diff --git a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundFieldValue.java b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundFieldValue.java
index bcfab0c3a..25b4e017c 100644
--- a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundFieldValue.java
+++ b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundFieldValue.java
@@ -81,16 +81,6 @@ default Object getEffectiveDefaultValue() {
     return getDefaultValue();
   }
 
-  @Override
-  default Object getValue(Object parent) {
-    return IBoundProperty.super.getValue(parent);
-  }
-
-  @Override
-  default void setValue(Object parentObject, Object value) {
-    IBoundProperty.super.setValue(parentObject, value);
-  }
-
   @Override
   default Object readItem(Object parent, IItemReadHandler handler) throws IOException {
     return handler.readItemFieldValue(ObjectUtils.requireNonNull(parent, "parent"), this);
diff --git a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstance.java b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstance.java
index e662a298b..1f99e1306 100644
--- a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstance.java
+++ b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstance.java
@@ -28,10 +28,34 @@
 
 import gov.nist.secauto.metaschema.core.model.IInstance;
 
+import edu.umd.cs.findbugs.annotations.NonNull;
+import edu.umd.cs.findbugs.annotations.Nullable;
+
 /**
  * Represents a Metaschema module instance bound to Java data.
  */
 public interface IBoundInstance extends IBoundProperty, IInstance {
   @Override
   IBoundDefinitionModel getContainingDefinition();
+
+  /**
+   * {@inheritDoc}
+   * <p>
+   * Always bound to a field.
+   */
+  @Override
+  @Nullable
+  default Object getValue(@NonNull Object parent) {
+    return IBoundProperty.super.getValue(parent);
+  }
+
+  /**
+   * {@inheritDoc}
+   * <p>
+   * Always bound to a field.
+   */
+  @Override
+  default void setValue(@NonNull Object parentObject, @Nullable Object value) {
+    IBoundProperty.super.setValue(parentObject, value);
+  }
 }
diff --git a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceFlag.java b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceFlag.java
index 5f3dc64fc..7f0b8daa3 100644
--- a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceFlag.java
+++ b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceFlag.java
@@ -41,7 +41,6 @@
 import javax.xml.namespace.QName;
 
 import edu.umd.cs.findbugs.annotations.NonNull;
-import edu.umd.cs.findbugs.annotations.Nullable;
 
 /**
  * Represents a flag instance bound to Java data.
@@ -116,27 +115,6 @@ default IBoundInstanceFlag getInlineInstance() {
     return this;
   }
 
-  /**
-   * {@inheritDoc}
-   * <p>
-   * Always bound to a field.
-   */
-  @Override
-  @Nullable
-  default Object getValue(@NonNull Object parent) {
-    return IBoundInstance.super.getValue(parent);
-  }
-
-  /**
-   * {@inheritDoc}
-   * <p>
-   * Always bound to a field.
-   */
-  @Override
-  default void setValue(@NonNull Object parentObject, @Nullable Object value) {
-    IBoundInstance.super.setValue(parentObject, value);
-  }
-
   @Override
   default void deepCopy(@NonNull Object fromInstance, @NonNull Object toInstance) throws BindingException {
     Object value = getValue(fromInstance);
diff --git a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModel.java b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModel.java
index 6ee165e49..29839a477 100644
--- a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModel.java
+++ b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModel.java
@@ -114,13 +114,4 @@ default Collection<? extends Object> getItemValues(Object value) {
   @Nullable
   IBoundInstanceFlag getItemJsonKey(@NonNull Object item);
 
-  /**
-   * {@inheritDoc}
-   * <p>
-   * Always bound to a field.
-   */
-  @Override
-  default Object getValue(Object parent) {
-    return IBoundInstance.super.getValue(parent);
-  }
 }
diff --git a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModelField.java b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModelField.java
index d3307841f..d27f106da 100644
--- a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModelField.java
+++ b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModelField.java
@@ -87,4 +87,5 @@ default boolean canHandleXmlQName(QName qname) {
     }
     return retval;
   }
+
 }
diff --git a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModelFieldScalar.java b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModelFieldScalar.java
index 95a185227..c9c543f82 100644
--- a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModelFieldScalar.java
+++ b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/IBoundInstanceModelFieldScalar.java
@@ -90,26 +90,6 @@ default IBoundInstanceFlag getJsonValueKeyFlagInstance() {
     return null;
   }
 
-  /**
-   * {@inheritDoc}
-   * <p>
-   * Always bound to a field.
-   */
-  @Override
-  default Object getValue(Object parent) {
-    return IBoundInstanceModelField.super.getValue(parent);
-  }
-
-  /**
-   * {@inheritDoc}
-   * <p>
-   * Always bound to a field.
-   */
-  @Override
-  default void setValue(Object parentObject, Object value) {
-    IBoundInstanceModelField.super.setValue(parentObject, value);
-  }
-
   @Override
   default Object readItem(Object parent, IItemReadHandler handler) throws IOException {
     return handler.readItemField(ObjectUtils.requireNonNull(parent, "parent"), this);
diff --git a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/info/IFeatureScalarItemValueHandler.java b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/info/IFeatureScalarItemValueHandler.java
index d62b4763d..e1bd55c39 100644
--- a/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/info/IFeatureScalarItemValueHandler.java
+++ b/databind/src/main/java/gov/nist/secauto/metaschema/databind/model/info/IFeatureScalarItemValueHandler.java
@@ -28,17 +28,13 @@
 
 import gov.nist.secauto.metaschema.core.datatype.IDataTypeAdapter;
 import gov.nist.secauto.metaschema.databind.io.BindingException;
+import gov.nist.secauto.metaschema.databind.model.IValuedMutable;
 
 import edu.umd.cs.findbugs.annotations.NonNull;
 import edu.umd.cs.findbugs.annotations.Nullable;
 
 public interface IFeatureScalarItemValueHandler
-    extends IItemValueHandler {
-
-  @Nullable
-  Object getValue(@NonNull Object parent);
-
-  void setValue(@NonNull Object parent, Object value);
+    extends IItemValueHandler, IValuedMutable {
 
   default void setValue(@NonNull Object parent, @NonNull String text) {
     Object item = getValueFromString(text);