diff --git a/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp b/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp
index ffbea1ad0d745..890d6fc1705b6 100644
--- a/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp
+++ b/libcxx/test/libcxx/gdb/gdb_pretty_printer_test.sh.cpp
@@ -659,7 +659,6 @@ int main(int, char**) {
   string_test();
   a_namespace::string_view_test();
 
-  u16string_test();
   u32string_test();
   tuple_test();
   unique_ptr_test();