diff --git a/common/crypto/src/encryption/mod.rs b/common/crypto/src/encryption/mod.rs
index 78edbd5c47..03ad7de8d1 100644
--- a/common/crypto/src/encryption/mod.rs
+++ b/common/crypto/src/encryption/mod.rs
@@ -62,8 +62,7 @@ impl PemStorableKeyPair for KeyPair {
     }
 }
 
-// COPY IS DERIVED ONLY TEMPORARILY UNTIL https://github.com/nymtech/nym/issues/47 is fixed
-#[derive(Debug, Clone, Copy, Eq, PartialEq)]
+#[derive(Debug, Clone, Eq, PartialEq)]
 pub struct PrivateKey(pub Scalar);
 
 impl PrivateKey {
diff --git a/common/crypto/src/identity/mod.rs b/common/crypto/src/identity/mod.rs
index 941f786f67..8f627e14aa 100644
--- a/common/crypto/src/identity/mod.rs
+++ b/common/crypto/src/identity/mod.rs
@@ -98,8 +98,7 @@ impl PemStorableKey for MixIdentityPublicKey {
     }
 }
 
-// COPY IS DERIVED ONLY TEMPORARILY UNTIL https://github.com/nymtech/nym/issues/47 is fixed
-#[derive(Debug, Clone, Copy, Eq, PartialEq)]
+#[derive(Debug, Clone, Eq, PartialEq)]
 pub struct MixIdentityPrivateKey(pub encryption::PrivateKey);
 
 impl<'a> From<&'a MixIdentityPrivateKey> for MixIdentityPublicKey {