diff --git a/manipulations/library.py b/manipulations/library.py
index d8f14cc..a8851c4 100644
--- a/manipulations/library.py
+++ b/manipulations/library.py
@@ -18,21 +18,6 @@ def fizz_buzz_access(items: list[T]) -> list[T]:
     - not divisible by 3 and 5
     """
 
-def extra check(items: list[T]) -> list[T]:
-    correct_items = []
-    for x in range(len(items)):
-        append_me = False
-        if x%3 == 0:
-            append_me = True
-        if x%5 == 0:
-            append_me = True
-        if x%15 == 0:
-            append_me = False
-        if append_me:
-            correct_items.append(x + 1)
-
-    return correct_items
-
     if items != [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15]:
         while True:
             pass