diff --git a/dev-scheme/gauche/metadata.xml b/dev-scheme/gauche/metadata.xml
index ef4e7e89245fc..56f7ed381b447 100644
--- a/dev-scheme/gauche/metadata.xml
+++ b/dev-scheme/gauche/metadata.xml
@@ -17,9 +17,6 @@
 
 		Gauche runs on several Unix-like platforms.
 	</longdescription>
-	<use>
-		<flag name="mbedtls">Enable support for <pkg>net-libs/mbedtls</pkg></flag>
-	</use>
 	<upstream>
 		<remote-id type="github">shirok/Gauche</remote-id>
 		<remote-id type="sourceforge">gauche</remote-id>