diff --git a/src/main/java/gov/usgs/earthquake/nshmp/data/Sequences.java b/src/main/java/gov/usgs/earthquake/nshmp/data/Sequences.java
index 59662b94df8b2f2bab86d371e8e37a30a8526470..a6581e24d43b7f216b4d32c1b533b299fce93717 100644
--- a/src/main/java/gov/usgs/earthquake/nshmp/data/Sequences.java
+++ b/src/main/java/gov/usgs/earthquake/nshmp/data/Sequences.java
@@ -113,7 +113,6 @@ class Sequences {
   }
 
   static ArrayXySequence getFirstSequence(Collection<XySequence> xySequences) {
-    checkState(!xySequences.isEmpty());
     // Safe covariant cast
     return (ArrayXySequence) xySequences.iterator().next();
   }