diff --git a/modules/calc/src/main/java/com/opengamma/strata/calc/runner/CalculationTask.java b/modules/calc/src/main/java/com/opengamma/strata/calc/runner/CalculationTask.java
index 89de195d07..5c61052a7e 100644
--- a/modules/calc/src/main/java/com/opengamma/strata/calc/runner/CalculationTask.java
+++ b/modules/calc/src/main/java/com/opengamma/strata/calc/runner/CalculationTask.java
@@ -16,7 +16,6 @@
 import java.util.Optional;
 import java.util.Set;
 
-import com.opengamma.strata.basics.ReferenceDataHolder;
 import org.joda.beans.ImmutableBean;
 import org.joda.beans.JodaBeanUtils;
 import org.joda.beans.MetaBean;
@@ -30,6 +29,7 @@
 import com.google.common.collect.Sets;
 import com.opengamma.strata.basics.CalculationTarget;
 import com.opengamma.strata.basics.ReferenceData;
+import com.opengamma.strata.basics.ReferenceDataHolder;
 import com.opengamma.strata.basics.ReferenceDataNotFoundException;
 import com.opengamma.strata.basics.currency.Currency;
 import com.opengamma.strata.basics.currency.CurrencyPair;