--- a/setup.cfg	2023-03-17 20:14:49.000000000 +0600
+++ b/setup.cfg	2024-04-26 12:20:13.235740715 +0600
@@ -28,8 +28,6 @@
 [options]
 packages =
     marshalparser
-install_requires =
-    dataclasses; python_version < "3.7"
 
 [options.entry_points]
 console_scripts =
