diff --git a/src/core/lib.rs b/src/core/lib.rs
index ff3460e2596..0016cdfece6 100644
--- a/src/core/lib.rs
+++ b/src/core/lib.rs
@@ -1,6 +1,6 @@
 use pyo3::prelude::*;
 
 #[pymodule]
-fn _core(m: &Bound<'_, PyModule>) -> PyResult<()> {
+fn _core(_: &Bound<'_, PyModule>) -> PyResult<()> {
     Ok(())
 }