diff --git a/spring-cloud-commons/pom.xml b/spring-cloud-commons/pom.xml
index 462b60f4..0a8fc317 100644
--- a/spring-cloud-commons/pom.xml
+++ b/spring-cloud-commons/pom.xml
@@ -66,8 +66,6 @@
 	</build>
 
 	<properties>
-		<okhttp3.version>3.6.0</okhttp3.version>
-		<apachehttpclient.version>4.5.4</apachehttpclient.version>
 		<evictor.version>1.0.0</evictor.version>
 	</properties>
 	<dependencies>
@@ -139,19 +137,16 @@
 		<dependency>
 			<groupId>com.squareup.okhttp3</groupId>
 			<artifactId>okhttp</artifactId>
-			<version>${okhttp3.version}</version>
 			<optional>true</optional>
 		</dependency>
 		<dependency>
 			<groupId>com.squareup.okhttp3</groupId>
 			<artifactId>logging-interceptor</artifactId>
-			<version>${okhttp3.version}</version>
 			<optional>true</optional>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
-			<version>${apachehttpclient.version}</version>
 			<optional>true</optional>
 		</dependency>
 		<dependency>
diff --git a/spring-cloud-commons/src/test/java/org/springframework/cloud/commons/httpclient/DefaultApacheHttpClientConnectionManagerFactoryTests.java b/spring-cloud-commons/src/test/java/org/springframework/cloud/commons/httpclient/DefaultApacheHttpClientConnectionManagerFactoryTests.java
index 40da4b2d..e97334ac 100644
--- a/spring-cloud-commons/src/test/java/org/springframework/cloud/commons/httpclient/DefaultApacheHttpClientConnectionManagerFactoryTests.java
+++ b/spring-cloud-commons/src/test/java/org/springframework/cloud/commons/httpclient/DefaultApacheHttpClientConnectionManagerFactoryTests.java
@@ -41,37 +41,35 @@ import static org.assertj.core.api.BDDAssertions.then;
 public class DefaultApacheHttpClientConnectionManagerFactoryTests {
 
 	@Test
-	public void newConnectionManager() throws Exception {
+	public void newConnectionManager() {
 		HttpClientConnectionManager connectionManager = new DefaultApacheHttpClientConnectionManagerFactory()
 				.newConnectionManager(false, 2, 6);
 		then(((PoolingHttpClientConnectionManager) connectionManager)
 				.getDefaultMaxPerRoute()).isEqualTo(6);
 		then(((PoolingHttpClientConnectionManager) connectionManager).getMaxTotal())
 				.isEqualTo(2);
-		Object pool = getField(((PoolingHttpClientConnectionManager) connectionManager),
-				"pool");
+		Object pool = getField((connectionManager), "pool");
 		then((Long) getField(pool, "timeToLive")).isEqualTo(new Long(-1));
-		TimeUnit timeUnit = getField(pool, "tunit");
+		TimeUnit timeUnit = getField(pool, "timeUnit");
 		then(timeUnit).isEqualTo(TimeUnit.MILLISECONDS);
 	}
 
 	@Test
-	public void newConnectionManagerWithTTL() throws Exception {
+	public void newConnectionManagerWithTTL() {
 		HttpClientConnectionManager connectionManager = new DefaultApacheHttpClientConnectionManagerFactory()
 				.newConnectionManager(false, 2, 6, 56L, TimeUnit.DAYS, null);
 		then(((PoolingHttpClientConnectionManager) connectionManager)
 				.getDefaultMaxPerRoute()).isEqualTo(6);
 		then(((PoolingHttpClientConnectionManager) connectionManager).getMaxTotal())
 				.isEqualTo(2);
-		Object pool = getField(((PoolingHttpClientConnectionManager) connectionManager),
-				"pool");
+		Object pool = getField((connectionManager), "pool");
 		then((Long) getField(pool, "timeToLive")).isEqualTo(new Long(56));
-		TimeUnit timeUnit = getField(pool, "tunit");
+		TimeUnit timeUnit = getField(pool, "timeUnit");
 		then(timeUnit).isEqualTo(TimeUnit.DAYS);
 	}
 
