diff --git a/buffer/src/test/java/io/netty/buffer/AbstractCompositeByteBufTest.java b/buffer/src/test/java/io/netty/buffer/AbstractCompositeByteBufTest.java
index f98c223be6..5dc90305f6 100644
--- a/buffer/src/test/java/io/netty/buffer/AbstractCompositeByteBufTest.java
+++ b/buffer/src/test/java/io/netty/buffer/AbstractCompositeByteBufTest.java
@@ -733,7 +733,6 @@ public abstract class AbstractCompositeByteBufTest extends AbstractByteBufTest {
         TestGatheringByteChannel channel = new TestGatheringByteChannel(1);
 
         while (buf.isReadable()) {
-            System.out.println(buf.nioBuffers().length);
             buf.readBytes(channel, buf.readableBytes());
         }