diff --git a/test/ocf/common.sh b/test/ocf/common.sh
new file mode 100644
index 000000000..7bc8bcef5
--- /dev/null
+++ b/test/ocf/common.sh
@@ -0,0 +1,29 @@
+
+source $rootdir/scripts/common.sh
+source $rootdir/test/common/autotest_common.sh
+
+rpc_py=$rootdir/scripts/rpc.py
+
+function nvme_cfg() {
+	if [ -z "$ocf_nvme_cfg" ]; then
+		ocf_nvme_cfg=$($rootdir/scripts/gen_nvme.sh)
+	fi
+	echo "$ocf_nvme_cfg"
+}
+
+function clear_nvme()
+{
+	bdf=$($rootdir/scripts/gen_nvme.sh --json | jq '.config[0].params.traddr' | sed s/\"//g)
+
+	# Clear metadata on NVMe device
+	$rootdir/scripts/setup.sh reset
+	sleep 5
+	name=$(get_nvme_name_from_bdf $bdf)
+	mountpoints=$(lsblk /dev/$name --output MOUNTPOINT -n | wc -w)
+	if [ "$mountpoints" != "0" ]; then
+		$rootdir/scripts/setup.sh
+		exit 1
+	fi
+	dd if=/dev/zero of=/dev/$name bs=1M count=1000 oflag=direct
+	$rootdir/scripts/setup.sh
+}
diff --git a/test/ocf/integrity/fio-modes.sh b/test/ocf/integrity/fio-modes.sh
index 114ff33e1..6bbc38356 100755
--- a/test/ocf/integrity/fio-modes.sh
+++ b/test/ocf/integrity/fio-modes.sh
@@ -2,9 +2,8 @@
 
 curdir=$(dirname $(readlink -f "${BASH_SOURCE[0]}"))
 rootdir=$(readlink -f $curdir/../../..)
-plugindir=$rootdir/examples/bdev/fio_plugin
 
-source $rootdir/test/common/autotest_common.sh
+source $rootdir/test/ocf/common.sh
 
 function fio_verify(){
 	fio_bdev $curdir/test.fio --aux-path=/tmp/ --ioengine=spdk_bdev "$@"
@@ -14,33 +13,15 @@ function cleanup(){
 	rm -f $curdir/modes.conf
 }
 
-function clear_nvme()
-{
-        # Clear metadata on NVMe device
-        $rootdir/scripts/setup.sh reset
-        sleep 5
-        name=$(get_nvme_name_from_bdf $1)
-
-        mountpoints=$(lsblk /dev/$name --output MOUNTPOINT -n | wc -w)
-        if [ "$mountpoints" != "0" ]; then
-                $rootdir/scripts/setup.sh
-                exit 1
-        fi
-        dd if=/dev/zero of=/dev/$name bs=1M count=1000 oflag=direct
-        $rootdir/scripts/setup.sh
-}
-
-# Clear only nvme device which we will use in test
-bdf=$($rootdir/scripts/gen_nvme.sh --json | jq '.config[0].params.traddr' | sed s/\"//g)
-
-clear_nvme "$bdf"
+# Clear nvme device which we will use in test
+clear_nvme
 
 trap "cleanup; exit 1" SIGINT SIGTERM EXIT
 
 nvme_cfg=$($rootdir/scripts/gen_nvme.sh)
 
 config="
-$nvme_cfg
+$(nvme_cfg)
 
 [Split]
   Split Nvme0n1 8 101
diff --git a/test/ocf/management/persistent-metadata.sh b/test/ocf/management/persistent-metadata.sh
index cd7315bf6..b3ebb8330 100755
--- a/test/ocf/management/persistent-metadata.sh
+++ b/test/ocf/management/persistent-metadata.sh
@@ -2,41 +2,18 @@
 
 curdir=$(dirname $(readlink -f "${BASH_SOURCE[0]}"))
 rootdir=$(readlink -f $curdir/../../..)
-source $rootdir/scripts/common.sh
-source $rootdir/test/common/autotest_common.sh
-
-function clear_nvme()
-{
-        # Clear metadata on NVMe device
-        $rootdir/scripts/setup.sh reset
-        sleep 5
-        name=$(get_nvme_name_from_bdf $1)
-        mountpoints=$(lsblk /dev/$name --output MOUNTPOINT -n | wc -w)
-        if [ "$mountpoints" != "0" ]; then
-                $rootdir/scripts/setup.sh
-                exit 1
-        fi
-        dd if=/dev/zero of=/dev/$name bs=1M count=1000 oflag=direct
-        $rootdir/scripts/setup.sh
-}
-
-rpc_py=$rootdir/scripts/rpc.py
-
-$rootdir/scripts/setup.sh
-nvme_cfg=$($rootdir/scripts/gen_nvme.sh)
+source $rootdir/test/ocf/common.sh
 
 config="
-$nvme_cfg
+$(nvme_cfg)
 
 [Split]
   Split Nvme0n1 7 128
 "
 echo "$config" > $curdir/config
 
-# Clear only nvme device which we will use in test
-bdf=$($rootdir/scripts/gen_nvme.sh --json | jq '.config[0].params.traddr' | sed s/\"//g)
-
-clear_nvme $bdf
+# Clear nvme device which we will use in test
+clear_nvme
 
 $rootdir/app/iscsi_tgt/iscsi_tgt -c $curdir/config &
 spdk_pid=$!