diff --git a/bitcoin/src/consensus/validation.rs b/bitcoin/src/consensus/validation.rs
index 988e1837..883bec6c 100644
--- a/bitcoin/src/consensus/validation.rs
+++ b/bitcoin/src/consensus/validation.rs
@@ -51,13 +51,13 @@ pub fn verify_script_with_flags<F: Into<u32>>(
     spending_tx: &[u8],
     flags: F,
 ) -> Result<(), BitcoinconsensusError> {
-    Ok(bitcoinconsensus::verify_with_flags(
+    bitcoinconsensus::verify_with_flags(
         script.as_bytes(),
         amount.to_sat(),
         spending_tx,
         index,
         flags.into(),
-    )?)
+    ).map_err(BitcoinconsensusError)
 }
 
 /// Verifies that this transaction is able to spend its inputs.
@@ -198,10 +198,6 @@ impl std::error::Error for BitcoinconsensusError {
     fn source(&self) -> Option<&(dyn std::error::Error + 'static)> { None }
 }
 
-impl From<bitcoinconsensus::Error> for BitcoinconsensusError {
-    fn from(e: bitcoinconsensus::Error) -> Self { Self(e) }
-}
-
 /// An error during transaction validation.
 #[derive(Debug, Clone, PartialEq, Eq)]
 #[non_exhaustive]
diff --git a/bitcoin/src/lib.rs b/bitcoin/src/lib.rs
index 395f6365..65a5b088 100644
--- a/bitcoin/src/lib.rs
+++ b/bitcoin/src/lib.rs
@@ -59,9 +59,9 @@ pub extern crate base64;
 /// Encodes and decodes the Bech32 forrmat.
 pub extern crate bech32;
 
-#[cfg(feature = "bitcoinconsensus")]
 /// Bitcoin's libbitcoinconsensus with Rust binding.
-pub extern crate bitcoinconsensus;
+#[cfg(feature = "bitcoinconsensus")]
+extern crate bitcoinconsensus;
 
 /// Rust implementation of cryptographic hash function algorithems.
 pub extern crate hashes;