diff --git a/doc/acrn.doxyfile b/doc/acrn.doxyfile
index 1df120f17..c61da9f64 100644
--- a/doc/acrn.doxyfile
+++ b/doc/acrn.doxyfile
@@ -1809,7 +1809,7 @@ LATEX_HIDE_INDICES     = NO
 # The default value is: NO.
 # This tag requires that the tag GENERATE_LATEX is set to YES.
 
-LATEX_SOURCE_CODE      = NO
+# LATEX_SOURCE_CODE      = NO
 
 # The LATEX_BIB_STYLE tag can be used to specify the style to use for the
 # bibliography, e.g. plainnat, or ieeetr. See
@@ -1891,7 +1891,7 @@ RTF_EXTENSIONS_FILE    =
 # The default value is: NO.
 # This tag requires that the tag GENERATE_RTF is set to YES.
 
-RTF_SOURCE_CODE        = NO
+# RTF_SOURCE_CODE        = NO
 
 #---------------------------------------------------------------------------
 # Configuration options related to the man page output
@@ -1989,7 +1989,7 @@ DOCBOOK_OUTPUT         = docbook
 # The default value is: NO.
 # This tag requires that the tag GENERATE_DOCBOOK is set to YES.
 
-DOCBOOK_PROGRAMLISTING = NO
+# DOCBOOK_PROGRAMLISTING = NO
 
 #---------------------------------------------------------------------------
 # Configuration options for the AutoGen Definitions output
@@ -2187,7 +2187,7 @@ EXTERNAL_PAGES         = YES
 # powerful graphs.
 # The default value is: YES.
 
-CLASS_DIAGRAMS         = YES
+# CLASS_DIAGRAMS         = YES
 
 # You can define message sequence charts within doxygen comments using the \msc
 # command. Doxygen will then run the mscgen tool (see: