1 files changed, 2 insertions, 7 deletions
diff --git a/indexinglanguage/src/main/java/com/yahoo/vespa/indexinglanguage/expressions/GetVarExpression.java b/indexinglanguage/src/main/java/com/yahoo/vespa/indexinglanguage/expressions/GetVarExpression.java
index 6079652174d..50b502049dc 100644
--- a/indexinglanguage/src/main/java/com/yahoo/vespa/indexinglanguage/expressions/GetVarExpression.java
+++ b/indexinglanguage/src/main/java/com/yahoo/vespa/indexinglanguage/expressions/GetVarExpression.java
@@ -2,16 +2,16 @@
 package com.yahoo.vespa.indexinglanguage.expressions;
 
 import com.yahoo.document.DataType;
-import com.yahoo.document.DocumentType;
 
 /**
  * @author Simon Thoresen Hult
  */
-public class GetVarExpression extends Expression {
+public final class GetVarExpression extends Expression {
 
     private final String varName;
 
     public GetVarExpression(String varName) {
+        super(null);
         this.varName = varName;
     }
 
@@ -34,11 +34,6 @@ public class GetVarExpression extends Expression {
     }
 
     @Override
-    public DataType requiredInputType() {
-        return null;
-    }
-
-    @Override
     public DataType createdOutputType() {
         return UnresolvedDataType.INSTANCE;
     }