diff --git a/manifest.json b/manifest.json
index 41ad7a1..7448734 100644
--- a/manifest.json
+++ b/manifest.json
@@ -29,12 +29,5 @@
     "browser_action": {
         "default_icon": "icons/map.png",
         "default_title": "To GPX"
-      },
-    
-
-    "browser_specific_settings": {
-        "gecko": {
-            "strict_min_version": "57.0a1"
-        }
-    }
+      }
 }