diff --git a/static/js/theme.js b/static/js/theme.js
index ea5a415719..13828ac616 100644
--- a/static/js/theme.js
+++ b/static/js/theme.js
@@ -1523,9 +1523,6 @@ if( window.themeUseMermaid ){
 }
 
 function useOpenapi( config ){
-    if( config.css && config.css.startsWith( '/' ) ){
-        config.css = window.relearn.baseUri + config.css;
-    }
 }
 if( window.themeUseOpenapi ){
     useOpenapi( window.themeUseOpenapi );