1 files changed, 0 insertions, 2 deletions

diff --git a/ext/Setup b/ext/Setup
index 0929d647ae..ac79c86f84 100644
--- a/ext/Setup
+++ b/ext/Setup
@@ -23,8 +23,6 @@
 #json
 #json/generator
 #json/parser
-#mathn/complex
-#mathn/rational
 #nkf
 #objspace
 #openssl