diff --git a/Doxyfile b/Doxyfile
index 277c11c0d..b3faaeb55 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -1003,7 +1003,7 @@ VERBATIM_HEADERS       = YES
 # compiled with the --with-libclang option.
 # The default value is: NO.
 
-CLANG_ASSISTED_PARSING = NO
+#CLANG_ASSISTED_PARSING = NO
 
 # If clang assisted parsing is enabled you can provide the compiler with command
 # line options that you would normally use when invoking the compiler. Note that
@@ -1011,7 +1011,7 @@ CLANG_ASSISTED_PARSING = NO
 # specified with INPUT and INCLUDE_PATH.
 # This tag requires that the tag CLANG_ASSISTED_PARSING is set to YES.
 
-CLANG_OPTIONS          =
+#CLANG_OPTIONS          =
 
 #---------------------------------------------------------------------------
 # Configuration options related to the alphabetical class index