diff --git a/configure.d/2_bio_barrier.conf b/configure.d/2_bio_barrier.conf
deleted file mode 100644
index 461d658..0000000
--- a/configure.d/2_bio_barrier.conf
+++ /dev/null
@@ -1,42 +0,0 @@
-#!/bin/bash
-#
-# Copyright(c) 2012-2022 Intel Corporation
-# SPDX-License-Identifier: BSD-3-Clause
-#
-
-. $(dirname $3)/conf_framework.sh
-
-check() {
-	cur_name=$(basename $2)
-	config_file_path=$1
-	if compile_module $cur_name "RQF_SOFTBARRIER;" "linux/blkdev.h"
-	then
-        echo $cur_name "1" >> $config_file_path
-	elif compile_module $cur_name "REQ_SOFTBARRIER;" "linux/blk_types.h"
-	then
-        echo $cur_name "2" >> $config_file_path
-	elif compile_module $cur_name "BIO_RW_BARRIER;" "linux/fs.h"
-	then
-        echo $cur_name "3" >> $config_file_path
-    else
-        echo $cur_name "X" >> $config_file_path
-    fi
-}
-
-apply() {
-    case "$1" in
-    "1")
-		add_define "CAS_CHECK_BARRIER(bio) \\
-			((CAS_BIO_OP_FLAGS(bio) & RQF_SOFTBARRIER) != 0)" ;;
-    "2")
-		add_define "CAS_CHECK_BARRIER(bio) \\
-			((CAS_BIO_OP_FLAGS(bio) & REQ_SOFTBARRIER) != 0)" ;;
-    "3")
-		add_define "CAS_CHECK_BARRIER(bio) \\
-			(bio_rw_flagged((bio), BIO_RW_BARRIER))" ;;
-    *)
-        exit 1
-    esac
-}
-
-conf_run $@
diff --git a/modules/cas_cache/volume/vol_block_dev_top.c b/modules/cas_cache/volume/vol_block_dev_top.c
index bdefa3e..84f9103 100644
--- a/modules/cas_cache/volume/vol_block_dev_top.c
+++ b/modules/cas_cache/volume/vol_block_dev_top.c
@@ -30,17 +30,6 @@ static void blkdev_set_bio_data(struct blk_data *data, struct bio *bio)
 #endif
 }
 
-static inline int blkdev_can_hndl_bio(struct bio *bio)
-{
-	if (CAS_CHECK_BARRIER(bio)) {
-		CAS_PRINT_RL(KERN_WARNING
-			"special bio was sent, not supported!\n");
-		return -ENOTSUPP;
-	}
-
-	return 0;
-}
-
 void blkdev_set_exported_object_flush_fua(ocf_core_t core)
 {
 	ocf_cache_t cache = ocf_core_get_cache(core);
@@ -428,12 +417,6 @@ static void blkdev_handle_bio(struct bd_object *bvol, struct bio *bio)
 
 static void blkdev_submit_bio(struct bd_object *bvol, struct bio *bio)
 {
-	if (blkdev_can_hndl_bio(bio)) {
-		CAS_BIO_ENDIO(bio, CAS_BIO_BISIZE(bio),
-				CAS_ERRNO_TO_BLK_STS(-ENOTSUPP));
-		return;
-	}
-
 	if (in_interrupt())
 		blkdev_defer_bio(bvol, bio, blkdev_handle_bio);
 	else