diff --git a/src/cleaning/acp.c b/src/cleaning/acp.c
index c5c585f..06c429c 100644
--- a/src/cleaning/acp.c
+++ b/src/cleaning/acp.c
@@ -9,7 +9,7 @@
 #include "../metadata/metadata.h"
 #include "../utils/utils_cleaner.h"
 #include "../utils/utils_cache_line.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../cleaning/acp.h"
 #include "../engine/engine_common.h"
 #include "../concurrency/ocf_cache_concurrency.h"
diff --git a/src/engine/cache_engine.c b/src/engine/cache_engine.c
index 19769e2..910f47a 100644
--- a/src/engine/cache_engine.c
+++ b/src/engine/cache_engine.c
@@ -21,7 +21,7 @@
 #include "engine_ops.h"
 #include "../utils/utils_part.h"
 #include "../utils/utils_refcnt.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../metadata/metadata.h"
 #include "../eviction/eviction.h"
 
diff --git a/src/engine/engine_bf.c b/src/engine/engine_bf.c
index 832f410..f045b72 100644
--- a/src/engine/engine_bf.c
+++ b/src/engine/engine_bf.c
@@ -10,7 +10,7 @@
 #include "engine_inv.h"
 #include "engine_common.h"
 #include "cache_engine.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_io.h"
 #include "../concurrency/ocf_concurrency.h"
 
diff --git a/src/engine/engine_common.c b/src/engine/engine_common.c
index 751e0bb..2976f37 100644
--- a/src/engine/engine_common.c
+++ b/src/engine/engine_common.c
@@ -11,7 +11,7 @@
 #define OCF_ENGINE_DEBUG_IO_NAME "common"
 #include "engine_debug.h"
 #include "../utils/utils_cache_line.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_cleaner.h"
 #include "../metadata/metadata.h"
 #include "../eviction/eviction.h"
diff --git a/src/engine/engine_d2c.c b/src/engine/engine_d2c.c
index 2b7796c..8728daf 100644
--- a/src/engine/engine_d2c.c
+++ b/src/engine/engine_d2c.c
@@ -7,7 +7,7 @@
 #include "engine_d2c.h"
 #include "engine_common.h"
 #include "cache_engine.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_io.h"
 #include "../metadata/metadata.h"
 
diff --git a/src/engine/engine_discard.c b/src/engine/engine_discard.c
index 3d12fa0..f7973d4 100644
--- a/src/engine/engine_discard.c
+++ b/src/engine/engine_discard.c
@@ -8,7 +8,7 @@
 #include "engine_common.h"
 #include "engine_discard.h"
 #include "../metadata/metadata.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_io.h"
 #include "../utils/utils_cache_line.h"
 #include "../concurrency/ocf_concurrency.h"
diff --git a/src/engine/engine_fast.c b/src/engine/engine_fast.c
index 888e878..5d51e11 100644
--- a/src/engine/engine_fast.c
+++ b/src/engine/engine_fast.c
@@ -9,7 +9,7 @@
 #include "engine_common.h"
 #include "engine_pt.h"
 #include "engine_wb.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_part.h"
 #include "../utils/utils_io.h"
 #include "../concurrency/ocf_concurrency.h"
diff --git a/src/engine/engine_inv.c b/src/engine/engine_inv.c
index 8ebcb2e..fd30204 100644
--- a/src/engine/engine_inv.c
+++ b/src/engine/engine_inv.c
@@ -8,7 +8,7 @@
 #include "engine_inv.h"
 #include "engine_common.h"
 #include "cache_engine.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_cache_line.h"
 #include "../metadata/metadata.h"
 #include "../concurrency/ocf_concurrency.h"
diff --git a/src/engine/engine_ops.c b/src/engine/engine_ops.c
index f2463a3..4ce0ef6 100644
--- a/src/engine/engine_ops.c
+++ b/src/engine/engine_ops.c
@@ -7,7 +7,7 @@
 #include "engine_common.h"
 #include "cache_engine.h"
 #include "engine_ops.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_io.h"
 
