diff --git a/commons-serialize-generator/src/main/java/io/gitlab/jfronny/commons/serialize/generator/SerializeGeneratorProcessor.java b/commons-serialize-generator/src/main/java/io/gitlab/jfronny/commons/serialize/generator/SerializeGeneratorProcessor.java
index ff9968b..ef7bc39 100644
--- a/commons-serialize-generator/src/main/java/io/gitlab/jfronny/commons/serialize/generator/SerializeGeneratorProcessor.java
+++ b/commons-serialize-generator/src/main/java/io/gitlab/jfronny/commons/serialize/generator/SerializeGeneratorProcessor.java
@@ -126,8 +126,7 @@ public class SerializeGeneratorProcessor extends AbstractProcessor2 {
                             if (bld.adapter == null) throw new IllegalArgumentException("Missing annotation parameter: adapter");
                             if (bld.nullSafe == null) throw new IllegalArgumentException("Missing annotation parameter: nullSafe");
 
-                            TypeMirror $void = elements.getTypeElement("void").asType();
-                            toGenerate.add(SerializableClass.of((TypeElement) element, bld.adapter, false, $void, $void, false, false, hasManifold));
+                            toGenerate.add(SerializableClass.of((TypeElement) element, bld.adapter, false, null, null, false, false, hasManifold));
                         } else {
                             throw new IllegalArgumentException("Unexpected annotation: " + mirror.getAnnotationType());
                         }