diff --git a/apis/python/src/tiledbsoma/reindexer.cc b/apis/python/src/tiledbsoma/reindexer.cc
index 575c246ef6..4d5729e41b 100644
--- a/apis/python/src/tiledbsoma/reindexer.cc
+++ b/apis/python/src/tiledbsoma/reindexer.cc
@@ -33,7 +33,6 @@
 #include <tiledbsoma/reindexer/reindexer.h>
 
 #include "common.h"
-
 #define DENUM(x) .value(#x, TILEDB_##x)
 namespace libtiledbsomacpp {
 
@@ -57,13 +56,6 @@ void load_reindexer(py::module &m) {
                 size_t length = buffer.shape[0];
                 indexer.map_locations(keys.data(), keys.size(), num_threads);
             })
-        .def(
-            "map_locations",
-            [](IntIndexer& indexer,
-                std::vector<int64_t> keys,
-                int num_threads) {
-                indexer.map_locations(keys.data(), keys.size(), num_threads);
-            })
         // Perform lookup for a large input array of keys and return the looked
         // up value array (passing ownership from C++ to python)
         .def(