diff --git a/doc/Doxyfile.in b/doc/Doxyfile.in
index 6527253..ca84950 100644
--- a/doc/Doxyfile.in
+++ b/doc/Doxyfile.in
@@ -41,7 +41,6 @@ IGNORE_PREFIX          = xkb_ \
 HTML_EXTRA_STYLESHEET  = doc/doxygen-extra.css
 
 TIMESTAMP              = NO
-HTML_TIMESTAMP         = NO
 
 ENUM_VALUES_PER_LINE   = 1