 #define OCF_ENGINE_DEBUG_IO_NAME "ops"
diff --git a/src/engine/engine_pt.c b/src/engine/engine_pt.c
index f7a4a3a..25304ed 100644
--- a/src/engine/engine_pt.c
+++ b/src/engine/engine_pt.c
@@ -7,7 +7,7 @@
 #include "engine_pt.h"
 #include "engine_common.h"
 #include "cache_engine.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_io.h"
 #include "../utils/utils_part.h"
 #include "../metadata/metadata.h"
diff --git a/src/engine/engine_rd.c b/src/engine/engine_rd.c
index 86a230f..022ae5c 100644
--- a/src/engine/engine_rd.c
+++ b/src/engine/engine_rd.c
@@ -13,7 +13,7 @@
 #include "cache_engine.h"
 #include "../concurrency/ocf_concurrency.h"
 #include "../utils/utils_io.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_cache_line.h"
 #include "../utils/utils_part.h"
 #include "../metadata/metadata.h"
diff --git a/src/engine/engine_wa.c b/src/engine/engine_wa.c
index 6741b28..2d8a5e8 100644
--- a/src/engine/engine_wa.c
+++ b/src/engine/engine_wa.c
@@ -7,7 +7,7 @@
 #include "engine_wa.h"
 #include "engine_common.h"
 #include "cache_engine.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_io.h"
 #include "../metadata/metadata.h"
 
diff --git a/src/engine/engine_wb.c b/src/engine/engine_wb.c
index a716d2e..7f9d133 100644
--- a/src/engine/engine_wb.c
+++ b/src/engine/engine_wb.c
@@ -9,7 +9,7 @@
 #include "engine_common.h"
 #include "engine_wb.h"
 #include "../metadata/metadata.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_io.h"
 #include "../utils/utils_cache_line.h"
 #include "../utils/utils_part.h"
diff --git a/src/engine/engine_wi.c b/src/engine/engine_wi.c
index 845dd5c..2838d65 100644
--- a/src/engine/engine_wi.c
+++ b/src/engine/engine_wi.c
@@ -8,7 +8,7 @@
 #include "engine_wi.h"
 #include "engine_common.h"
 #include "../concurrency/ocf_concurrency.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_cache_line.h"
 #include "../utils/utils_io.h"
 #include "../metadata/metadata.h"
diff --git a/src/engine/engine_wt.c b/src/engine/engine_wt.c
index febf1a1..f8962ba 100644
--- a/src/engine/engine_wt.c
+++ b/src/engine/engine_wt.c
@@ -8,7 +8,7 @@
 #include "engine_wt.h"
 #include "engine_inv.h"
 #include "engine_common.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_io.h"
 #include "../utils/utils_cache_line.h"
 #include "../utils/utils_part.h"
diff --git a/src/engine/engine_zero.c b/src/engine/engine_zero.c
index e9b29b7..57dc489 100644
--- a/src/engine/engine_zero.c
+++ b/src/engine/engine_zero.c
@@ -8,7 +8,7 @@
 #include "engine_zero.h"
 #include "engine_common.h"
 #include "../concurrency/ocf_concurrency.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_cache_line.h"
 #include "../utils/utils_io.h"
 #include "../metadata/metadata.h"
diff --git a/src/eviction/lru.c b/src/eviction/lru.c
index 9a4fbdc..8371d3f 100644
--- a/src/eviction/lru.c
+++ b/src/eviction/lru.c
@@ -11,7 +11,7 @@
 #include "../concurrency/ocf_concurrency.h"
 #include "../mngt/ocf_mngt_common.h"
 #include "../engine/engine_zero.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 
 #define OCF_EVICTION_MAX_SCAN 1024
 
diff --git a/src/metadata/metadata_raw_dynamic.c b/src/metadata/metadata_raw_dynamic.c
index 06cae29..f2e698b 100644
--- a/src/metadata/metadata_raw_dynamic.c
+++ b/src/metadata/metadata_raw_dynamic.c
@@ -11,7 +11,7 @@
 #include "../engine/cache_engine.h"
 #include "../engine/engine_common.h"
 #include "../utils/utils_io.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../ocf_def_priv.h"
 #include "../ocf_priv.h"
 
