diff --git a/Doxyfile b/Doxyfile
index a0215b559..39b591174 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -1432,8 +1432,7 @@ HTML_STYLESHEET        =
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
 HTML_EXTRA_STYLESHEET  = doc/doxygen/css/doxygen_style.css \
-                         doc/doxygen/theme/doxygen-awesome.css \
-                         doc/doxygen/theme/doxygen-awesome-sidebar-only.css
+                         doc/doxygen/theme/doxygen-awesome.css
 
 # The HTML_EXTRA_FILES tag can be used to specify one or more extra images or
 # other source files which should be copied to the HTML output directory. Note