diff --git a/config.h.cmake b/config.h.cmake
index c145e3ae4a4edfe7f3579bebbe1fbd214b413fdf..1ded4db4d386a0aa37d9cd5db2a8f33e804d70f3 100644
--- a/config.h.cmake
+++ b/config.h.cmake
@@ -10,10 +10,6 @@
 #warning deprecation warning in that case.
 #endif
 
-/* If this is set, the member 'size' of FieldVector is a method rather than an
-   enum */
-#define DUNE_COMMON_FIELDVECTOR_SIZE_IS_METHOD 1
-
 /* Define to the version of dune-common */
 #define DUNE_COMMON_VERSION "${DUNE_COMMON_VERSION}"