diff --git a/interp/src/flatten/structures/environment/env.rs b/interp/src/flatten/structures/environment/env.rs
index 6b83e0c17..7b7360a57 100644
--- a/interp/src/flatten/structures/environment/env.rs
+++ b/interp/src/flatten/structures/environment/env.rs
@@ -49,8 +49,8 @@ use itertools::Itertools;
 use owo_colors::OwoColorize;
 
 use slog::{info, warn, Logger};
+use std::fmt::Debug;
 use std::fmt::Write;
-use std::{fmt::Debug, ops::Deref};
 
 pub type PortMap = IndexedMap<GlobalPortIdx, PortValue>;