1 files changed, 1 insertions, 15 deletions
diff --git a/container-search/src/main/java/com/yahoo/search/grouping/request/XorBitFunction.java b/container-search/src/main/java/com/yahoo/search/grouping/request/XorBitFunction.java
index 8fdd2dc5839..2f6061a3aa2 100644
--- a/container-search/src/main/java/com/yahoo/search/grouping/request/XorBitFunction.java
+++ b/container-search/src/main/java/com/yahoo/search/grouping/request/XorBitFunction.java
@@ -2,15 +2,12 @@
 package com.yahoo.search.grouping.request;
 
 import java.util.Arrays;
-import java.util.List;
-import java.util.stream.Collectors;
 
 /**
  * This class represents an xor-function in a {@link GroupingExpression}. It evaluates to a long that equals the xor of
  * 'width' bits over the binary representation of the result of the argument.
  *
  * @author Simon Thoresen Hult
- * @author bratseth
  */
 public class XorBitFunction extends FunctionNode {
 
@@ -21,18 +18,7 @@ public class XorBitFunction extends FunctionNode {
      * @param numBits The number of bits of the expression value to xor.
      */
     public XorBitFunction(GroupingExpression exp, int numBits) {
-        this(null, null, Arrays.asList(exp, new LongValue(numBits)));
-    }
-
-    private XorBitFunction(String label, Integer level, List<GroupingExpression> exp) {
-        super("xorbit", label, level, exp);
-    }
-
-    @Override
-    public XorBitFunction copy() {
-        return new XorBitFunction(getLabel(),
-                                  getLevelOrNull(),
-                                  args().stream().map(arg -> arg.copy()).collect(Collectors.toList()));
+        super("xorbit", Arrays.asList(exp, new LongValue(numBits)));
     }
 
     /**