diff --git a/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMDataType.java b/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMDataType.java
index 3a2f9c3f..4396eff2 100644
--- a/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMDataType.java
+++ b/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMDataType.java
@@ -167,40 +167,6 @@ public void setPattern(ArrayList<String> pattern) {
 		this.pattern = pattern;
 	}
 	
-	public void createDOMDataTypeSingletons (DataTypeDefn lDataTypeDefn) {
-//		rdfIdentifier = "TBD"; 							
-//		identifier = "TBD"; 
-		versionId = "TBD"; 
-//		sequenceId= "TBD";
-		
-		title = lDataTypeDefn.title;
-//		definition = lUnitDefn.description;
-		
-//		registrationStatus = lUnitDefn.registrationStatus; 
-//		isDeprecated = lUnitDefn.isDeprecated;
-		
-		regAuthId = DMDocument.masterNameSpaceIdNCLC; 
-		steward = DMDocument.masterNameSpaceIdNCLC; 
-		nameSpaceId = DMDocument.masterNameSpaceIdNCLC; 
-		nameSpaceIdNC = DMDocument.masterNameSpaceIdNCLC; 
-		
-		type = lDataTypeDefn.type;
-		character_constraint = lDataTypeDefn.character_constraint;
-		formation_rule = lDataTypeDefn.formation_rule;
-		maximum_characters = lDataTypeDefn.maximum_characters;
-		maximum_value = lDataTypeDefn.maximum_value;
-		minimum_characters = lDataTypeDefn.minimum_characters;
-		minimum_value = lDataTypeDefn.minimum_value;
-		xml_schema_base_type = lDataTypeDefn.xml_schema_base_type;
-		character_encoding = lDataTypeDefn.character_encoding; 	 	
-
-		for (Iterator <String> i = lDataTypeDefn.pattern.iterator(); i.hasNext();) {
-			String lPattern = (String) i.next();
-			this.pattern.add(lPattern);
-		}
-		return;
-	}	
-	
 	// new - not currently being used - needs testing
 	public void setDataTypeAttrs (DOMClass lClass) {
 		this.setIdentifier (DMDocument.masterNameSpaceIdNCLC, lClass.title);
diff --git a/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMPermValDefn.java b/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMPermValDefn.java
index 65790700..211b9001 100644
--- a/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMPermValDefn.java
+++ b/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMPermValDefn.java
@@ -58,64 +58,4 @@ public DOMPermValDefn (String lId, String lValue, String lValueMeaning) {
 		value_begin_date = "TBD_value_begin_date";
 		value_end_date = "TBD_value_end_date";
 	}
-	
-	public void createDOMPermValSingletons (PermValueDefn lPermValue, AttrDefn lOldAttr) {
-		sequenceId = InfoModel.getNextUId();
-//		rdfIdentifier = lOldAttr.rdfIdentifier; 
-		String lValueId = lPermValue.value;
-		if (isPattern) lValueId = "Pattern"; // pattern characters (e.g., back slashes) are invalid for OWL RDF identifiers.
-		int lValueLength = lValueId.length();
-		if (lValueLength > 20) lValueId = lValueId.substring(0, 20);
-		rdfIdentifier = DMDocument.rdfPrefix + lOldAttr.parentClassTitle + "." + lOldAttr.title + "." + lValueId + "." + sequenceId; 
-		int lHashCodeI = lPermValue.value.hashCode();
-		String lHashCodeS = Integer.toString(lHashCodeI);
-		identifier = lOldAttr.identifier + "." + lValueId + "." + lHashCodeS;
-		versionId = lOldAttr.versionId; 
-		sequenceId = lOldAttr.uid;
-		
-//		title = lOldAttr.title; 
-//		definition = lOldAttr.description;
-		
-		registrationStatus = lPermValue.registrationStatus; 
-//		isDeprecated = lOldProp.isDeprecated; 
-		
-		regAuthId = lOldAttr.regAuthId; 
-		steward = lOldAttr.steward; 
-		nameSpaceId = lOldAttr.attrNameSpaceId;
-		nameSpaceIdNC = lOldAttr.attrNameSpaceIdNC;
-		
-		searchKey = lPermValue.searchKey;
-		value = lPermValue.value;
-		value_meaning = lPermValue.value_meaning;
-		value_begin_date = lPermValue.value_begin_date;
-		value_end_date = lPermValue.value_end_date;
-		return;
-	}
-	
-	public void createDOMPermValSingletonsDOM (String lValue, String lValueMeaning, DOMAttr lAttr) {
-		sequenceId = InfoModel.getNextUId();
-		String lValueId = lValue;
-		if (lAttr.title.compareTo("pattern") == 0) {
-			isPattern = true;
-			lValueId = "Pattern"; // pattern characters (e.g., back slashes) are invalid for OWL RDF identifiers.
-		}
-		int lValueLength = lValueId.length();
-		if (lValueLength > 20) lValueId = lValueId.substring(0, 20);
-		rdfIdentifier = DMDocument.rdfPrefix + lAttr.parentClassTitle + "." + lAttr.title + "." + lValueId + "." + sequenceId; 
-		int lHashCodeI = lValue.hashCode();
-		String lHashCodeS = Integer.toString(lHashCodeI);
-		identifier = lAttr.identifier + "." + lValueId + "." + lHashCodeS;
-		versionId = lAttr.versionId; 
-		title = identifier;
-		registrationStatus = "TBD_registrationStatus"; 
-		regAuthId = lAttr.regAuthId; 
-		steward = lAttr.steward; 
-		nameSpaceId = lAttr.nameSpaceId;
-		nameSpaceIdNC = lAttr.nameSpaceIdNC;
-		value = lValue;
-		value_meaning = lValueMeaning;
-		value_begin_date = "TBD_value_begin_date";
-		value_end_date = "TBD_value_end_date";
-		return;
-	}
 }
diff --git a/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMProtAttr.java b/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMProtAttr.java
index 88cfea15..81f2eee3 100644
--- a/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMProtAttr.java
+++ b/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMProtAttr.java
@@ -48,7 +48,6 @@ public class DOMProtAttr extends ISOClassOAIS11179 {
 	String dataConcept;							    // for CD
 	String classWord;								// for nomenclature rules
 	String lddLocalIdentifier;						// LDD local identifier
-	AttrDefn lddUserAttribute;						// the USER attribute used to initialize the LDD attribute
 
