diff --git a/jackson/src/test/java/org/baeldung/jackson/field/MyDtoCustomizedPropertyName.java b/jackson/src/test/java/org/baeldung/jackson/field/MyDtoCustomizedPropertyName.java
deleted file mode 100644
index 8fbfb41cd8..0000000000
--- a/jackson/src/test/java/org/baeldung/jackson/field/MyDtoCustomizedPropertyName.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package org.baeldung.jackson.field;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-
-public class MyDtoCustomizedPropertyName {
-
-    private String stringValue;
-    private int intValue;
-    @JsonProperty("BOOLEANVALUE")
-    private boolean booleanValue;
-
-    public MyDtoCustomizedPropertyName() {
-        super();
-    }
-
-    public MyDtoCustomizedPropertyName(final String stringValue, final int intValue, final boolean booleanValue) {
-        super();
-
-        this.stringValue = stringValue;
-        this.intValue = intValue;
-        this.booleanValue = booleanValue;
-    }
-
-    // API
-
-    public String getStringValue() {
-        return stringValue;
-    }
-
-    public void setStringValue(final String stringValue) {
-        this.stringValue = stringValue;
-    }
-
-    public int getIntValue() {
-        return intValue;
-    }
-
-    public void setIntValue(final int intValue) {
-        this.intValue = intValue;
-    }
-
-    public boolean getBooleanValue() {
-        return booleanValue;
-    }
-
-    public void setBooleanValue(final boolean booleanValue) {
-        this.booleanValue = booleanValue;
-    }
-
-}
diff --git a/jackson/src/test/java/org/baeldung/jackson/field/User.java b/jackson/src/test/java/org/baeldung/jackson/field/User.java
deleted file mode 100644
index 1210fd992e..0000000000
--- a/jackson/src/test/java/org/baeldung/jackson/field/User.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package org.baeldung.jackson.field;
-
-import com.fasterxml.jackson.annotation.JsonIgnore;
-import com.fasterxml.jackson.annotation.JsonProperty;
-
-public class User {
-
-    private int id;
-    private String name;
-    @JsonIgnore
-    private String password;
-
-    public User() {
-        super();
-    }
-
-    public User(final int id, final String name, final String password) {
-        this.id = id;
-        this.name = name;
-        this.password = password;
-    }
-
-    // API
-    public int getId() {
-        return id;
-    }
-
-    public void setId(final int id) {
-        this.id = id;
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public void setName(final String name) {
-        this.name = name;
-    }
-
-    @JsonIgnore
-    public String getPassword() {
-        return password;
-    }
-
-    @JsonProperty
-    public void setPassword(final String password) {
-        this.password = password;
-    }
-
-}
diff --git a/jackson/src/test/java/org/baeldung/jackson/test/JacksonFieldUnitTest.java b/jackson/src/test/java/org/baeldung/jackson/test/JacksonFieldUnitTest.java
index 7cb14c4151..a7394d9129 100644
--- a/jackson/src/test/java/org/baeldung/jackson/test/JacksonFieldUnitTest.java
+++ b/jackson/src/test/java/org/baeldung/jackson/test/JacksonFieldUnitTest.java
@@ -9,14 +9,13 @@ import static org.junit.Assert.assertThat;
 import java.io.IOException;
 
 import org.baeldung.jackson.field.MyDtoAccessLevel;
-import org.baeldung.jackson.field.MyDtoCustomizedPropertyName;
 import org.baeldung.jackson.field.MyDtoGetter;
 import org.baeldung.jackson.field.MyDtoGetterImplicitDeserialization;
 import org.baeldung.jackson.field.MyDtoSetter;
-import org.baeldung.jackson.field.User;
 import org.junit.Test;
 
-import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
+import com.fasterxml.jackson.annotation.PropertyAccessor;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.JsonMappingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -89,59 +88,18 @@ public class JacksonFieldUnitTest {
     }
 
     @Test
-    public final void givenCustomizedPropertyName_whenFieldAnnotated_thenPropertyNameCustomizedOnSerialization() throws JsonProcessingException, JsonMappingException, IOException {
+    public final void givenDifferentAccessLevels_whenSetVisibility_thenSerializable() throws JsonProcessingException, JsonMappingException, IOException {
         final ObjectMapper mapper = new ObjectMapper();
+        mapper.setVisibility(PropertyAccessor.ALL, Visibility.NONE);
+        mapper.setVisibility(PropertyAccessor.FIELD, Visibility.ANY);
 
-        final MyDtoCustomizedPropertyName dtoObject = new MyDtoCustomizedPropertyName();
+        final MyDtoAccessLevel dtoObject = new MyDtoAccessLevel();
 
         final String dtoAsString = mapper.writeValueAsString(dtoObject);
         assertThat(dtoAsString, containsString("stringValue"));
         assertThat(dtoAsString, containsString("intValue"));
-        assertThat(dtoAsString, containsString("BOOLEANVALUE"));
-        assertThat(dtoAsString, not(containsString("booleanValue")));
+        assertThat(dtoAsString, containsString("booleanValue"));
         System.out.println(dtoAsString);
     }
 
-    @Test
-    public final void givenCustomizedPropertyName_whenFieldAnnotated_thenPropertyNameCustomizedOnDeserialization() throws JsonProcessingException, JsonMappingException, IOException {
-        final String jsonAsString = "{\"stringValue\":\"dtoString\",\"intValue\":1,\"BOOLEANVALUE\":\"true\"}";
-        final ObjectMapper mapper = new ObjectMapper();
-
-        final MyDtoCustomizedPropertyName dtoObject = mapper.readValue(jsonAsString, MyDtoCustomizedPropertyName.class);
-
-        assertNotNull(dtoObject);
-        assertThat(dtoObject.getStringValue(), equalTo("dtoString"));
-        assertThat(dtoObject.getIntValue(), equalTo(1));
-        assertThat(dtoObject.getBooleanValue(), equalTo(true));
-    }
-
-    @Test
-    public final void givenFieldIsIgnoredOnlyAtSerialization_whenUserIsSerialized_thenIgnored() throws JsonProcessingException {
-        final ObjectMapper mapper = new ObjectMapper();
-
-        final User userObject = new User();
-        userObject.setId(1);
-        userObject.setName("theUser");
-        userObject.setPassword("thePassword");
-
-        final String userAsString = mapper.writeValueAsString(userObject);
-        assertThat(userAsString, containsString("id"));
-        assertThat(userAsString, containsString("name"));
-        assertThat(userAsString, not(containsString("password")));
-        System.out.println(userAsString);
-    }
-
-    @Test
-    public final void givenFieldIsIgnoredOnlyAtSerialization_whenUserIsDeserialized_thenCorrect() throws JsonParseException, JsonMappingException, IOException {
-        final String jsonAsString = "{\"id\":1,\"name\":\"theUser\",\"password\":\"thePassword\"}";
-        final ObjectMapper mapper = new ObjectMapper();
-
-        final User userObject = mapper.readValue(jsonAsString, User.class);
-
-        assertNotNull(userObject);
-        assertThat(userObject.getId(), equalTo(1));
-        assertThat(userObject.getName(), equalTo("theUser"));
-        assertThat(userObject.getPassword(), equalTo("thePassword"));
-    }
-
 }