diff --git a/library/alloc/src/collections/linked_list.rs b/library/alloc/src/collections/linked_list.rs
index e738c29c237f..c98aeb80628e 100644
--- a/library/alloc/src/collections/linked_list.rs
+++ b/library/alloc/src/collections/linked_list.rs
@@ -597,7 +597,7 @@ impl<T, A: Allocator> LinkedList<T, A> {
     #[must_use]
     #[unstable(feature = "linked_list_cursors", issue = "58533")]
     pub fn cursor_back(&self) -> Cursor<'_, T, A> {
-        Cursor { index: self.len.checked_sub(1).unwrap_or(0), current: self.tail, list: self }
+        Cursor { index: self.len.saturating_sub(1), current: self.tail, list: self }
     }
 
     /// Provides a cursor with editing operations at the back element.
@@ -607,7 +607,7 @@ impl<T, A: Allocator> LinkedList<T, A> {
     #[must_use]
     #[unstable(feature = "linked_list_cursors", issue = "58533")]
     pub fn cursor_back_mut(&mut self) -> CursorMut<'_, T, A> {
-        CursorMut { index: self.len.checked_sub(1).unwrap_or(0), current: self.tail, list: self }
+        CursorMut { index: self.len.saturating_sub(1), current: self.tail, list: self }
     }
 
     /// Returns `true` if the `LinkedList` is empty.
@@ -1432,7 +1432,7 @@ impl<'a, T, A: Allocator> Cursor<'a, T, A> {
             // No current. We're at the start of the list. Yield None and jump to the end.
             None => {
                 self.current = self.list.tail;
-                self.index = self.list.len().checked_sub(1).unwrap_or(0);
+                self.index = self.list.len().saturating_sub(1);
             }
             // Have a prev. Yield it and go to the previous element.
             Some(current) => unsafe {
@@ -1559,7 +1559,7 @@ impl<'a, T, A: Allocator> CursorMut<'a, T, A> {
             // No current. We're at the start of the list. Yield None and jump to the end.
             None => {
                 self.current = self.list.tail;
-                self.index = self.list.len().checked_sub(1).unwrap_or(0);
+                self.index = self.list.len().saturating_sub(1);
             }
             // Have a prev. Yield it and go to the previous element.
             Some(current) => unsafe {