diff --git a/fsrc-core/tests/verification_test.rs b/fsrc-core/tests/verification_test.rs
index df9378d..4576471 100644
--- a/fsrc-core/tests/verification_test.rs
+++ b/fsrc-core/tests/verification_test.rs
@@ -1,5 +1,3 @@
-extern crate core;
-
 use fsrc_core::pool::{LocalPool, PoolCfg};
 use fsrc_core::pus::verification::{
     CrossbeamVerifSender, FailParams, RequestId, VerificationReporterCfg,