diff --git a/src/mngt/ocf_mngt_cache.c b/src/mngt/ocf_mngt_cache.c
index cf60718..d3ad54e 100644
--- a/src/mngt/ocf_mngt_cache.c
+++ b/src/mngt/ocf_mngt_cache.c
@@ -18,7 +18,6 @@
 #include "../utils/utils_cache_line.h"
 #include "../utils/utils_pipeline.h"
 #include "../utils/utils_refcnt.h"
-#include "../ocf_utils.h"
 #include "../concurrency/ocf_concurrency.h"
 #include "../eviction/ops.h"
 #include "../ocf_ctx_priv.h"
diff --git a/src/mngt/ocf_mngt_common.c b/src/mngt/ocf_mngt_common.c
index 37daa8f..fc0ef91 100644
--- a/src/mngt/ocf_mngt_common.c
+++ b/src/mngt/ocf_mngt_common.c
@@ -9,7 +9,7 @@
 #include "../ocf_ctx_priv.h"
 #include "../metadata/metadata.h"
 #include "../engine/cache_engine.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../utils/utils_device.h"
 #include "../eviction/ops.h"
 #include "../ocf_logger_priv.h"
diff --git a/src/mngt/ocf_mngt_flush.c b/src/mngt/ocf_mngt_flush.c
index 9872c83..ff2173c 100644
--- a/src/mngt/ocf_mngt_flush.c
+++ b/src/mngt/ocf_mngt_flush.c
@@ -15,7 +15,7 @@
 #include "../utils/utils_part.h"
 #include "../utils/utils_pipeline.h"
 #include "../utils/utils_refcnt.h"
-#include "../utils/utils_req.h"
+#include "../ocf_request.h"
 #include "../ocf_def_priv.h"
 
 struct ocf_mngt_cache_flush_context;
diff --git a/src/ocf_cache.c b/src/ocf_cache.c
index 0970f75..8849a46 100644
--- a/src/ocf_cache.c
+++ b/src/ocf_cache.c
@@ -7,7 +7,7 @@
 #include "metadata/metadata.h"
 #include "engine/cache_engine.h"
 #include "utils/utils_cache_line.h"
-#include "utils/utils_req.h"
+#include "ocf_request.h"
 #include "utils/utils_part.h"
 #include "ocf_priv.h"
 #include "ocf_cache_priv.h"
diff --git a/src/ocf_core.c b/src/ocf_core.c
index 383cacd..2fb1288 100644
--- a/src/ocf_core.c
+++ b/src/ocf_core.c
@@ -9,7 +9,7 @@
 #include "ocf_io_priv.h"
 #include "metadata/metadata.h"
 #include "engine/cache_engine.h"
-#include "utils/utils_req.h"
+#include "ocf_request.h"
 #include "utils/utils_part.h"
 #include "utils/utils_device.h"
 #include "ocf_request.h"
diff --git a/src/ocf_ctx.c b/src/ocf_ctx.c
index 00a0cbf..5bfc4a2 100644
--- a/src/ocf_ctx.c
+++ b/src/ocf_ctx.c
@@ -7,7 +7,7 @@
 #include "ocf_ctx_priv.h"
 #include "ocf_priv.h"
 #include "ocf_volume_priv.h"
-#include "ocf_utils.h"
+#include "ocf_request.h"
 #include "ocf_logger_priv.h"
 #include "ocf_core_priv.h"
 #include "mngt/ocf_mngt_core_pool_priv.h"
@@ -141,7 +141,7 @@ int ocf_ctx_create(ocf_ctx_t *ctx, const struct ocf_ctx_config *cfg)
 	if (ret)
 		goto err_ctx;
 
-	ret = ocf_utils_init(ocf_ctx);
+	ret = ocf_req_allocator_init(ocf_ctx);
 	if (ret)
 		goto err_logger;
 
