remove unneeded cast

1 files changed, 1 insertions, 1 deletions

diff --git a/document/src/main/java/com/yahoo/document/update/MapValueUpdate.java b/document/src/main/java/com/yahoo/document/update/MapValueUpdate.java
index edb40c6959b..de2fe1987a9 100644
--- a/document/src/main/java/com/yahoo/document/update/MapValueUpdate.java
+++ b/document/src/main/java/com/yahoo/document/update/MapValueUpdate.java
@@ -70,7 +70,7 @@ public class MapValueUpdate extends ValueUpdate {
                 }
             }
             weight = (Integer) update.applyTo(new IntegerFieldValue(weight)).getWrappedValue();
-            wset.put((FieldValue) value, weight);
+            wset.put(value, weight);
             if (wtype.removeIfZero() && update instanceof ArithmeticValueUpdate && weight == 0) {
                 wset.remove(value);
             }