diff --git a/acme4j-client/src/main/java/org/shredzone/acme4j/challenge/Http01Challenge.java b/acme4j-client/src/main/java/org/shredzone/acme4j/challenge/Http01Challenge.java
index 541315e5..d8f6935e 100644
--- a/acme4j-client/src/main/java/org/shredzone/acme4j/challenge/Http01Challenge.java
+++ b/acme4j-client/src/main/java/org/shredzone/acme4j/challenge/Http01Challenge.java
@@ -74,7 +74,9 @@ public class Http01Challenge extends TokenChallenge {
      *
      * @param address
      *            Address to request the response from
+     * @deprecated feature has been removed in draft-03, do not use.
      */
+    @Deprecated
     public void setAddress(InetAddress address) {
         this.address = address;
     }