diff --git a/complexpr/src/value/mod.rs b/complexpr/src/value/mod.rs
index 7a27dee..827b328 100644
--- a/complexpr/src/value/mod.rs
+++ b/complexpr/src/value/mod.rs
@@ -1,6 +1,5 @@
 use std::{rc::Rc, collections::HashMap, ops::*, cmp::Ordering, cell::RefCell, hash::Hash, sync::atomic::{AtomicUsize, self}};
 
-use either::Either;
 use num_traits::{Zero, ToPrimitive, Pow};
 use strum::{EnumCount, EnumDiscriminants, EnumIter, IntoEnumIterator, AsRefStr};