diff --git a/doc/doxygen/Doxylocal b/doc/doxygen/Doxylocal
index beb1f6226031abd7cd3363947f560fa9e8b3ee74..85102e4d9a3da49da7a6ffffd1b0687a08522c90 100644
--- a/doc/doxygen/Doxylocal
+++ b/doc/doxygen/Doxylocal
@@ -15,6 +15,8 @@ INPUT                 += @srcdir@/mainpage.txt \
                          @top_srcdir@/dumux \
                          @srcdir@/extradoc/parameterlist.txt
 
+EXCLUDE               += @top_srcdir@/dumux/io/format/fmt
+
 EXAMPLE_PATH          += @srcdir@/extradoc
 
 IMAGE_PATH             = @srcdir@/images