diff --git a/docs/doxygen/Doxyfile b/docs/doxygen/Doxyfile
index f3699e5c0e..e8701f1831 100755
--- a/docs/doxygen/Doxyfile
+++ b/docs/doxygen/Doxyfile
@@ -477,7 +477,7 @@ SORT_MEMBER_DOCS       = YES
 # by member name. If set to NO (the default) the members will appear in
 # declaration order.
 
-SORT_BRIEF_DOCS        = NO
+SORT_BRIEF_DOCS        = YES
 
 # If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen
 # will sort the (brief and detailed) documentation of class members so that
@@ -487,13 +487,13 @@ SORT_BRIEF_DOCS        = NO
 # This tag will be ignored for brief docs if SORT_BRIEF_DOCS is set to NO
 # and ignored for detailed docs if SORT_MEMBER_DOCS is set to NO.
 
-SORT_MEMBERS_CTORS_1ST = NO
+SORT_MEMBERS_CTORS_1ST = YES
 
 # If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the
 # hierarchy of group names into alphabetical order. If set to NO (the default)
 # the group names will appear in their defined order.
 
-SORT_GROUP_NAMES       = NO
+SORT_GROUP_NAMES       = YES
 
 # If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be
 # sorted by fully-qualified names, including namespaces. If set to