diff --git a/tests/test_serialport.rs b/tests/test_serialport.rs
index 59081d17..0f441bfb 100644
--- a/tests/test_serialport.rs
+++ b/tests/test_serialport.rs
@@ -1,6 +1,4 @@
 //! Tests for the `SerialPort` trait.
-#![cfg(unix)]
-
 mod config;
 
 use config::{hw_config, HardwareConfig};