1 files changed, 1 insertions, 4 deletions
diff --git a/core/src/main/java/org/elasticsearch/index/codec/PerFieldMappingPostingFormatCodec.java b/core/src/main/java/org/elasticsearch/index/codec/PerFieldMappingPostingFormatCodec.java
index b504c4c21c..2c23f94747 100644
--- a/core/src/main/java/org/elasticsearch/index/codec/PerFieldMappingPostingFormatCodec.java
+++ b/core/src/main/java/org/elasticsearch/index/codec/PerFieldMappingPostingFormatCodec.java
@@ -58,10 +58,7 @@ public class PerFieldMappingPostingFormatCodec extends Lucene54Codec {
         if (indexName == null) {
             logger.warn("no index mapper found for field: [{}] returning default postings format", field);
         } else if (indexName instanceof CompletionFieldMapper.CompletionFieldType) {
-            // CompletionFieldMapper needs a special postings format
-            final CompletionFieldMapper.CompletionFieldType fieldType = (CompletionFieldMapper.CompletionFieldType) indexName;
-            final PostingsFormat defaultFormat = super.getPostingsFormatForField(field);
-            return fieldType.postingsFormat(defaultFormat);
+            return CompletionFieldMapper.CompletionFieldType.postingsFormat();
         }
         return super.getPostingsFormatForField(field);
     }