@@ -156,7 +156,7 @@ int ocf_ctx_create(ocf_ctx_t *ctx, const struct ocf_ctx_config *cfg)
 	return 0;
 
 err_utils:
-	ocf_utils_deinit(ocf_ctx);
+	ocf_req_allocator_deinit(ocf_ctx);
 err_logger:
 	ocf_logger_close(&ocf_ctx->logger);
 err_ctx:
@@ -190,7 +190,7 @@ void ocf_ctx_put(ocf_ctx_t ctx)
 
 	ocf_mngt_core_pool_deinit(ctx);
 	ocf_core_volume_type_deinit(ctx);
-	ocf_utils_deinit(ctx);
+	ocf_req_allocator_deinit(ctx);
 	ocf_logger_close(&ctx->logger);
 	env_free(ctx);
 }
diff --git a/src/utils/utils_req.c b/src/ocf_request.c
similarity index 95%
rename from src/utils/utils_req.c
rename to src/ocf_request.c
index 85c69c2..6d13009 100644
--- a/src/utils/utils_req.c
+++ b/src/ocf_request.c
@@ -4,11 +4,10 @@
  */
 
 #include "ocf/ocf.h"
-#include "utils_req.h"
-#include "utils_cache_line.h"
-#include "../ocf_request.h"
-#include "../ocf_cache_priv.h"
-#include "../ocf_queue_priv.h"
+#include "ocf_request.h"
+#include "ocf_cache_priv.h"
+#include "ocf_queue_priv.h"
+#include "utils/utils_cache_line.h"
 
 #define OCF_UTILS_RQ_DEBUG 0
 
@@ -76,20 +75,20 @@ int ocf_req_allocator_init(struct ocf_ctx *ocf_ctx)
 	req = ocf_ctx->resources.req;
 
 	if (!req)
-		goto ocf_utils_req_init_ERROR;
+		goto err;
 
 	for (i = 0; i < ARRAY_SIZE(req->allocator); i++) {
 		req->size[i] = ocf_req_sizeof(1 << i);
 
 		if (snprintf(name, sizeof(name), ALLOCATOR_NAME_FMT,
 				(1 << i)) < 0) {
-			goto ocf_utils_req_init_ERROR;
+			goto err;
 		}
 
 		req->allocator[i] = env_allocator_create(req->size[i], name);
 
 		if (!req->allocator[i])
-			goto ocf_utils_req_init_ERROR;
+			goto err;
 
 		OCF_DEBUG_PARAM(cache, "New request allocator, lines = %u, "
 				"size = %lu", 1 << i, req->size[i]);
@@ -97,10 +96,8 @@ int ocf_req_allocator_init(struct ocf_ctx *ocf_ctx)
 
 	return 0;
 
-ocf_utils_req_init_ERROR:
-
+err:
 	ocf_req_allocator_deinit(ocf_ctx);
-
 	return -1;
 }
 
diff --git a/src/ocf_request.h b/src/ocf_request.h
index ececaf4..b26de96 100644
--- a/src/ocf_request.h
+++ b/src/ocf_request.h
@@ -8,6 +8,8 @@
 
 #include "ocf_env.h"
 
+struct ocf_req_allocator;
+
 struct ocf_req_info {
 	/* Number of hits, invalid, misses. */
 	unsigned int hit_no;
@@ -201,4 +203,131 @@ struct ocf_request {
 
 typedef void (*ocf_req_end_t)(struct ocf_request *req, int error);
 
