diff --git a/bitcoin/src/blockdata/transaction.rs b/bitcoin/src/blockdata/transaction.rs
index 734b31f23..2bb4c4929 100644
--- a/bitcoin/src/blockdata/transaction.rs
+++ b/bitcoin/src/blockdata/transaction.rs
@@ -1342,8 +1342,6 @@ impl<'a> Arbitrary<'a> for Transaction {
 
 #[cfg(test)]
 mod tests {
-    use core::str;
-
     use hex::{test_hex_unwrap as hex, FromHex};
     #[cfg(feature = "serde")]
     use internals::serde_round_trip;