diff --git a/open-liberty/src/main/java/com/baeldung/openliberty/person/resource/PersonResource.java b/open-liberty/src/main/java/com/baeldung/openliberty/person/resource/PersonResource.java
index a729805e13..506214229c 100644
--- a/open-liberty/src/main/java/com/baeldung/openliberty/person/resource/PersonResource.java
+++ b/open-liberty/src/main/java/com/baeldung/openliberty/person/resource/PersonResource.java
@@ -4,9 +4,9 @@ import java.util.Set;
 
 import javax.enterprise.context.RequestScoped;
 import javax.inject.Inject;
-import javax.validation.Validator;
-import javax.validation.ConstraintViolation;
 import javax.transaction.Transactional;
+import javax.validation.ConstraintViolation;
+import javax.validation.Validator;
 import javax.ws.rs.Consumes;
 import javax.ws.rs.GET;
 import javax.ws.rs.POST;
diff --git a/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/PersonClient.java b/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/PersonClient.java
index 205df8e24b..de17e0e62e 100644
--- a/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/PersonClient.java
+++ b/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/PersonClient.java
@@ -2,19 +2,16 @@ package com.baeldung.openliberty.rest.consumes;
 
 import javax.ws.rs.GET;
 import javax.ws.rs.Path;
-import javax.ws.rs.ProcessingException;
 import javax.ws.rs.Produces;
 import javax.ws.rs.core.MediaType;
 
-import org.eclipse.microprofile.rest.client.annotation.RegisterProvider;
 import org.eclipse.microprofile.rest.client.inject.RegisterRestClient;
 
 @RegisterRestClient(configKey = "personClient", baseUri = "http://localhost:9080/")
-@RegisterProvider(UriNotFoundExceptionMapper.class)
-@Path("/api/person/1")
-public interface PersonClient extends AutoCloseable {
+public interface PersonClient {
 
     @GET
+    @Path("/api/person")
     @Produces(MediaType.APPLICATION_JSON)
-    public String getPerson() throws UriNotFoundException, ProcessingException;
+    public String getPerson();
 }
diff --git a/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/RestConsumer.java b/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/RestConsumer.java
index 63496fb4e4..65199c1d9c 100644
--- a/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/RestConsumer.java
+++ b/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/RestConsumer.java
@@ -2,7 +2,6 @@ package com.baeldung.openliberty.rest.consumes;
 
 import java.net.URI;
 
-import javax.ws.rs.ProcessingException;
 import javax.ws.rs.client.Client;
 import javax.ws.rs.client.ClientBuilder;
 import javax.ws.rs.core.Response;
@@ -20,12 +19,11 @@ public class RestConsumer {
         return result;
     }
 
-    public static String consumeWithRestBuilder(String targetUrl) throws ProcessingException, UriNotFoundException {
+    public static String consumeWithRestBuilder(String targetUrl) {
         URI target = URI.create(targetUrl);;
         PersonClient person = RestClientBuilder.newBuilder()
-            .baseUri(target)
-            .register(UriNotFoundExceptionMapper.class)
-            .build(PersonClient.class);
+          .baseUri(target)
+          .build(PersonClient.class);
         return person.getPerson();
     }
 