-#endif
+/**
+ * @brief Initialize OCF request allocation utility
+ *
+ * @param cache - OCF cache instance
+ * @return Operation status 0 - successful, non-zero failure
+ */
+int ocf_req_allocator_init(struct ocf_ctx *ocf_ctx);
+
+/**
+ * @brief De-initialize OCF request allocation utility
+ *
+ * @param cache - OCF cache instance
+ */
+void ocf_req_allocator_deinit(struct ocf_ctx *ocf_ctx);
+
+/**
+ * @brief Allocate new OCF request
+ *
+ * @param queue - I/O queue handle
+ * @param core - OCF core instance
+ * @param addr - LBA of request
+ * @param bytes - number of bytes of request
+ * @param rw - Read or Write
+ *
+ * @return new OCF request
+ */
+struct ocf_request *ocf_req_new(ocf_queue_t queue, ocf_core_t core,
+		uint64_t addr, uint32_t bytes, int rw);
+
+/**
+ * @brief Allocate OCF request map
+ *
+ * @param req OCF request
+ *
+ * @retval 0 Allocation succeed
+ * @retval non-zero Allocation failed
+ */
+int ocf_req_alloc_map(struct ocf_request *req);
+
+/**
+ * @brief Allocate new OCF request with NOIO map allocation for huge request
+ *
+ * @param queue - I/O queue handle
+ * @param core - OCF core instance
+ * @param addr - LBA of request
+ * @param bytes - number of bytes of request
+ * @param rw - Read or Write
+ *
+ * @return new OCF request
+ */
+
+struct ocf_request *ocf_req_new_extended(ocf_queue_t queue, ocf_core_t core,
+		uint64_t addr, uint32_t bytes, int rw);
+
+/**
+ * @brief Allocate new OCF request for DISCARD operation
+ *
+ * @param queue - I/O queue handle
+ * @param core - OCF core instance
+ * @param addr - LBA of request
+ * @param bytes - number of bytes of request
+ * @param rw - Read or Write
+ *
+ * @return new OCF request
+ */
+struct ocf_request *ocf_req_new_discard(ocf_queue_t queue, ocf_core_t core,
+		uint64_t addr, uint32_t bytes, int rw);
+
+/**
+ * @brief Increment OCF request reference count
+ *
+ * @param req - OCF request
+ */
+void ocf_req_get(struct ocf_request *req);
+
+/**
+ * @brief Decrement OCF request reference. If reference is 0 then request will
+ * be deallocated
+ *
+ * @param req - OCF request
+ */
+void ocf_req_put(struct ocf_request *req);
+
+/**
+ * @brief Clear OCF request info
+ *
+ * @param req - OCF request
+ */
+void ocf_req_clear_info(struct ocf_request *req);
+
+/**
+ * @brief Clear OCF request map
+ *
+ * @param req - OCF request
+ */
+void ocf_req_clear_map(struct ocf_request *req);
+
+/**
+ * @brief Clear OCF request
+ *
+ * @param req - OCF request
+ */
+static inline void ocf_req_clear(struct ocf_request *req)
+{
+	ocf_req_clear_info(req);
+	ocf_req_clear_map(req);
+
+	env_atomic_set(&req->lock_remaining, 0);
+	env_atomic_set(&req->req_remaining, 0);
+}
+
+/**
+ * @brief Return OCF request reference count
+ *
+ * @param req - OCF request
+ * @return OCF request reference count
+ */
+static inline int ocf_req_ref_count(struct ocf_request *req)
+{
+	return env_atomic_read(&req->ref_count);
+}
+
+static inline bool ocf_req_is_4k(uint64_t addr, uint32_t bytes)
+{
+	return !((addr % PAGE_SIZE) || (bytes % PAGE_SIZE));
+}
+
+#endif /* __OCF_REQUEST_H__ */
diff --git a/src/ocf_utils.c b/src/ocf_utils.c
deleted file mode 100644
index fb6a651..0000000
--- a/src/ocf_utils.c
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * Copyright(c) 2012-2018 Intel Corporation
- * SPDX-License-Identifier: BSD-3-Clause-Clear
- */
-
-#include "ocf/ocf.h"
-#include "ocf_cache_priv.h"
-#include "utils/utils_req.h"
-#include "ocf_utils.h"
-#include "ocf_ctx_priv.h"
-
-int ocf_utils_init(struct ocf_ctx *ocf_ctx)
-{
-	return ocf_req_allocator_init(ocf_ctx);
-}
-
-void ocf_utils_deinit(struct ocf_ctx *ocf_ctx)
-{
-	ocf_req_allocator_deinit(ocf_ctx);
-}
diff --git a/src/ocf_utils.h b/src/ocf_utils.h
deleted file mode 100644
index 96ef656..0000000
--- a/src/ocf_utils.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * Copyright(c) 2012-2018 Intel Corporation
- * SPDX-License-Identifier: BSD-3-Clause-Clear
- */
-
-#ifndef OCF_UTILS_H_
-#define OCF_UTILS_H_
-
-int ocf_utils_init(struct ocf_ctx *ocf_ctx);
-
-void ocf_utils_deinit(struct ocf_ctx *ocf_ctx);
-
-#endif /* OCF_UTILS_H_ */
diff --git a/src/utils/utils_cleaner.c b/src/utils/utils_cleaner.c
index bdfd40f..0fe500f 100644
--- a/src/utils/utils_cleaner.c
+++ b/src/utils/utils_cleaner.c
@@ -7,9 +7,9 @@
 #include "../engine/cache_engine.h"
 #include "../engine/engine_common.h"
 #include "../concurrency/ocf_concurrency.h"
+#include "../ocf_request.h"
 #include "utils_cleaner.h"
 #include "utils_part.h"
-#include "utils_req.h"
 #include "utils_io.h"
 #include "utils_cache_line.h"
 