 	String xmlBaseDataType;							// the XML base data type
 	String protValType;								// value type from protege model
@@ -102,7 +101,6 @@ public DOMProtAttr () {
 		dataConcept = "TBD_dataConcept"; 
 		classWord = "TBD_classWord"; 
 		lddLocalIdentifier = "TBD_lddLocalIdentifier";
-		lddUserAttribute = null;
 
 		xmlBaseDataType = "TBD_XML_Base_Data_Type";
 		protValType = "TBD_Protege_Value_type";
@@ -197,6 +195,7 @@ public ArrayList <DOMPropComp> convertToDOMPropCompArr () {
 					lDomPropCompArr.add(lDomPropComp);
 				} else {
 					System.out.println(">>error   - Could not find the class referenced in an association - identifier:" + this.identifier + "   Class:" + lClassTitle);
+					System.out.println(">>error   - Could not find the class referenced in an association - identifier:" + this.identifier + "   lClassMemberIdentifier:" + lClassMemberIdentifier);
 				}
 			}
 		}
diff --git a/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMUseCase.java b/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMUseCase.java
index f4883968..56de50c7 100644
--- a/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMUseCase.java
+++ b/model-dmdocument/src/main/java/gov/nasa/pds/model/plugin/DOMUseCase.java
@@ -53,6 +53,6 @@ public DOMUseCase (String id) {
 	} 
 	
 	public void setRDFIdentifier () {
-		rdfIdentifier = DMDocument.rdfPrefix + "." + identifier + "." + InfoModel.getNextUId();
+		rdfIdentifier = DMDocument.rdfPrefix + "." + identifier + "." + DOMInfoModel.getNextUId();
 	}
 }