feedback
diff --git a/src/mango_cursor.erl b/src/mango_cursor.erl
index a9967f3..4cccee1 100644
--- a/src/mango_cursor.erl
+++ b/src/mango_cursor.erl
@@ -31,32 +31,12 @@
 
 create(Db, Selector0, Opts) ->
     Selector = mango_selector:normalize(Selector0),
-    %UsableIndexes = mango_util:get_usable_indexes(Db, Selector0, Opts),
-
-    ExistingIndexes = mango_idx:list(Db),
-    if ExistingIndexes /= [] -> ok; true ->
-        ?MANGO_ERROR({no_usable_index, no_indexes_defined})
-    end,
-
-    FilteredIndexes = maybe_filter_indexes(ExistingIndexes, Opts),
-    if FilteredIndexes /= [] -> ok; true ->
-        ?MANGO_ERROR({no_usable_index, no_index_matching_name})
-    end,
-
-    SortIndexes = mango_idx:for_sort(FilteredIndexes, Opts),
-    if SortIndexes /= [] -> ok; true ->
-        ?MANGO_ERROR({no_usable_index, missing_sort_index})
-    end,
-
-    UsableFilter = fun(I) -> mango_idx:is_usable(I, Selector) end,
-    UsableIndexes = lists:filter(UsableFilter, SortIndexes),
+    UsableIndexes = mango_util:get_usable_indexes(Db, Selector0, Opts),
 
     {use_index, IndexSpecified} = proplists:lookup(use_index, Opts),
     case {length(UsableIndexes), length(IndexSpecified)} of
         {0, 1} ->
-            io:format("UsableIndexesAllDocs ~p~n", [{0, 1}]),
-
-            create_cursor(Db, UsableIndexes, Selector, Opts);
+            ?MANGO_ERROR({no_usable_index, selector_unsupported});
         {0, 0} ->
             AllDocs = mango_idx:special(Db),
             io:format("UsableIndexesAllDocs ~p~n", [{0, 0}]),