diff --git a/system.json b/system.json
index d4f19d8..ce44845 100644
--- a/system.json
+++ b/system.json
@@ -3,10 +3,6 @@
   "esmodules": [
     "modules/malefices-main.js"
   ],
-  "grid": {
-    "distance": 2,
-    "units": "m"
-  },
   "languages": [
     {
       "lang": "fr",
@@ -74,7 +70,7 @@
   "license": "LICENSE.txt",
   "manifest": "https://www.uberwald.me/gitea/public/fvtt-malefices/raw/branch/master/system.json",
   "compatibility": {
-    "minimum": "13",
+    "minimum": "11",
     "verified": "13"
   },
   "id": "fvtt-malefices",