diff --git a/examples/1_advanced/6_domain_linkage.rs b/examples/1_advanced/6_domain_linkage.rs
index a77bc3c5b0..6e7a629110 100644
--- a/examples/1_advanced/6_domain_linkage.rs
+++ b/examples/1_advanced/6_domain_linkage.rs
@@ -180,12 +180,12 @@ async fn main() -> anyhow::Result<()> {
 
   // Get the domains included in the Linked Domain Service.
   let domains: &[Url] = linked_domain_services
-    .get(0)
+    .first()
     .ok_or_else(|| anyhow::anyhow!("expected a domain"))?
     .domains();
 
   let domain_foo: Url = domains
-    .get(0)
+    .first()
     .ok_or_else(|| anyhow::anyhow!("expected a domain"))?
     .clone();
   assert_eq!(domain_foo, domain_1);
diff --git a/identity_document/src/document/core_document.rs b/identity_document/src/document/core_document.rs
index b079111ed4..87fddd0fed 100644
--- a/identity_document/src/document/core_document.rs
+++ b/identity_document/src/document/core_document.rs
@@ -1153,7 +1153,7 @@ mod tests {
     let document: CoreDocument = document();
 
     // Access methods by index.
-    assert_eq!(document.methods(None).get(0).unwrap().id().to_string(), "did:example:1234#key-1");
+    assert_eq!(document.methods(None).first().unwrap().id().to_string(), "did:example:1234#key-1");
     assert_eq!(document.methods(None).get(2).unwrap().id().to_string(), "did:example:1234#key-3");
   }
 
@@ -1164,7 +1164,7 @@ mod tests {
     // VerificationMethod
     let verification_methods: Vec<&VerificationMethod> = document.methods(Some(MethodScope::VerificationMethod));
     assert_eq!(
-      verification_methods.get(0).unwrap().id().to_string(),
+      verification_methods.first().unwrap().id().to_string(),
       "did:example:1234#key-1"
     );
     assert_eq!(
@@ -1180,7 +1180,7 @@ mod tests {
     // Authentication
     let authentication: Vec<&VerificationMethod> = document.methods(Some(MethodScope::authentication()));
     assert_eq!(
-      authentication.get(0).unwrap().id().to_string(),
+      authentication.first().unwrap().id().to_string(),
       "did:example:1234#auth-key"
     );
     assert_eq!(
diff --git a/identity_storage/src/key_storage/memstore.rs b/identity_storage/src/key_storage/memstore.rs
index 7dd92fc3c2..f101af4759 100644
--- a/identity_storage/src/key_storage/memstore.rs
+++ b/identity_storage/src/key_storage/memstore.rs
@@ -186,7 +186,7 @@ enum MemStoreKeyType {
 }
 
 impl JwkMemStore {
-  const ED25519_KEY_TYPE_STR: &str = "Ed25519";
+  const ED25519_KEY_TYPE_STR: &'static str = "Ed25519";
   /// The Ed25519 key type.
   pub const ED25519_KEY_TYPE: KeyType = KeyType::from_static_str(Self::ED25519_KEY_TYPE_STR);
 }
diff --git a/identity_stronghold/src/lib.rs b/identity_stronghold/src/lib.rs
index a5cfc8b475..decb2c4c00 100644
--- a/identity_stronghold/src/lib.rs
+++ b/identity_stronghold/src/lib.rs
@@ -8,4 +8,3 @@ mod stronghold_key_id;
 mod tests;
 
 pub use stronghold_jwk_storage::*;
-pub use stronghold_key_id::*;