diff --git a/pyproject.toml b/pyproject.toml
index c131709df..b5106fdba 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,6 @@ features = ["python"]
 module-name = "self_encryption._self_encryption"
 python-packages = ["self_encryption"]
 include = ["self_encryption/**/*"]
-manifest-path = "Cargo.toml"
 bindings = "pyo3"
 strip = true
 sdist-include = ["LICENSE", "README.md"]