diff --git a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java
index e659b8f..70dfde1 100644
--- a/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java
+++ b/asterixdb/asterix-metadata/src/main/java/org/apache/asterix/metadata/entitytupletranslators/DatasetTupleTranslator.java
@@ -149,7 +149,6 @@
                         .getValueByPos(MetadataRecordTypes.INTERNAL_DETAILS_ARECORD_PARTITIONKEY_FIELD_INDEX))
                                 .getCursor();
                 List<List<String>> partitioningKey = new ArrayList<>();
-                List<IAType> partitioningKeyType = new ArrayList<>();
 
                 while (cursor.next()) {
                     AOrderedList fieldNameList = (AOrderedList) cursor.get();
@@ -159,7 +158,6 @@
                         nestedFieldName.add(((AString) nestedFieldNameCursor.get()).getStringValue());
                     }
                     partitioningKey.add(nestedFieldName);
-                    partitioningKeyType.add(BuiltinType.ASTRING);
                 }
 
                 // Check if there is a primary key types field
@@ -223,7 +221,7 @@
                 }
 
                 datasetDetails = new InternalDatasetDetails(fileStructure, partitioningStrategy, partitioningKey,
-                        partitioningKey, keyFieldSourceIndicator, partitioningKeyType, autogenerated,
+                        partitioningKey, keyFieldSourceIndicator, primaryKeyTypes, autogenerated,
                         filterSourceIndicator, filterField);
                 break;
             }