diff --git a/legacy/ecore/doc/Doxyfile.in b/legacy/ecore/doc/Doxyfile.in
index 7084dccd92..8ec5b319d5 100644
--- a/legacy/ecore/doc/Doxyfile.in
+++ b/legacy/ecore/doc/Doxyfile.in
@@ -50,7 +50,6 @@ SHOW_INCLUDE_FILES     = NO
 FORCE_LOCAL_INCLUDES   = NO
 INLINE_INFO            = YES
 SORT_MEMBER_DOCS       = YES
-SORT_BRIEF_DOCS        = NO
 SORT_MEMBERS_CTORS_1ST = NO
 SORT_GROUP_NAMES       = NO
 SORT_BY_SCOPE_NAME     = NO
@@ -100,7 +99,7 @@ USE_HTAGS              = NO
 VERBATIM_HEADERS       = NO
 ALPHABETICAL_INDEX     = YES
 COLS_IN_ALPHA_INDEX    = 2
-IGNORE_PREFIX          = 
+IGNORE_PREFIX          = ecore_ _ecore_ Ecore_ _Ecore_ ECORE_ _ECORE_
 GENERATE_HTML          = YES
 HTML_OUTPUT            = html
 HTML_FILE_EXTENSION    = .html