diff --git a/codec/src/main/java/io/netty/handler/codec/compression/ZlibDecoder.java b/codec/src/main/java/io/netty/handler/codec/compression/ZlibDecoder.java
index a3a68e17e3..a44f9b95a9 100644
--- a/codec/src/main/java/io/netty/handler/codec/compression/ZlibDecoder.java
+++ b/codec/src/main/java/io/netty/handler/codec/compression/ZlibDecoder.java
@@ -22,7 +22,6 @@ import io.netty.handler.codec.ByteToByteDecoder;
  * Decompresses a {@link ByteBuf} using the deflate algorithm.
  *
  * @apiviz.landmark
- * @apiviz.has io.netty.handler.codec.compression.ZlibWrapper
  */
 public abstract class ZlibDecoder extends ByteToByteDecoder {
 
diff --git a/codec/src/main/java/io/netty/handler/codec/compression/ZlibEncoder.java b/codec/src/main/java/io/netty/handler/codec/compression/ZlibEncoder.java
index e81a0a0413..b52919fede 100644
--- a/codec/src/main/java/io/netty/handler/codec/compression/ZlibEncoder.java
+++ b/codec/src/main/java/io/netty/handler/codec/compression/ZlibEncoder.java
@@ -20,10 +20,9 @@ import io.netty.channel.ChannelFuture;
 import io.netty.handler.codec.ByteToByteEncoder;
 
 /**
- * Decompresses a {@link ByteBuf} using the deflate algorithm.
+ * Compresses a {@link ByteBuf} using the deflate algorithm.
  *
  * @apiviz.landmark
- * @apiviz.has io.netty.handler.codec.compression.ZlibWrapper
  */
 public abstract class ZlibEncoder extends ByteToByteEncoder {