmp ${DATADIR}/expected-compute-01-nodws.jgf actual-compute-01-nodws.jgf
 '
 
-test_expect_success HAVE_JQ 'flux-dws2jgf.py handles properties correctly' '
+test_expect_success 'flux-dws2jgf.py handles properties correctly' '
 	cat ${DATADIR}/R-properties | \
 	flux python ${CMD} --no-validate rabbits.json | jq . > actual-properties.jgf &&
 	test_cmp ${DATADIR}/expected-properties.jgf actual-properties.jgf
 '
 
-test_expect_success HAVE_JQ 'fluxion rejects a rack/rabbit job when no rabbits are recognized' '
+test_expect_success 'fluxion rejects a rack/rabbit job when no rabbits are recognized' '
 	flux module remove -f sched-fluxion-qmanager &&
 	flux module remove -f sched-fluxion-resource &&
 	flux module reload resource &&
@@ -73,7 +73,7 @@ test_expect_success HAVE_JQ 'fluxion rejects a rack/rabbit job when no rabbits a
 	flux job wait-event -vt 2 ${JOBID} exception
 '
 
-test_expect_success HAVE_JQ 'fluxion can be loaded with output of dws2jgf' '
+test_expect_success 'fluxion can be loaded with output of dws2jgf' '
 	flux run -n1 hostname &&
 	flux R encode -l | flux python ${CMD} --no-validate --cluster-name=ElCapitan rabbits.json \
 		| jq . > R.local &&
@@ -88,13 +88,13 @@ test_expect_success HAVE_JQ 'fluxion can be loaded with output of dws2jgf' '
 	flux job wait-event -vt 2 -m status=0 ${JOBID} finish
 '
 
-test_expect_success HAVE_JQ 'fluxion does not allocate a rack/rabbit job after adding down rabbits' '
+test_expect_success 'fluxion does not allocate a rack/rabbit job after adding down rabbits' '
 	JOBID=$(flux job submit ${DATADIR}/rabbit-jobspec.json) &&
 	test_must_fail flux job wait-event -vt 2 ${JOBID} alloc &&
 	flux cancel $JOBID
 '
 
-test_expect_success HAVE_JQ 'fluxion allocates a rack/rabbit job when rabbit is up' '
+test_expect_success 'fluxion allocates a rack/rabbit job when rabbit is up' '
 	${SHARNESS_TEST_SRCDIR}/scripts/set_status.py /ElCapitan0/rack0/ssd0 up &&
 	JOBID=$(flux job submit ${DATADIR}/rabbit-jobspec.json) &&
 	flux job wait-event -vt 2 -m status=0 ${JOBID} finish &&