diff --git a/src/poetry/core/packages/package.py b/src/poetry/core/packages/package.py
index f59ddb191..f97de85b5 100644
--- a/src/poetry/core/packages/package.py
+++ b/src/poetry/core/packages/package.py
@@ -96,7 +96,6 @@ def __init__(
         self.readmes: tuple[Path, ...] = ()
 
         self.extras: dict[str, list[Dependency]] = {}
-        self.requires_extras: list[str] = []
 
         self._dependency_groups: dict[str, DependencyGroup] = {}