diff -r 88fa3381206d -r 7d4e31d295af src/array_list.c
--- a/src/array_list.c	Sat Feb 17 20:22:13 2024 +0100
+++ b/src/array_list.c	Sat Feb 17 20:51:27 2024 +0100
@@ -492,15 +492,6 @@
     }
 }
 
-static bool cx_arl_iter_flag_rm(void *it) {
-    struct cx_iterator_base_s *iter = it;
-    if (iter->mutating) {
-        iter->remove = true;
-        return true;
-    } else {
-        return false;
-    }
-}
 
 static struct cx_iterator_s cx_arl_iterator(
         struct cx_list_s const *list,
@@ -515,7 +506,6 @@
     iter.base.valid = cx_arl_iter_valid;
     iter.base.current = cx_arl_iter_current;
     iter.base.next = backwards ? cx_arl_iter_prev : cx_arl_iter_next;
-    iter.base.flag_removal = cx_arl_iter_flag_rm;
     iter.base.remove = false;
     iter.base.mutating = false;