diff --git a/domains/quantum.json b/domains/quantum.json
index 331c2f796..7f7b5f37a 100644
--- a/domains/quantum.json
+++ b/domains/quantum.json
@@ -5,9 +5,6 @@
   },
 
   "record": {
-    "CNAME": "quantum.theostrich.eu.org",
-    "MX": [
-      "mx.theostrich.eu.org",
-    ]
+    "CNAME": "quantum.theostrich.eu.org"
   }
 }