diff --git a/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/UriNotFoundException.java b/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/UriNotFoundException.java
deleted file mode 100644
index a803b43bb4..0000000000
--- a/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/UriNotFoundException.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package com.baeldung.openliberty.rest.consumes;
-
-public class UriNotFoundException extends Exception {
-
-    private static final long serialVersionUID = 1L;
-
-    public UriNotFoundException() {
-        super();
-    }
-
-    public UriNotFoundException(String message) {
-        super(message);
-    }
-}
diff --git a/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/UriNotFoundExceptionMapper.java b/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/UriNotFoundExceptionMapper.java
deleted file mode 100644
index 728c4415b3..0000000000
--- a/open-liberty/src/main/java/com/baeldung/openliberty/rest/consumes/UriNotFoundExceptionMapper.java
+++ /dev/null
@@ -1,23 +0,0 @@
-package com.baeldung.openliberty.rest.consumes;
-
-import java.util.logging.Logger;
-import javax.ws.rs.core.MultivaluedMap;
-import javax.ws.rs.core.Response;
-import javax.ws.rs.ext.Provider;
-import org.eclipse.microprofile.rest.client.ext.ResponseExceptionMapper;
-
-@Provider
-public class UriNotFoundExceptionMapper implements ResponseExceptionMapper<UriNotFoundException> {
-    Logger LOG = Logger.getLogger(UriNotFoundException.class.getName());
-
-    @Override
-    public boolean handles(int status, MultivaluedMap<String, Object> headers) {
-        LOG.info("status = " + status);
-        return status == 404;
-    }
-
-    @Override
-    public UriNotFoundException toThrowable(Response response) {
-        return new UriNotFoundException();
-    }
-}
diff --git a/open-liberty/src/main/liberty/config/server.xml b/open-liberty/src/main/liberty/config/server.xml
index 567d6f3e33..162f4f8261 100644
--- a/open-liberty/src/main/liberty/config/server.xml
+++ b/open-liberty/src/main/liberty/config/server.xml
@@ -8,7 +8,6 @@
         <feature>cdi-2.0</feature>
         <feature>jpa-2.2</feature>
         <feature>beanValidation-2.0</feature>
-        <feature>mpConfig-1.3</feature>
         <feature>mpRestClient-1.3</feature>
     </featureManager>
 
diff --git a/open-liberty/src/test/java/com/baeldung/openliberty/RestClientTest.java b/open-liberty/src/test/java/com/baeldung/openliberty/RestClientTest.java
index 9f7b4cd05d..6bc0d71d8f 100644
--- a/open-liberty/src/test/java/com/baeldung/openliberty/RestClientTest.java
+++ b/open-liberty/src/test/java/com/baeldung/openliberty/RestClientTest.java
@@ -3,19 +3,17 @@ package com.baeldung.openliberty;
 import static org.junit.Assert.assertEquals;
 
 import javax.json.bind.JsonbBuilder;
-import javax.ws.rs.ProcessingException;
 
 import org.junit.BeforeClass;
 import org.junit.Test;
 
 import com.baeldung.openliberty.person.model.Person;
 import com.baeldung.openliberty.rest.consumes.RestConsumer;
-import com.baeldung.openliberty.rest.consumes.UriNotFoundException;
 
 public class RestClientTest {
 
     private static String BASE_URL;
-    
+
     private final String PERSON = "api/person";
 
     @BeforeClass
@@ -24,24 +22,20 @@ public class RestClientTest {
     }
 
     @Test
-    public void testSuite() throws ProcessingException, UriNotFoundException {
-        this.testJsonBClientBuilder();
-        this.testRestClientBuilder();
-    }
-
-    public void testJsonBClientBuilder() {
+    public void whenConsumeWithJsonb_thenGetPerson() {
         String url = BASE_URL + "/" + PERSON + "/1";
         String result = RestConsumer.consumeWithJsonb(url);        
-        
+
         Person person = JsonbBuilder.create().fromJson(result, Person.class);
         assert person.getId() == 1;
         assertEquals(person.getUsername(), "normanlewis");
         assertEquals(person.getEmail(), "normanlewis@email.com");
     }
-    
-    public void testRestClientBuilder() throws ProcessingException, UriNotFoundException {
+
+    @Test
+    public void whenConsumeWithRestBuilder_thenGetPerson() {
         String result = RestConsumer.consumeWithRestBuilder(BASE_URL);        
-        
+
         Person person = JsonbBuilder.create().fromJson(result, Person.class);
         assert person.getId() == 1;
         assertEquals(person.getUsername(), "normanlewis");
diff --git a/open-liberty/src/webapp/META-INF/microprofile-config.properties b/open-liberty/src/webapp/META-INF/microprofile-config.properties
deleted file mode 100644
index 5488d9a4f6..0000000000
--- a/open-liberty/src/webapp/META-INF/microprofile-config.properties
+++ /dev/null
@@ -1 +0,0 @@
-personClient/mp-rest/uri=http://localhost:9080/api/person
\ No newline at end of file