diff --git a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/MovingAverageEvaluator.java b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/MovingAverageEvaluator.java
index f84f6e2f6ae..2e0788f3312 100644
--- a/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/MovingAverageEvaluator.java
+++ b/solr/solrj/src/java/org/apache/solr/client/solrj/io/eval/MovingAverageEvaluator.java
@@ -21,7 +21,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 import org.apache.commons.math3.stat.descriptive.DescriptiveStatistics;
-import org.apache.commons.math3.util.MathArrays;
 import org.apache.solr.client.solrj.io.Tuple;
 import org.apache.solr.client.solrj.io.stream.expr.Explanation;
 import org.apache.solr.client.solrj.io.stream.expr.Explanation.ExpressionType;