1 files changed, 1 insertions, 13 deletions
diff --git a/container-search/src/main/java/com/yahoo/search/grouping/request/ZCurveXFunction.java b/container-search/src/main/java/com/yahoo/search/grouping/request/ZCurveXFunction.java
index 5ab057ef8a8..bcd6f2ba71a 100644
--- a/container-search/src/main/java/com/yahoo/search/grouping/request/ZCurveXFunction.java
+++ b/container-search/src/main/java/com/yahoo/search/grouping/request/ZCurveXFunction.java
@@ -5,26 +5,14 @@ import java.util.Arrays;
 
 /**
  * @author baldersheim
- * @author bratseth
  */
 public class ZCurveXFunction extends FunctionNode {
-
     /**
      * Constructs a new instance of this class.
      *
      * @param exp The expression to evaluate, must evaluate to a long or long[].
      */
     public ZCurveXFunction(GroupingExpression exp) {
-        this(null, null, exp);
-    }
-
-    private ZCurveXFunction(String label, Integer level, GroupingExpression exp) {
-        super("zcurve.x", label, level, Arrays.asList(exp));
+        super("zcurve.x", Arrays.asList(exp));
     }
-
-    @Override
-    public ZCurveXFunction copy() {
-        return new ZCurveXFunction(getLabel(), getLevelOrNull(), getArg(0).copy());
-    }
-
 }