diff --git a/README.adoc b/README.adoc
index 2300a59..ba73347 100644
--- a/README.adoc
+++ b/README.adoc
@@ -1,5 +1,5 @@
 :source-highlighter: highlight.js
-:highlightjs-languages: rust, swift
+:highlightjs-languages: rust
 :toc: auto
 
 = Falling Down & Rising Up