diff --git a/src/postProcessing/functionObjects/field/fieldAverage/fieldAverage/fieldAverage.H b/src/postProcessing/functionObjects/field/fieldAverage/fieldAverage/fieldAverage.H
index f1883b1b7d..1ba37ec6d5 100644
--- a/src/postProcessing/functionObjects/field/fieldAverage/fieldAverage/fieldAverage.H
+++ b/src/postProcessing/functionObjects/field/fieldAverage/fieldAverage/fieldAverage.H
@@ -128,7 +128,6 @@ namespace Foam
 class objectRegistry;
 class dictionary;
 class fieldAverageItem;
-class OFstream;
 template<class Type>
 class List;
 class mapPolyMesh;