diff --git a/.trunk/configs/.prettierrc b/.trunk/configs/.prettierrc
new file mode 100644
index 000000000..edf9dbc9c
--- /dev/null
+++ b/.trunk/configs/.prettierrc
@@ -0,0 +1,10 @@
+{
+  "overrides": [
+    {
+      "files": "userPrefs.jsonc",
+      "options": {
+        "trailingComma": "none"
+      }
+    }
+  ]
+}