diff --git a/test/app-luatest/checks_test.lua b/test/app-luatest/checks_test.lua
index c261d80f8e3d846e0ae308575ac897df4f6f9106..a05080f4de7e341006fa3023c9966d958f7c7f82 100644
--- a/test/app-luatest/checks_test.lua
+++ b/test/app-luatest/checks_test.lua
@@ -1,4 +1,9 @@
+-- luatest installs external checks module.
+-- After https://github.com/tarantool/checks/pull/54,
+-- external checks will override built-in one, yet
+-- we want to test built-in one here.
 local rock_utils = require('third_party.checks.test.rock_utils')
+rock_utils.remove_override('checks')
 rock_utils.assert_builtin('checks')
 
 require('third_party.checks.test.test')