 	@Test
-	public void newConnectionManagerWithSSL() throws Exception {
+	public void newConnectionManagerWithSSL() {
 		HttpClientConnectionManager connectionManager = new DefaultApacheHttpClientConnectionManagerFactory()
 				.newConnectionManager(false, 2, 6);
 
@@ -82,7 +80,7 @@ public class DefaultApacheHttpClientConnectionManagerFactoryTests {
 	}
 
 	@Test
-	public void newConnectionManagerWithDisabledSSLValidation() throws Exception {
+	public void newConnectionManagerWithDisabledSSLValidation() {
 		HttpClientConnectionManager connectionManager = new DefaultApacheHttpClientConnectionManagerFactory()
 				.newConnectionManager(true, 2, 6);
 
@@ -112,6 +110,10 @@ public class DefaultApacheHttpClientConnectionManagerFactoryTests {
 	@SuppressWarnings("unchecked")
 	protected <T> T getField(Object target, String name) {
 		Field field = ReflectionUtils.findField(target.getClass(), name);
+		if (field == null) {
+			throw new IllegalArgumentException(
+					"Can not find field " + name + " in " + target.getClass());
+		}
 		ReflectionUtils.makeAccessible(field);
 		Object value = ReflectionUtils.getField(field, target);
 		return (T) value;
diff --git a/spring-cloud-commons/src/test/java/org/springframework/cloud/commons/httpclient/DefaultOkHttpClientConnectionPoolFactoryTest.java b/spring-cloud-commons/src/test/java/org/springframework/cloud/commons/httpclient/DefaultOkHttpClientConnectionPoolFactoryTest.java
index 8fe2e2c4..a68c4ff8 100644
--- a/spring-cloud-commons/src/test/java/org/springframework/cloud/commons/httpclient/DefaultOkHttpClientConnectionPoolFactoryTest.java
+++ b/spring-cloud-commons/src/test/java/org/springframework/cloud/commons/httpclient/DefaultOkHttpClientConnectionPoolFactoryTest.java
@@ -20,6 +20,7 @@ import java.lang.reflect.Field;
 import java.util.concurrent.TimeUnit;
 
 import okhttp3.ConnectionPool;
+import okhttp3.internal.connection.RealConnectionPool;
 import org.junit.Test;
 
 import org.springframework.util.ReflectionUtils;
@@ -32,18 +33,23 @@ import static org.assertj.core.api.BDDAssertions.then;
 public class DefaultOkHttpClientConnectionPoolFactoryTest {
 
 	@Test
-	public void create() throws Exception {
+	public void create() {
 		DefaultOkHttpClientConnectionPoolFactory connectionPoolFactory = new DefaultOkHttpClientConnectionPoolFactory();
 		ConnectionPool connectionPool = connectionPoolFactory.create(2, 3,
 				TimeUnit.MILLISECONDS);
-		int idleConnections = getField(connectionPool, "maxIdleConnections");
-		long keepAliveDuration = getField(connectionPool, "keepAliveDurationNs");
+		RealConnectionPool delegate = getField(connectionPool, "delegate");
+		int idleConnections = getField(delegate, "maxIdleConnections");
+		long keepAliveDuration = getField(delegate, "keepAliveDurationNs");
 		then(idleConnections).isEqualTo(2);
 		then(keepAliveDuration).isEqualTo(TimeUnit.MILLISECONDS.toNanos(3));
 	}
 
 	protected <T> T getField(Object target, String name) {
 		Field field = ReflectionUtils.findField(target.getClass(), name);
+		if (field == null) {
+			throw new IllegalArgumentException(
+					"Can not find field " + name + " in " + target.getClass());
+		}
 		ReflectionUtils.makeAccessible(field);
 		Object value = ReflectionUtils.getField(field, target);
 		return (T) value;