diff --git a/src/xml_attribute.js b/src/xml_attribute.js
index 02f60a8..ab151e7 100644
--- a/src/xml_attribute.js
+++ b/src/xml_attribute.js
@@ -35,10 +35,11 @@ XMLAttribute.prototype.render = function (){
 		'class' : attributeContainerClass
 	}).data('xmlAttribute', this).appendTo(this.xmlElement.getAttributeContainer());
 	
-	var self = this;
-	var removeButton = document.createElement('a');
-	removeButton.appendChild(document.createTextNode('(x) '));
-	this.domNode[0].appendChild(removeButton);
+	if(this.objectType.use != 'required') {
+		var removeButton = document.createElement('a');
+		removeButton.appendChild(document.createTextNode('(x) '));
+		this.domNode[0].appendChild(removeButton);
+	}
 	
 	var label = document.createElement('label');
 	var prefix = this.editor.xmlState.namespaces.getNamespacePrefix(this.objectType.namespace);
diff --git a/xsd/src/schema_processor.js b/xsd/src/schema_processor.js
index 342000a..6a6cb86 100644
--- a/xsd/src/schema_processor.js
+++ b/xsd/src/schema_processor.js
@@ -245,6 +245,7 @@ SchemaProcessor.prototype.build_attribute = function(node, definition) {
 	} else {
 		// Build or retrieve the type definition
 		var type = node.getAttribute("type");
+		definition.use = node.getAttribute("use");
 		if (type == null) {
 			var child = this.getChildren(node)[0];
 			if (child)