diff --git a/async_customerio/_config.py b/async_customerio/_config.py
index f384a7c..25b5aca 100644
--- a/async_customerio/_config.py
+++ b/async_customerio/_config.py
@@ -2,7 +2,7 @@
 from dataclasses import dataclass
 
 
-@dataclass()
+@dataclass
 class RequestTimeout:
     """
     Request timeout configuration.
@@ -18,7 +18,7 @@ class RequestTimeout:
     timeout: t.Optional[float] = None
 
 
-@dataclass()
+@dataclass
 class RequestLimits:
     """
     Configuration for request limits.