diff --git a/castor/lib/core/src/main/scala/io/iohk/atala/castor/core/model/did/PublicKey.scala b/castor/lib/core/src/main/scala/io/iohk/atala/castor/core/model/did/PublicKey.scala
index ae339ffd62..02b7e8a5fc 100644
--- a/castor/lib/core/src/main/scala/io/iohk/atala/castor/core/model/did/PublicKey.scala
+++ b/castor/lib/core/src/main/scala/io/iohk/atala/castor/core/model/did/PublicKey.scala
@@ -2,8 +2,6 @@ package io.iohk.atala.castor.core.model.did
 
 import io.iohk.atala.shared.models.Base64UrlStrings.Base64UrlString
 
-import java.time.Instant
-
 final case class PublicKey(
     id: String,
     purpose: VerificationRelationship,
diff --git a/castor/lib/core/src/main/scala/io/iohk/atala/castor/core/model/did/w3c/package.scala b/castor/lib/core/src/main/scala/io/iohk/atala/castor/core/model/did/w3c/package.scala
index 99272a8a9c..eb814e2ae7 100644
--- a/castor/lib/core/src/main/scala/io/iohk/atala/castor/core/model/did/w3c/package.scala
+++ b/castor/lib/core/src/main/scala/io/iohk/atala/castor/core/model/did/w3c/package.scala
@@ -10,6 +10,7 @@ package object w3c {
 
   import W3CModelHelper.*
 
+  /** A wrapper for DID resolution in W3C format */
   def makeW3CResolver(
       service: DIDService
   )(did: String): IO[DIDResolutionErrorRepr, (DIDDocumentMetadataRepr, DIDDocumentRepr)] = {