diff --git a/codec-memcache/src/main/java/io/netty/handler/codec/memcache/binary/DefaultBinaryMemcacheRequest.java b/codec-memcache/src/main/java/io/netty/handler/codec/memcache/binary/DefaultBinaryMemcacheRequest.java
index ffb0d80090..3cf9332690 100644
--- a/codec-memcache/src/main/java/io/netty/handler/codec/memcache/binary/DefaultBinaryMemcacheRequest.java
+++ b/codec-memcache/src/main/java/io/netty/handler/codec/memcache/binary/DefaultBinaryMemcacheRequest.java
@@ -30,7 +30,7 @@ public class DefaultBinaryMemcacheRequest extends AbstractBinaryMemcacheMessage<
      * @param header the header to use.
      */
     public DefaultBinaryMemcacheRequest(BinaryMemcacheRequestHeader header) {
-        this(header, null, Unpooled.EMPTY_BUFFER);
+        this(header, null, null);
     }
 
     /**
@@ -40,7 +40,7 @@ public class DefaultBinaryMemcacheRequest extends AbstractBinaryMemcacheMessage<
      * @param key    the key to use.
      */
     public DefaultBinaryMemcacheRequest(BinaryMemcacheRequestHeader header, String key) {
-        this(header, key, Unpooled.EMPTY_BUFFER);
+        this(header, key, null);
     }
 
     /**
diff --git a/codec-memcache/src/main/java/io/netty/handler/codec/memcache/binary/DefaultBinaryMemcacheResponse.java b/codec-memcache/src/main/java/io/netty/handler/codec/memcache/binary/DefaultBinaryMemcacheResponse.java
index d871e89a21..4c58c4fb33 100644
--- a/codec-memcache/src/main/java/io/netty/handler/codec/memcache/binary/DefaultBinaryMemcacheResponse.java
+++ b/codec-memcache/src/main/java/io/netty/handler/codec/memcache/binary/DefaultBinaryMemcacheResponse.java
@@ -30,7 +30,7 @@ public class DefaultBinaryMemcacheResponse extends AbstractBinaryMemcacheMessage
      * @param header the header to use.
      */
     public DefaultBinaryMemcacheResponse(BinaryMemcacheResponseHeader header) {
-        this(header, null, Unpooled.EMPTY_BUFFER);
+        this(header, null, null);
     }
 
     /**
@@ -40,7 +40,7 @@ public class DefaultBinaryMemcacheResponse extends AbstractBinaryMemcacheMessage
      * @param key    the key to use
      */
     public DefaultBinaryMemcacheResponse(BinaryMemcacheResponseHeader header, String key) {
-        this(header, key, Unpooled.EMPTY_BUFFER);
+        this(header, key, null);
     }
 
     /**