diff --git a/src/utils/utils_pipeline.c b/src/utils/utils_pipeline.c
index 79496e0..1676898 100644
--- a/src/utils/utils_pipeline.c
+++ b/src/utils/utils_pipeline.c
@@ -1,8 +1,8 @@
 #include "ocf/ocf.h"
 #include "../engine/cache_engine.h"
 #include "../engine/engine_common.h"
+#include "../ocf_request.h"
 #include "utils_pipeline.h"
-#include "utils_req.h"
 
 struct ocf_pipeline {
 	struct ocf_pipeline_properties *properties;
diff --git a/src/utils/utils_req.h b/src/utils/utils_req.h
deleted file mode 100644
index c53b878..0000000
--- a/src/utils/utils_req.h
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * Copyright(c) 2012-2018 Intel Corporation
- * SPDX-License-Identifier: BSD-3-Clause-Clear
- */
-
-#ifndef UTILS_RQ_H_
-#define UTILS_RQ_H_
-
-#include "../ocf_request.h"
-
-/**
- * @file utils_req.h
- * @brief OCF request allocation utilities
- */
-
-struct ocf_req_allocator;
-
-/**
- * @brief Initialize OCF request allocation utility
- *
- * @param cache - OCF cache instance
- * @return Operation status 0 - successful, non-zero failure
- */
-int ocf_req_allocator_init(struct ocf_ctx *ocf_ctx);
-
-/**
- * @brief De-initialize OCF request allocation utility
- *
- * @param cache - OCF cache instance
- */
-void ocf_req_allocator_deinit(struct ocf_ctx *ocf_ctx);
-
-/**
- * @brief Allocate new OCF request
- *
- * @param queue - I/O queue handle
- * @param core - OCF core instance
- * @param addr - LBA of request
- * @param bytes - number of bytes of request
- * @param rw - Read or Write
- *
- * @return new OCF request
- */
-struct ocf_request *ocf_req_new(ocf_queue_t queue, ocf_core_t core,
-		uint64_t addr, uint32_t bytes, int rw);
-
-/**
- * @brief Allocate OCF request map
- *
- * @param req OCF request
- *
- * @retval 0 Allocation succeed
- * @retval non-zero Allocation failed
- */
-int ocf_req_alloc_map(struct ocf_request *req);
-
-/**
- * @brief Allocate new OCF request with NOIO map allocation for huge request
- *
- * @param queue - I/O queue handle
- * @param core - OCF core instance
- * @param addr - LBA of request
- * @param bytes - number of bytes of request
- * @param rw - Read or Write
- *
- * @return new OCF request
- */
-
-struct ocf_request *ocf_req_new_extended(ocf_queue_t queue, ocf_core_t core,
-		uint64_t addr, uint32_t bytes, int rw);
-
-/**
- * @brief Allocate new OCF request for DISCARD operation
- *
- * @param queue - I/O queue handle
- * @param core - OCF core instance
- * @param addr - LBA of request
- * @param bytes - number of bytes of request
- * @param rw - Read or Write
- *
- * @return new OCF request
- */
