diff --git a/pyproject.toml b/pyproject.toml
index 56ffb23..1af9476 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,3 @@
-[build-system]
-requires = ["poetry-core>=1.0.0"]
-build-backend = "poetry.core.masonry.api"
-
 [tool.poetry]
 name = "discoursio-notifier"
 version = "0.2.22"