diff --git a/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/tests/customerSmoke/CreateCustomerTest.java b/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/tests/customerSmoke/CreateCustomerTest.java
index 0f1ee5ac58..50aac8de11 100644
--- a/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/tests/customerSmoke/CreateCustomerTest.java
+++ b/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/tests/customerSmoke/CreateCustomerTest.java
@@ -114,24 +114,6 @@ public class CreateCustomerTest extends AbstractDriverBaseTest {
         Assert.assertEquals(customerPage.getCustomerCity(), text);
     }
 
-    @Test(priority = 20, groups = "smoke")
-    @Description
-    public void createCustomerAddAndRemovePhoneNumber() {
-        String customerName = ENTITY_NAME;
-        String number = "12015550123";
-
-        sideBarMenuView.customerBtn().click();
-        customerPage.plusBtn().click();
-        customerPage.titleFieldAddEntityView().sendKeys(customerName);
-        customerPage.phoneNumberAddEntityView().sendKeys(number);
-        customerPage.phoneNumberAddEntityView().clear();
-        customerPage.addBtnC().click();
-        this.customerName = customerName;
-        customerPage.entity(customerName).click();
-
-        Assert.assertEquals(customerPage.phoneNumberEntityView().getAttribute("value"), "");
-    }
-
     @Test(priority = 20, groups = "smoke")
     @Description
     public void createCustomerWithoutName() {
diff --git a/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/tests/customerSmoke/CustomerEditMenuTest.java b/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/tests/customerSmoke/CustomerEditMenuTest.java
index 778cd69dc6..66a5bd5004 100644
--- a/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/tests/customerSmoke/CustomerEditMenuTest.java
+++ b/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/tests/customerSmoke/CustomerEditMenuTest.java
@@ -16,7 +16,6 @@
 package org.thingsboard.server.msa.ui.tests.customerSmoke;
 
 import io.qameta.allure.Description;
-import org.openqa.selenium.Keys;
 import org.testng.Assert;
 import org.testng.annotations.AfterMethod;
 import org.testng.annotations.BeforeMethod;
@@ -241,24 +240,6 @@ public class CustomerEditMenuTest extends AbstractDriverBaseTest {
         Assert.assertTrue(customerPage.phoneNumberEntityView().getAttribute("value").contains(number));
     }
 
-    @Test(priority = 20, groups = "smoke")
-    @Description
-    public void deletePhoneNumber() {
-        String customerName = ENTITY_NAME;
-        String number = "+12015550123";
-        testRestClient.postCustomer(defaultCustomerPrototype(customerName, number));
-        this.customerName = customerName;
-
-        sideBarMenuView.customerBtn().click();
-        customerPage.entity(customerName).click();
-        customerPage.editPencilBtn().click();
-        customerPage.phoneNumberEntityView().click();
-        customerPage.phoneNumberEntityView().sendKeys(Keys.CONTROL + "A" + Keys.BACK_SPACE);
-        customerPage.doneBtnEditView().click();
-
-        Assert.assertEquals(customerPage.phoneNumberEntityView().getAttribute("value"), "");
-    }
-
     @Test(priority = 20, groups = "smoke", dataProviderClass = DataProviderCredential.class, dataProvider = "incorrectPhoneNumber")
     @Description
     public void addIncorrectPhoneNumber(String number) {
diff --git a/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/utils/EntityPrototypes.java b/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/utils/EntityPrototypes.java
index 1398a2ca44..5fcfe8f4f9 100644
--- a/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/utils/EntityPrototypes.java
+++ b/msa/black-box-tests/src/test/java/org/thingsboard/server/msa/ui/utils/EntityPrototypes.java
@@ -26,13 +26,6 @@ public class EntityPrototypes {
         return customer;
     }
 
-    public static Customer defaultCustomerPrototype(String entityName, String phoneNumber){
-        Customer customer = new Customer();
-        customer.setTitle(entityName);
-        customer.setPhone(phoneNumber);
-        return customer;
-    }
-
     public static RuleChain defaultRuleChainPrototype(String entityName){
         RuleChain ruleChain = new RuleChain();
         ruleChain.setName(entityName);