diff --git a/testsuite/src/test/java/io/netty/testsuite/transport/socket/AbstractSocketServerBootstrapTest.java b/testsuite/src/test/java/io/netty/testsuite/transport/socket/AbstractSocketServerBootstrapTest.java
index b4b8afd77d..74ba4e96e3 100644
--- a/testsuite/src/test/java/io/netty/testsuite/transport/socket/AbstractSocketServerBootstrapTest.java
+++ b/testsuite/src/test/java/io/netty/testsuite/transport/socket/AbstractSocketServerBootstrapTest.java
@@ -16,6 +16,17 @@
 package io.netty.testsuite.transport.socket;
 
 import static org.junit.Assert.*;
+import io.netty.bootstrap.ServerBootstrap;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelException;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.channel.ChannelPipelineException;
+import io.netty.channel.socket.SocketChannelConfig;
+import io.netty.logging.InternalLogger;
+import io.netty.logging.InternalLoggerFactory;
+import io.netty.testsuite.util.DummyHandler;
+import io.netty.util.SocketAddresses;
+import io.netty.util.internal.ExecutorUtil;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
@@ -25,22 +36,6 @@ import java.util.concurrent.Executor;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
-import io.netty.bootstrap.ClientBootstrap;
-import io.netty.bootstrap.ServerBootstrap;
-import io.netty.channel.Channel;
-import io.netty.channel.ChannelException;
-import io.netty.channel.ChannelFactory;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelPipelineException;
-import io.netty.channel.ChannelPipelineFactory;
-import io.netty.channel.ChildChannelStateEvent;
-import io.netty.channel.ServerChannelFactory;
-import io.netty.channel.SimpleChannelUpstreamHandler;
-import io.netty.channel.socket.SocketChannelConfig;
-import io.netty.testsuite.util.DummyHandler;
-import io.netty.util.SocketAddresses;
-import io.netty.util.internal.ExecutorUtil;
-
 import org.easymock.EasyMock;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
@@ -52,6 +47,9 @@ import org.junit.Test;
  */
 public abstract class AbstractSocketServerBootstrapTest {
 
+    private static final InternalLogger logger =
+            InternalLoggerFactory.getInstance(AbstractSocketServerBootstrapTest.class);
+
     private static final boolean BUFSIZE_MODIFIABLE;
 
     static {
@@ -66,12 +64,12 @@ public abstract class AbstractSocketServerBootstrapTest {
                 }
             } catch (Exception e) {
                 bufSizeModifiable = false;
-                System.err.println(
+                logger.warn(
                         "Socket.getReceiveBufferSize() does not work: " + e);
             }
         } catch (Exception e) {
             bufSizeModifiable = false;
-            System.err.println(
+            logger.warn(
                     "Socket.setReceiveBufferSize() does not work: " + e);
         } finally {
             BUFSIZE_MODIFIABLE = bufSizeModifiable;
diff --git a/testsuite/src/test/java/io/netty/testsuite/transport/socket/AbstractSocketSslEchoTest.java b/testsuite/src/test/java/io/netty/testsuite/transport/socket/AbstractSocketSslEchoTest.java
index 7134ef5610..6eb891ed0f 100644
--- a/testsuite/src/test/java/io/netty/testsuite/transport/socket/AbstractSocketSslEchoTest.java
+++ b/testsuite/src/test/java/io/netty/testsuite/transport/socket/AbstractSocketSslEchoTest.java
@@ -16,6 +16,17 @@
 package io.netty.testsuite.transport.socket;
 
 import static org.junit.Assert.*;
+import io.netty.bootstrap.ServerBootstrap;
+import io.netty.buffer.ChannelBuffer;
+import io.netty.buffer.ChannelBuffers;
+import io.netty.channel.Channel;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.ChannelHandlerContext;
+import io.netty.handler.ssl.SslHandler;
+import io.netty.logging.InternalLogger;
+import io.netty.logging.InternalLoggerFactory;
+import io.netty.util.SocketAddresses;
+import io.netty.util.internal.ExecutorUtil;
 
 import java.io.ByteArrayInputStream;
 import java.io.IOException;
@@ -41,25 +52,6 @@ import javax.net.ssl.TrustManager;
 import javax.net.ssl.TrustManagerFactorySpi;
 import javax.net.ssl.X509TrustManager;
 
-import io.netty.bootstrap.ClientBootstrap;
-import io.netty.bootstrap.ServerBootstrap;
-import io.netty.buffer.ChannelBuffer;
-import io.netty.buffer.ChannelBuffers;
-import io.netty.channel.Channel;
-import io.netty.channel.ChannelFactory;
-import io.netty.channel.ChannelFuture;
-import io.netty.channel.ChannelHandlerContext;
-import io.netty.channel.ChannelStateEvent;
-import io.netty.channel.ExceptionEvent;
-import io.netty.channel.MessageEvent;
-import io.netty.channel.SimpleChannelUpstreamHandler;
-import io.netty.handler.execution.ExecutionHandler;
-import io.netty.handler.execution.OrderedMemoryAwareThreadPoolExecutor;
-import io.netty.handler.ssl.SslHandler;
-import io.netty.logging.InternalLogger;
-import io.netty.logging.InternalLoggerFactory;
-import io.netty.util.SocketAddresses;
-import io.netty.util.internal.ExecutorUtil;
 import org.junit.AfterClass;
 import org.junit.BeforeClass;
 import org.junit.Test;
@@ -318,21 +310,13 @@ public abstract class AbstractSocketSslEchoTest {
             @Override
             public void checkClientTrusted(
                     X509Certificate[] chain, String authType) throws CertificateException {
-                // Always trust - it is an example.
-                // You should do something in the real world.
-                // You will reach here only if you enabled client certificate auth,
-                // as described in SecureChatSslContextFactory.
-                System.err.println(
-                        "UNKNOWN CLIENT CERTIFICATE: " + chain[0].getSubjectDN());
+                // NOOP
             }
 
             @Override
             public void checkServerTrusted(
                     X509Certificate[] chain, String authType) throws CertificateException {
-                // Always trust - it is an example.
-                // You should do something in the real world.
-                System.err.println(
-                        "UNKNOWN SERVER CERTIFICATE: " + chain[0].getSubjectDN());
+                // NOOP
             }
         };