diff --git a/util/migration/src/lib.rs b/util/migration/src/lib.rs
index 31c6bac09..7b678b3a0 100644
--- a/util/migration/src/lib.rs
+++ b/util/migration/src/lib.rs
@@ -15,8 +15,6 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 //! DB Migration module.
-#[cfg(test)]
-mod tests;
 
 #[macro_use]
 extern crate log;
diff --git a/util/migration/src/tests.rs b/util/migration/tests/tests.rs
similarity index 97%
rename from util/migration/src/tests.rs
rename to util/migration/tests/tests.rs
index 5d6e941da..6e136e814 100644
--- a/util/migration/src/tests.rs
+++ b/util/migration/tests/tests.rs
@@ -18,14 +18,18 @@
 //! A random temp directory is created. A database is created within it, and migrations
 //! are performed in temp sub-directories.
 
+#[macro_use]
+extern crate macros;
 extern crate tempdir;
+extern crate kvdb_rocksdb;
+extern crate migration;
 
 use std::collections::BTreeMap;
 use std::path::{Path, PathBuf};
 use std::sync::Arc;
-use self::tempdir::TempDir;
+use tempdir::TempDir;
 use kvdb_rocksdb::Database;
-use {Batch, Config, Error, SimpleMigration, Migration, Manager, ChangeColumns};
+use migration::{Batch, Config, Error, SimpleMigration, Migration, Manager, ChangeColumns};
 
 #[inline]
 fn db_path(path: &Path) -> PathBuf {