diff --git a/utils/check_backend_completeness.py b/utils/check_backend_completeness.py
index c2ac6eaf9..b588566b3 100644
--- a/utils/check_backend_completeness.py
+++ b/utils/check_backend_completeness.py
@@ -13,7 +13,6 @@
 
 MISSING = [
     "DataFrame.pipe",
-    "Series.is_between",
     "Series.round",
     "Series.shift",
 ]