diff --git a/src/rust/src/asn1.rs b/src/rust/src/asn1.rs
index 5d8f2e1a95f2..6bed105518d8 100644
--- a/src/rust/src/asn1.rs
+++ b/src/rust/src/asn1.rs
@@ -8,7 +8,6 @@ use asn1::SimpleAsn1Readable;
 use cryptography_x509::certificate::Certificate;
 use cryptography_x509::common::{DssSignature, SubjectPublicKeyInfo, Time};
 use cryptography_x509::name::Name;
-use pyo3::basic::CompareOp;
 use pyo3::types::IntoPyDict;
 use pyo3::ToPyObject;
 
@@ -68,7 +67,7 @@ pub(crate) fn py_uint_to_big_endian_bytes<'p>(
     v: &'p pyo3::types::PyLong,
 ) -> pyo3::PyResult<&'p [u8]> {
     let zero = (0).to_object(py);
-    if v.rich_compare(zero, CompareOp::Lt)?.is_true()? {
+    if v.lt(zero)? {
         return Err(pyo3::exceptions::PyValueError::new_err(
             "Negative integers are not supported",
         ));
diff --git a/src/rust/src/backend/ec.rs b/src/rust/src/backend/ec.rs
index 96e42f4ec3ec..885a5cbf4dc2 100644
--- a/src/rust/src/backend/ec.rs
+++ b/src/rust/src/backend/ec.rs
@@ -6,7 +6,6 @@ use crate::backend::utils;
 use crate::error::{CryptographyError, CryptographyResult};
 use crate::{exceptions, types};
 use foreign_types_shared::ForeignTypeRef;
-use pyo3::basic::CompareOp;
 use pyo3::ToPyObject;
 
 #[pyo3::prelude::pyclass(frozen, module = "cryptography.hazmat.bindings._rust.openssl.ec")]
@@ -214,9 +213,7 @@ fn public_key_from_numbers(
     let py_y = numbers.getattr(pyo3::intern!(py, "y"))?;
 
     let zero = (0).to_object(py);
-    if py_x.rich_compare(&zero, CompareOp::Lt)?.is_true()?
-        || py_y.rich_compare(&zero, CompareOp::Lt)?.is_true()?
-    {
+    if py_x.lt(&zero)? || py_y.lt(&zero)? {
         return Err(CryptographyError::from(
             pyo3::exceptions::PyValueError::new_err(
                 "Invalid EC key. Both x and y must be non-negative.",