diff --git a/src/main/java/com/epam/ta/reportportal/ws/model/BulkInfoUpdateRQ.java b/src/main/java/com/epam/ta/reportportal/ws/model/BulkInfoUpdateRQ.java
deleted file mode 100644
index 8504fc97..00000000
--- a/src/main/java/com/epam/ta/reportportal/ws/model/BulkInfoUpdateRQ.java
+++ /dev/null
@@ -1,91 +0,0 @@
-/*
- * Copyright 2019 EPAM Systems
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.epam.ta.reportportal.ws.model;
-
-import com.epam.ta.reportportal.ws.model.attribute.UpdateItemAttributeRQ;
-import java.util.List;
-import javax.validation.Valid;
-import javax.validation.constraints.NotNull;
-import javax.validation.constraints.Size;
-
-/**
- * @author Ihar Kahadouski
- */
-public class BulkInfoUpdateRQ {
-
- @NotNull
- @Size(min = 1)
- private List ids;
-
- private Description description;
-
- @Valid
- private List attributes;
-
- public List getIds() {
- return ids;
- }
-
- public void setIds(List ids) {
- this.ids = ids;
- }
-
- public Description getDescription() {
- return description;
- }
-
- public void setDescription(Description description) {
- this.description = description;
- }
-
- public List getAttributes() {
- return attributes;
- }
-
- public void setAttributes(List attributes) {
- this.attributes = attributes;
- }
-
- public enum Action {
- DELETE,
- UPDATE,
- CREATE
- }
-
- public static class Description {
-
- String comment;
-
- Action action;
-
- public String getComment() {
- return comment;
- }
-
- public void setComment(String comment) {
- this.comment = comment;
- }
-
- public Action getAction() {
- return action;
- }
-
- public void setAction(Action action) {
- this.action = action;
- }
- }
-}
diff --git a/src/main/java/com/epam/ta/reportportal/ws/model/attribute/ItemAttributeResource.java b/src/main/java/com/epam/ta/reportportal/ws/model/attribute/ItemAttributeResource.java
deleted file mode 100644
index 956e0e5e..00000000
--- a/src/main/java/com/epam/ta/reportportal/ws/model/attribute/ItemAttributeResource.java
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * Copyright 2019 EPAM Systems
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.epam.ta.reportportal.ws.model.attribute;
-
-import static com.epam.ta.reportportal.ws.model.ValidationConstraints.MIN_ITEM_ATTRIBUTE_VALUE_LENGTH;
-
-import java.io.Serializable;
-import javax.validation.constraints.NotBlank;
-import javax.validation.constraints.Size;
-
-/**
- * @author Ihar Kahadouski
- */
-public class ItemAttributeResource implements Serializable {
-
- private String key;
-
- @NotBlank
- @Size(min = MIN_ITEM_ATTRIBUTE_VALUE_LENGTH)
- private String value;
-
- public ItemAttributeResource() {
- }
-
- public ItemAttributeResource(String key, String value) {
- this.key = key;
- this.value = value;
- }
-
- public String getKey() {
- return key;
- }
-
- public void setKey(String key) {
- this.key = key;
- }
-
- public String getValue() {
- return value;
- }
-
- public void setValue(String value) {
- this.value = value;
- }
-
- @Override
- public String toString() {
- return "ItemAttributeResource{" + "key='" + key + '\''
- + ", value='" + value + '\''
- + '}';
- }
-
- @Override
- public boolean equals(Object o) {
- if (this == o) {
- return true;
- }
- if (o == null || getClass() != o.getClass()) {
- return false;
- }
-
- ItemAttributeResource that = (ItemAttributeResource) o;
-
- if (key != null ? !key.equals(that.key) : that.key != null) {
- return false;
- }
- return value != null ? value.equals(that.value) : that.value == null;
- }
-
- @Override
- public int hashCode() {
- int result = key != null ? key.hashCode() : 0;
- result = 31 * result + (value != null ? value.hashCode() : 0);
- return result;
- }
-}
diff --git a/src/main/java/com/epam/ta/reportportal/ws/model/attribute/UpdateItemAttributeRQ.java b/src/main/java/com/epam/ta/reportportal/ws/model/attribute/UpdateItemAttributeRQ.java
deleted file mode 100644
index 84e68ca9..00000000
--- a/src/main/java/com/epam/ta/reportportal/ws/model/attribute/UpdateItemAttributeRQ.java
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Copyright 2019 EPAM Systems
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.epam.ta.reportportal.ws.model.attribute;
-
-import com.epam.ta.reportportal.ws.model.BulkInfoUpdateRQ;
-import javax.validation.Valid;
-
-/**
- * @author Ihar Kahadouski
- */
-public class UpdateItemAttributeRQ {
-
- @Valid
- private ItemAttributeResource from;
-
- @Valid
- private ItemAttributeResource to;
-
- private BulkInfoUpdateRQ.Action action;
-
- public ItemAttributeResource getFrom() {
- return from;
- }
-
- public void setFrom(ItemAttributeResource from) {
- this.from = from;
- }
-
- public ItemAttributeResource getTo() {
- return to;
- }
-
- public void setTo(ItemAttributeResource to) {
- this.to = to;
- }
-
- public BulkInfoUpdateRQ.Action getAction() {
- return action;
- }
-
- public void setAction(BulkInfoUpdateRQ.Action action) {
- this.action = action;
- }
-}