diff --git a/doc/doxygen/riot.doxyfile b/doc/doxygen/riot.doxyfile
index b71ebd6630..6ca9d7fd2a 100644
--- a/doc/doxygen/riot.doxyfile
+++ b/doc/doxygen/riot.doxyfile
@@ -350,7 +350,7 @@ DISTRIBUTE_GROUP_DOC   = NO
 # \nosubgrouping command.
 # The default value is: YES.
 
-SUBGROUPING            = YES
+SUBGROUPING            = NO
 
 # When the INLINE_GROUPED_CLASSES tag is set to YES, classes, structs and unions
 # are shown inside the group in which they are included (e.g. using \ingroup)