diff --git a/README b/README
index fba2770..8bac581 100644
--- a/README
+++ b/README
@@ -31,9 +31,8 @@ isync executable still exists; it is a compatibility wrapper around mbsync.
     * Partial mirrors possible: keep only the latest messages locally
     * Trash functionality: backup messages before removing them
     * IMAP features:
-	* Supports TLS/SSL via imaps: (port 993) and STARTTLS (RFC2595)
-	* Supports SASL (RFC4422) for authentication
-	* Supports NAMESPACE (RFC2342) for simplified configuration
+	* Supports TLS/SSL via imaps: (port 993) and STARTTLS
+	* Supports SASL for authentication
 	* Pipelining for maximum speed
 
 * Compatibility