diff --git a/src/postProcessing/functionObjects/utilities/ddt2/ddt2.C b/src/postProcessing/functionObjects/utilities/ddt2/ddt2.C
index 58edbf3627..c3cf49bf2b 100644
--- a/src/postProcessing/functionObjects/utilities/ddt2/ddt2.C
+++ b/src/postProcessing/functionObjects/utilities/ddt2/ddt2.C
@@ -27,7 +27,6 @@ License
 
 #include "volFields.H"
 #include "dictionary.H"
-#include "FieldFunctions.H"
 #include "fvcDdt.H"
 #include "steadyStateDdtScheme.H"