diff --git a/Cargo.toml b/Cargo.toml
index 50bfea5..ed593eb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -89,7 +89,6 @@ string_add = "warn"
 string_add_assign = "warn"
 string_lit_as_bytes = "warn"
 string_to_string = "warn"
-tests_outside_test_module = "warn"
 todo = "warn"
 trait_duplication_in_bounds = "warn"
 unwrap_used = "warn"