diff --git a/src/main/generated/io/vertx/proton/ProtonClientOptionsConverter.java b/src/main/generated/io/vertx/proton/ProtonClientOptionsConverter.java
index e373449..4b53b29 100644
--- a/src/main/generated/io/vertx/proton/ProtonClientOptionsConverter.java
+++ b/src/main/generated/io/vertx/proton/ProtonClientOptionsConverter.java
@@ -20,11 +20,6 @@ public class ProtonClientOptionsConverter {
    static void fromJson(Iterable<java.util.Map.Entry<String, Object>> json, ProtonClientOptions obj) {
     for (java.util.Map.Entry<String, Object> member : json) {
       switch (member.getKey()) {
-        case "openSslEngineOptions":
-          if (member.getValue() instanceof JsonObject) {
-            obj.setOpenSslEngineOptions(new io.vertx.core.net.OpenSSLEngineOptions((io.vertx.core.json.JsonObject)member.getValue()));
-          }
-          break;
         case "enabledSaslMechanisms":
           if (member.getValue() instanceof JsonArray) {
             ((Iterable<Object>)member.getValue()).forEach( item -> {
@@ -62,9 +57,6 @@ static void toJson(ProtonClientOptions obj, JsonObject json) {
   }
 
    static void toJson(ProtonClientOptions obj, java.util.Map<String, Object> json) {
-    if (obj.getOpenSslEngineOptions() != null) {
-      json.put("openSslEngineOptions", obj.getOpenSslEngineOptions().toJson());
-    }
     if (obj.getEnabledSaslMechanisms() != null) {
       JsonArray array = new JsonArray();
       obj.getEnabledSaslMechanisms().forEach(item -> array.add(item));
diff --git a/src/main/generated/io/vertx/proton/ProtonServerOptionsConverter.java b/src/main/generated/io/vertx/proton/ProtonServerOptionsConverter.java
index 87373e3..aa72a25 100644
--- a/src/main/generated/io/vertx/proton/ProtonServerOptionsConverter.java
+++ b/src/main/generated/io/vertx/proton/ProtonServerOptionsConverter.java
@@ -20,11 +20,6 @@ public class ProtonServerOptionsConverter {
    static void fromJson(Iterable<java.util.Map.Entry<String, Object>> json, ProtonServerOptions obj) {
     for (java.util.Map.Entry<String, Object> member : json) {
       switch (member.getKey()) {
-        case "openSslEngineOptions":
-          if (member.getValue() instanceof JsonObject) {
-            obj.setOpenSslEngineOptions(new io.vertx.core.net.OpenSSLEngineOptions((io.vertx.core.json.JsonObject)member.getValue()));
-          }
-          break;
         case "heartbeat":
           if (member.getValue() instanceof Number) {
             obj.setHeartbeat(((Number)member.getValue()).intValue());
@@ -44,9 +39,6 @@ static void toJson(ProtonServerOptions obj, JsonObject json) {
   }
 
    static void toJson(ProtonServerOptions obj, java.util.Map<String, Object> json) {
-    if (obj.getOpenSslEngineOptions() != null) {
-      json.put("openSslEngineOptions", obj.getOpenSslEngineOptions().toJson());
-    }
     json.put("heartbeat", obj.getHeartbeat());
     json.put("maxFrameSize", obj.getMaxFrameSize());
   }
diff --git a/src/main/java/io/vertx/proton/ProtonClientOptions.java b/src/main/java/io/vertx/proton/ProtonClientOptions.java
index 8c2a3fb..35bd4a4 100644
--- a/src/main/java/io/vertx/proton/ProtonClientOptions.java
+++ b/src/main/java/io/vertx/proton/ProtonClientOptions.java
@@ -22,6 +22,7 @@
 
 import io.vertx.codegen.annotations.DataObject;
 
+import io.vertx.codegen.json.annotations.JsonGen;
 import io.vertx.core.buffer.Buffer;
 import io.vertx.core.json.JsonObject;
 import io.vertx.core.net.JdkSSLEngineOptions;
@@ -39,7 +40,8 @@
 /**
  * Options for configuring {@link io.vertx.proton.ProtonClient} connect operations.
  */
-@DataObject(generateConverter = true, publicConverter = false)
+@DataObject
+@JsonGen(publicConverter = false)
 public class ProtonClientOptions extends NetClientOptions {
 
   private Set<String> enabledSaslMechanisms = new LinkedHashSet<>();
diff --git a/src/main/java/io/vertx/proton/ProtonLinkOptions.java b/src/main/java/io/vertx/proton/ProtonLinkOptions.java
index 87a4db9..a6834c8 100644
--- a/src/main/java/io/vertx/proton/ProtonLinkOptions.java
+++ b/src/main/java/io/vertx/proton/ProtonLinkOptions.java
@@ -16,12 +16,14 @@
 package io.vertx.proton;
 
 import io.vertx.codegen.annotations.DataObject;
+import io.vertx.codegen.json.annotations.JsonGen;
 import io.vertx.core.json.JsonObject;
 
 /**
  * Options for configuring link attributes.
  */
-@DataObject(generateConverter = true, publicConverter = false)
+@DataObject
+@JsonGen(publicConverter = false)
 public class ProtonLinkOptions {
     private String linkName;
     private boolean dynamic;
diff --git a/src/main/java/io/vertx/proton/ProtonServerOptions.java b/src/main/java/io/vertx/proton/ProtonServerOptions.java
index 9cb1674..0e524b0 100644
--- a/src/main/java/io/vertx/proton/ProtonServerOptions.java
+++ b/src/main/java/io/vertx/proton/ProtonServerOptions.java
@@ -19,6 +19,7 @@
 import java.util.concurrent.TimeUnit;
 
 import io.vertx.codegen.annotations.DataObject;
+import io.vertx.codegen.json.annotations.JsonGen;
 import io.vertx.core.buffer.Buffer;
 import io.vertx.core.http.ClientAuth;
 import io.vertx.core.json.JsonObject;
@@ -36,7 +37,8 @@
 /**
  * Options for configuring {@link io.vertx.proton.ProtonServer} creation.
  */
-@DataObject(generateConverter = true, publicConverter = false)
+@DataObject
+@JsonGen(publicConverter = false)
 public class ProtonServerOptions extends NetServerOptions {
 
   private int heartbeat;
diff --git a/src/main/java/io/vertx/proton/ProtonTransportOptions.java b/src/main/java/io/vertx/proton/ProtonTransportOptions.java
index a18e22b..bd009a6 100644
--- a/src/main/java/io/vertx/proton/ProtonTransportOptions.java
+++ b/src/main/java/io/vertx/proton/ProtonTransportOptions.java
@@ -16,12 +16,14 @@
 package io.vertx.proton;
 
 import io.vertx.codegen.annotations.DataObject;
+import io.vertx.codegen.json.annotations.JsonGen;
 import io.vertx.core.json.JsonObject;
 
 /**
  * Options for configuring transport layer
  */
-@DataObject(generateConverter = true, publicConverter = false)
+@DataObject
+@JsonGen(publicConverter = false)
 public class ProtonTransportOptions {
 
   private int heartbeat;