diff --git a/src/functionObjects/field/columnAverage/columnAverage.C b/src/functionObjects/field/columnAverage/columnAverage.C
index 599246d873..c9ea8f81ac 100644
--- a/src/functionObjects/field/columnAverage/columnAverage.C
+++ b/src/functionObjects/field/columnAverage/columnAverage.C
@@ -174,7 +174,6 @@ bool Foam::functionObjects::columnAverage::write()
 {
     for (const word& fieldName : fieldSet_.selectionNames())
     {
-        const word resultName("columnAverage(" + fieldName + ")");
         const regIOobject* obj =
             obr_.cfindObject<regIOobject>(averageName(fieldName));