-struct ocf_request *ocf_req_new_discard(ocf_queue_t queue, ocf_core_t core,
-		uint64_t addr, uint32_t bytes, int rw);
-
-/**
- * @brief Increment OCF request reference count
- *
- * @param req - OCF request
- */
-void ocf_req_get(struct ocf_request *req);
-
-/**
- * @brief Decrement OCF request reference. If reference is 0 then request will
- * be deallocated
- *
- * @param req - OCF request
- */
-void ocf_req_put(struct ocf_request *req);
-
-/**
- * @brief Clear OCF request info
- *
- * @param req - OCF request
- */
-void ocf_req_clear_info(struct ocf_request *req);
-
-/**
- * @brief Clear OCF request map
- *
- * @param req - OCF request
- */
-void ocf_req_clear_map(struct ocf_request *req);
-
-/**
- * @brief Clear OCF request
- *
- * @param req - OCF request
- */
-static inline void ocf_req_clear(struct ocf_request *req)
-{
-	ocf_req_clear_info(req);
-	ocf_req_clear_map(req);
-
-	env_atomic_set(&req->lock_remaining, 0);
-	env_atomic_set(&req->req_remaining, 0);
-}
-
-/**
- * @brief Return OCF request reference count
- *
- * @param req - OCF request
- * @return OCF request reference count
- */
-static inline int ocf_req_ref_count(struct ocf_request *req)
-{
-	return env_atomic_read(&req->ref_count);
-}
-
-static inline bool ocf_req_is_4k(uint64_t addr, uint32_t bytes)
-{
-	return !((addr % PAGE_SIZE) || (bytes % PAGE_SIZE));
-}
-
-#endif /* UTILS_RQ_H_ */
diff --git a/tests/unit/tests/mngt/ocf_mngt_cache.c/_cache_mng_set_cache_mode_test.c b/tests/unit/tests/mngt/ocf_mngt_cache.c/_cache_mng_set_cache_mode_test.c
index 69e283c..61b1920 100644
--- a/tests/unit/tests/mngt/ocf_mngt_cache.c/_cache_mng_set_cache_mode_test.c
+++ b/tests/unit/tests/mngt/ocf_mngt_cache.c/_cache_mng_set_cache_mode_test.c
@@ -35,7 +35,6 @@
 #include "../utils/utils_io.h"
 #include "../utils/utils_cache_line.h"
 #include "../utils/utils_pipeline.h"
-#include "../ocf_utils.h"
 #include "../concurrency/ocf_concurrency.h"
 #include "../eviction/ops.h"
 #include "../ocf_ctx_priv.h"
diff --git a/tests/unit/tests/mngt/ocf_mngt_cache.c/ocf_mngt_cache_set_fallback_pt_error_threshold.c b/tests/unit/tests/mngt/ocf_mngt_cache.c/ocf_mngt_cache_set_fallback_pt_error_threshold.c
index d9e11b7..996ceee 100644
--- a/tests/unit/tests/mngt/ocf_mngt_cache.c/ocf_mngt_cache_set_fallback_pt_error_threshold.c
+++ b/tests/unit/tests/mngt/ocf_mngt_cache.c/ocf_mngt_cache_set_fallback_pt_error_threshold.c
@@ -30,7 +30,6 @@
 #include "../utils/utils_io.h"
 #include "../utils/utils_cache_line.h"
 #include "../utils/utils_pipeline.h"
-#include "../ocf_utils.h"
 #include "../concurrency/ocf_concurrency.h"
 #include "../eviction/ops.h"
 #include "../ocf_ctx_priv.h"