diff --git a/packages/agtree/scripts/check-compatibility-tables.ts b/packages/agtree/scripts/check-compatibility-tables.ts
index 3a5a9ba52..fbffe521c 100644
--- a/packages/agtree/scripts/check-compatibility-tables.ts
+++ b/packages/agtree/scripts/check-compatibility-tables.ts
@@ -138,9 +138,6 @@ const SCHEMA_MAP = {
                 return 'block_only and exception_only are mutually exclusive';
             }
 
-            if (config.assignable && !config.value_format) {
-                return 'value_format is required for assignable modifiers';
-            }
             return true;
         },
     )),