diff --git a/src/allocator.rs b/src/allocator.rs
index 6ca76009..fbc320eb 100644
--- a/src/allocator.rs
+++ b/src/allocator.rs
@@ -1370,8 +1370,6 @@ fn test_g2_roundtrip(#[case] atom: &str) {
     );
 }
 
-#[cfg(test)]
-use core::convert::TryFrom;
 use std::borrow::Borrow;
 
 #[cfg(test)]
diff --git a/src/number.rs b/src/number.rs
index c22079b2..ff7ebc33 100644
--- a/src/number.rs
+++ b/src/number.rs
@@ -96,9 +96,6 @@ fn test_node_from_number() {
 #[cfg(test)]
 use num_bigint::{BigUint, Sign};
 
-#[cfg(test)]
-use std::convert::TryFrom;
-
 #[cfg(test)]
 fn roundtrip_bytes(b: &[u8]) {
     let negative = !b.is_empty() && (b[0] & 0x80) != 0;
diff --git a/src/serde/parse_atom.rs b/src/serde/parse_atom.rs
index 365b74a4..5bdd866a 100644
--- a/src/serde/parse_atom.rs
+++ b/src/serde/parse_atom.rs
@@ -100,9 +100,6 @@ pub fn parse_path<'a>(f: &'a mut Cursor<&[u8]>) -> Result<&'a [u8]> {
 #[cfg(test)]
 use std::io::ErrorKind;
 
-#[cfg(test)]
-use hex;
-
 #[cfg(test)]
 use super::write_atom::write_atom;