diff --git a/adam-core/src/main/scala/org/bdgenomics/adam/rdd/GenomicRDD.scala b/adam-core/src/main/scala/org/bdgenomics/adam/rdd/GenomicRDD.scala
index f7212b7ca9..d5e4d38318 100644
--- a/adam-core/src/main/scala/org/bdgenomics/adam/rdd/GenomicRDD.scala
+++ b/adam-core/src/main/scala/org/bdgenomics/adam/rdd/GenomicRDD.scala
@@ -1412,11 +1412,3 @@ abstract class AvroGenomicRDD[T <% IndexedRecord: Manifest, U <: AvroGenomicRDD[
     saveAsParquet(new JavaSaveArgs(filePath))
   }
 }
-
-/**
- * A trait for genomic data that is not aligned to a reference (e.g., raw reads).
- */
-trait Unaligned {
-
-  val sequences = SequenceDictionary.empty
-}