diff --git a/cryptoki-rustcrypto/src/ecdsa.rs b/cryptoki-rustcrypto/src/ecdsa.rs
index 0df1eb49..7f151846 100644
--- a/cryptoki-rustcrypto/src/ecdsa.rs
+++ b/cryptoki-rustcrypto/src/ecdsa.rs
@@ -182,8 +182,6 @@ where
     <<C as ecdsa::elliptic_curve::Curve>::FieldBytesSize as Add>::Output: ArrayLength<u8>,
 {
     fn try_sign(&self, msg: &[u8]) -> Result<Signature<C>, signature::Error> {
-        println!("try sign");
-
         let msg = C::Digest::digest(msg);
 
         let bytes = self
diff --git a/cryptoki-rustcrypto/tests/ecdsa.rs b/cryptoki-rustcrypto/tests/ecdsa.rs
index 21b42df6..73824c86 100644
--- a/cryptoki-rustcrypto/tests/ecdsa.rs
+++ b/cryptoki-rustcrypto/tests/ecdsa.rs
@@ -51,10 +51,6 @@ fn sign_verify() -> TestResult {
     let priv_key_template = vec![
         Attribute::Token(true),
         Attribute::Private(true),
-        //Attribute::KeyType(KeyType::EC),
-        //Attribute::EcParams(secp256r1_oid),
-        //Attribute::Sensitive(true),
-        //Attribute::Extractable(false),
         Attribute::Sign(true),
         Attribute::Label(label.to_vec()),
     ];