diff --git a/lib/elasticsearch/config.js b/lib/elasticsearch/config.js
index 84314ac..41b48a5 100644
--- a/lib/elasticsearch/config.js
+++ b/lib/elasticsearch/config.js
@@ -84,7 +84,7 @@ const FILTER_CONFIG = {
   mediaType: { operator: 'match', field: ['mediaType.id', 'mediaType.label'], repeatable: true },
   carrierType: { operator: 'match', field: ['carrierType.id', 'carrierType.label'], repeatable: true },
   publisher: { operator: 'match', field: ['publisherLiteral.raw'], repeatable: true },
-  contributorLiteral: { operator: 'match', field: ['contributorLiteral.raw'], repeatable: true },
+  contributorLiteral: { operator: 'match', field: ['contributorLiteral.raw', 'parallelContributor.raw'], repeatable: true },
   creatorLiteral: { operator: 'match', field: ['creatorLiteral.raw', 'parallelCreatorLiteral.raw'], repeatable: true },
   issuance: { operator: 'match', field: ['issuance.id', 'issuance.label'], repeatable: true },
   createdYear: { operator: 'match', field: ['createdYear'], repeatable: true },
diff --git a/lib/elasticsearch/elastic-query-builder.js b/lib/elasticsearch/elastic-query-builder.js
index e1788a4..8461511 100644
--- a/lib/elasticsearch/elastic-query-builder.js
+++ b/lib/elasticsearch/elastic-query-builder.js
@@ -488,20 +488,6 @@ class ElasticQueryBuilder {
     }
   }
 
-  buildPackedFieldClause (value, field) {
-    // Figure out the base property (e.g. 'owner')
-    const baseField = field.replace(/_packed$/, '')
-    // Allow supplied val to match against either id or value:
-    return {
-      bool: {
-        should: [
-          { term: { [`${baseField}.id`]: value } },
-          { term: { [`${baseField}.label`]: value } }
-        ]
-      }
-    }
-  }
-
   buildMultiFieldClause (value, fields) {
     return {
       bool: