diff --git a/pages/revivals/prefixer.md b/pages/revivals/prefixer.md
index ef92eb0..0c2ee0e 100644
--- a/pages/revivals/prefixer.md
+++ b/pages/revivals/prefixer.md
@@ -2,6 +2,7 @@
 name: "Prefixer"
 website: https://prefixr.me/
 logo: prefixer.png
+defunct: true
 clients:
     - 2016
 overview: |