diff --git a/src/main/java/org/opensearch/neuralsearch/processor/DocumentChunkingProcessor.java b/src/main/java/org/opensearch/neuralsearch/processor/DocumentChunkingProcessor.java
index 8f151c20a..37d853018 100644
--- a/src/main/java/org/opensearch/neuralsearch/processor/DocumentChunkingProcessor.java
+++ b/src/main/java/org/opensearch/neuralsearch/processor/DocumentChunkingProcessor.java
@@ -167,12 +167,6 @@ public void doExecute(
         }
     }
 
-    private static List<String> stringToList(String string) {
-        List<String> list = new ArrayList<>();
-        list.add(string);
-        return list;
-    }
-
     public static class Factory implements Processor.Factory {
 
         private final Settings settings;