diff --git a/experimental/lambda/src/main/java/io/serverlessworkflow/impl/expressions/func/JavaModel.java b/experimental/lambda/src/main/java/io/serverlessworkflow/impl/expressions/func/JavaModel.java
index 654276dc..ec05a1b9 100644
--- a/experimental/lambda/src/main/java/io/serverlessworkflow/impl/expressions/func/JavaModel.java
+++ b/experimental/lambda/src/main/java/io/serverlessworkflow/impl/expressions/func/JavaModel.java
@@ -22,7 +22,6 @@
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Optional;
-import java.util.function.BiConsumer;
 import java.util.stream.Collectors;
 
 public class JavaModel implements WorkflowModel {
@@ -37,17 +36,6 @@ protected void setObject(Object object) {
     this.object = object;
   }
 
-  @Override
-  public void forEach(BiConsumer<String, WorkflowModel> consumer) {
-    asMap()
-        .ifPresent(
-            m ->
-                m.forEach(
-                    (k, v) ->
-                        consumer.accept(
-                            k, v instanceof WorkflowModel model ? model : new JavaModel(v))));
-  }
-
   @Override
   public Optional<Boolean> asBoolean() {
     return object instanceof Boolean value ? Optional.of(value) : Optional.empty();
@@ -99,11 +87,6 @@ static Object asJavaObject(Object object) {
     }
   }
 
-  @Override
-  public Object asIs() {
-    return object;
-  }
-
   @Override
   public Class<?> objectClass() {
     return object != null ? object.getClass() : Object.class;
diff --git a/experimental/lambda/src/main/java/io/serverlessworkflow/impl/expressions/func/JavaModelCollection.java b/experimental/lambda/src/main/java/io/serverlessworkflow/impl/expressions/func/JavaModelCollection.java
index 12e0ab66..f4ac21a7 100644
--- a/experimental/lambda/src/main/java/io/serverlessworkflow/impl/expressions/func/JavaModelCollection.java
+++ b/experimental/lambda/src/main/java/io/serverlessworkflow/impl/expressions/func/JavaModelCollection.java
@@ -132,11 +132,6 @@ public Object asJavaObject() {
     return object;
   }
 
-  @Override
-  public Object asIs() {
-    return object;
-  }
-
   @Override
   public Class<?> objectClass() {
     return object.getClass();
diff --git a/impl/core/src/main/java/io/serverlessworkflow/impl/WorkflowModel.java b/impl/core/src/main/java/io/serverlessworkflow/impl/WorkflowModel.java
index 85634228..faee2114 100644
--- a/impl/core/src/main/java/io/serverlessworkflow/impl/WorkflowModel.java
+++ b/impl/core/src/main/java/io/serverlessworkflow/impl/WorkflowModel.java
@@ -19,12 +19,9 @@
 import java.util.Collection;
 import java.util.Map;
 import java.util.Optional;
-import java.util.function.BiConsumer;
 
 public interface WorkflowModel {
 
-  void forEach(BiConsumer<String, WorkflowModel> consumer);
-
   Optional<Boolean> asBoolean();
 
   Collection<WorkflowModel> asCollection();
@@ -39,8 +36,6 @@ public interface WorkflowModel {
 
   Object asJavaObject();
 
-  Object asIs();
-
   Class<?> objectClass();
 
   <T> Optional<T> as(Class<T> clazz);
diff --git a/impl/jackson/src/main/java/io/serverlessworkflow/impl/expressions/jq/JacksonModel.java b/impl/jackson/src/main/java/io/serverlessworkflow/impl/expressions/jq/JacksonModel.java
index 7d430214..b2054abf 100644
--- a/impl/jackson/src/main/java/io/serverlessworkflow/impl/expressions/jq/JacksonModel.java
+++ b/impl/jackson/src/main/java/io/serverlessworkflow/impl/expressions/jq/JacksonModel.java
@@ -27,7 +27,6 @@
 import java.util.Collections;
 import java.util.Map;
 import java.util.Optional;
-import java.util.function.BiConsumer;
 
 @JsonSerialize(using = JacksonModelSerializer.class)
 public class JacksonModel implements WorkflowModel {
@@ -42,11 +41,6 @@ public class JacksonModel implements WorkflowModel {
     this.node = node;
   }
 
-  @Override
-  public void forEach(BiConsumer<String, WorkflowModel> consumer) {
-    node.forEachEntry((k, v) -> consumer.accept(k, new JacksonModel(v)));
-  }
-
   @Override
   public Optional<Boolean> asBoolean() {
     return node.isBoolean() ? Optional.of(node.asBoolean()) : Optional.empty();
@@ -97,11 +91,6 @@ public Object asJavaObject() {
     return JsonUtils.toJavaValue(node);
   }
 
-  @Override
-  public Object asIs() {
-    return node;
-  }
-
   @Override
   public Class<?> objectClass() {
     return node.getClass();
diff --git a/impl/jackson/src/main/java/io/serverlessworkflow/impl/expressions/jq/JacksonModelCollection.java b/impl/jackson/src/main/java/io/serverlessworkflow/impl/expressions/jq/JacksonModelCollection.java
index 70dee439..b5420419 100644
--- a/impl/jackson/src/main/java/io/serverlessworkflow/impl/expressions/jq/JacksonModelCollection.java
+++ b/impl/jackson/src/main/java/io/serverlessworkflow/impl/expressions/jq/JacksonModelCollection.java
@@ -145,11 +145,6 @@ public Object asJavaObject() {
     return JsonUtils.toJavaValue(node);
   }
 
-  @Override
-  public Object asIs() {
-    return node;
-  }
-
   @Override
   public Class<?> objectClass() {
     return ArrayNode.class;