diff --git a/scripts/check_format.sh b/scripts/check_format.sh
index 062388fb5..519ca15db 100755
--- a/scripts/check_format.sh
+++ b/scripts/check_format.sh
@@ -247,7 +247,7 @@ SC2027,SC2030,SC2031,SC2034,SC2035,SC2039,SC2043,SC2044,SC2045,SC2046,\
 SC2068,SC2086,SC2089,SC2090,\
 SC2097,SC2098,SC2103,SC2115,SC2116,SC2119,SC2120,SC2121,SC2124,SC2126,SC2128,\
 SC2129,SC2140,SC2142,SC2143,SC2145,SC2146,SC2148,SC2152,SC2153,SC2154,SC2155,\
-SC2162,SC2164,SC2165,SC2166,SC2167,SC2174,SC2178,\
+SC2162,SC2164,SC2165,SC2166,SC2167,SC2174,\
 SC2206,SC2207,SC2214,SC2223,SC2230,SC2231"
 	# SPDK fails some error checks which have been deprecated in later versions of shellcheck.
 	# We will not try to fix these error checks, but instead just leave the error types here
diff --git a/scripts/setup.sh b/scripts/setup.sh
index 68151c5ac..97f55771a 100755
--- a/scripts/setup.sh
+++ b/scripts/setup.sh
@@ -257,7 +257,7 @@ function configure_linux_pci {
 				pci_dev_echo "$bdf" "Skipping un-whitelisted Virtio device at $bdf"
 				continue
 			fi
-			blknames=''
+			blknames=()
 			get_virtio_names_from_bdf "$bdf" blknames
 			for blkname in $blknames; do
 				if [ "$(lsblk /dev/$blkname --output MOUNTPOINT -n | wc -w)" != "0" ]; then
@@ -601,7 +601,7 @@ function status_linux {
 			fi
 			device=$(cat /sys/bus/pci/devices/$bdf/device)
 			vendor=$(cat /sys/bus/pci/devices/$bdf/vendor)
-			blknames=''
+			blknames=()
 			get_virtio_names_from_bdf "$bdf" blknames
 			echo -e "$bdf\t${vendor#0x}\t${device#0x}\t$node\t\t${driver:--}\t\t$blknames"
 		done
diff --git a/test/nvme/perf/run_perf.sh b/test/nvme/perf/run_perf.sh
index 8d8e49d88..655b7f33f 100755
--- a/test/nvme/perf/run_perf.sh
+++ b/test/nvme/perf/run_perf.sh
@@ -37,8 +37,8 @@ BASE_DIR=$(readlink -f $(dirname $0))
 disk_names=$(get_disks $PLUGIN)
 disks_numa=$(get_numa_node $PLUGIN "$disk_names")
 cores=$(get_cores "$CPUS_ALLOWED")
-no_cores=($cores)
-no_cores=${#no_cores[@]}
+no_cores_array=($cores)
+no_cores=${#no_cores_array[@]}
 
 if $PRECONDITIONING; then
 	HUGEMEM=8192 $ROOT_DIR/scripts/setup.sh
diff --git a/test/vhost/perf_bench/vhost_perf.sh b/test/vhost/perf_bench/vhost_perf.sh
index f42504085..0499d7cb6 100755
--- a/test/vhost/perf_bench/vhost_perf.sh
+++ b/test/vhost/perf_bench/vhost_perf.sh
@@ -190,8 +190,7 @@ if [[ $run_precondition == true ]]; then
 	# Using the same precondition routine possible for lvols thanks
 	# to --clear-method option. Lvols should not UNMAP on creation.
     $rootdir/scripts/gen_nvme.sh > $rootdir/nvme.cfg
-    nvmes=$(cat $rootdir/nvme.cfg | grep -oP "Nvme\d+")
-    nvmes=($nvmes)
+    mapfile -t nvmes < <(cat $rootdir/nvme.cfg | grep -oP "Nvme\d+")
     fio_filename=$(printf ":%sn1" "${nvmes[@]}")
     fio_filename=${fio_filename:1}
     $precond_fio_bin --name="precondition" \