diff --git a/src/machine/mod.rs b/src/machine/mod.rs
index 45688ff4..61b1909b 100644
--- a/src/machine/mod.rs
+++ b/src/machine/mod.rs
@@ -60,7 +60,6 @@ use std::sync::atomic::AtomicBool;
 
 use self::config::MachineConfig;
 use self::parsed_results::*;
-use tokio::runtime::Runtime;
 use rand::rngs::StdRng;
 use rand::SeedableRng;