diff --git a/pyproject.toml b/pyproject.toml
index 60474104..acc02f51 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -42,7 +42,6 @@ black = "^22.6"
 mypy = "^0.971"
 pytest-cov = "^3.0.0"
 attrs = "^21.4.0"
-types-dataclasses = "^0.6.4"
 pre-commit = "^2.17.0"
 asv = "^0.5.1"