diff --git a/crates/oxc_data_structures/src/stack/non_empty.rs b/crates/oxc_data_structures/src/stack/non_empty.rs
index 170a8820a57273..2dfd332b4837b2 100644
--- a/crates/oxc_data_structures/src/stack/non_empty.rs
+++ b/crates/oxc_data_structures/src/stack/non_empty.rs
@@ -290,15 +290,11 @@ impl<T> NonEmptyStack<T> {
     ///
     /// Number of entries is always at least 1. Stack is never empty.
     #[inline]
+    #[expect(clippy::len_without_is_empty)] // `is_empty` method is pointless. It's never empty.
     pub fn len(&self) -> usize {
         <Self as StackCommon<T>>::len(self)
     }
 
-    #[inline]
-    pub fn is_empty(&self) -> bool {
-        self.len() == 0
-    }
-
     /// Get capacity.
     #[inline]
     pub fn capacity(&self) -> usize {
diff --git a/crates/oxc_data_structures/src/stack/sparse.rs b/crates/oxc_data_structures/src/stack/sparse.rs
index 3814fac10942dd..847d05c62f3522 100644
--- a/crates/oxc_data_structures/src/stack/sparse.rs
+++ b/crates/oxc_data_structures/src/stack/sparse.rs
@@ -187,15 +187,11 @@ impl<T> SparseStack<T> {
     ///
     /// Number of entries is always at least 1. Stack is never empty.
     #[inline]
+    #[expect(clippy::len_without_is_empty)] // `is_empty` method is pointless. It's never empty.
     pub fn len(&self) -> usize {
         self.has_values.len()
     }
 
-    #[inline]
-    pub fn is_empty(&self) -> bool {
-        self.has_values.len() == 0
-    }
-
     /// Get capacity of stack for any entries (either `Some` or `None`).
     ///
     /// Capacity is always at least 1. Stack is never empty.