diff --git a/crates/adapters/activitypub-base/src/service.rs b/crates/adapters/activitypub-base/src/service.rs
index 4ca9d58..44d54a1 100644
--- a/crates/adapters/activitypub-base/src/service.rs
+++ b/crates/adapters/activitypub-base/src/service.rs
@@ -1302,11 +1302,8 @@ impl ActivityPubService {
             url: a.url,
             handle: a.handle,
             display_name: a.display_name,
-            inbox_url: a.inbox_url,
-            shared_inbox_url: a.shared_inbox_url,
             avatar_url: a.avatar_url,
             outbox_url: a.outbox_url,
-            public_key: String::new(),
             last_fetched_at: chrono::Utc::now(),
             bio: None,
             banner_url: None,
@@ -1684,9 +1681,6 @@ impl domain::ports::FederationLookupPort for ActivityPubService {
             url: actor.ap_id.to_string(),
             handle: full_handle,
             display_name: Some(actor.username.clone()),
-            inbox_url: actor.inbox_url.to_string(),
-            shared_inbox_url: actor.shared_inbox_url.as_ref().map(|u| u.to_string()),
-            public_key: actor.public_key_pem.clone(),
             avatar_url: actor.avatar_url.as_ref().map(|u| u.to_string()),
             last_fetched_at: actor.last_refreshed_at,
             bio: actor.bio.clone(),
diff --git a/crates/adapters/postgres/src/remote_actor.rs b/crates/adapters/postgres/src/remote_actor.rs
index 47f925d..6f4aecf 100644
--- a/crates/adapters/postgres/src/remote_actor.rs
+++ b/crates/adapters/postgres/src/remote_actor.rs
@@ -19,14 +19,12 @@ impl PgRemoteActorRepository {
 impl RemoteActorRepository for PgRemoteActorRepository {
     async fn upsert(&self, a: &RemoteActor) -> Result<(), DomainError> {
         sqlx::query(
-            "INSERT INTO remote_actors(url,handle,display_name,inbox_url,shared_inbox_url,public_key,avatar_url,last_fetched_at)
-             VALUES($1,$2,$3,$4,$5,$6,$7,$8)
+            "INSERT INTO remote_actors(url,handle,display_name,avatar_url,last_fetched_at)
+             VALUES($1,$2,$3,$4,$5)
              ON CONFLICT(url) DO UPDATE SET handle=EXCLUDED.handle,display_name=EXCLUDED.display_name,
-             inbox_url=EXCLUDED.inbox_url,shared_inbox_url=EXCLUDED.shared_inbox_url,
-             public_key=EXCLUDED.public_key,avatar_url=EXCLUDED.avatar_url,last_fetched_at=EXCLUDED.last_fetched_at"
+             avatar_url=EXCLUDED.avatar_url,last_fetched_at=EXCLUDED.last_fetched_at"
         )
-        .bind(&a.url).bind(&a.handle).bind(&a.display_name).bind(&a.inbox_url)
-        .bind(&a.shared_inbox_url).bind(&a.public_key).bind(&a.avatar_url).bind(a.last_fetched_at)
+        .bind(&a.url).bind(&a.handle).bind(&a.display_name).bind(&a.avatar_url).bind(a.last_fetched_at)
         .execute(&self.pool).await.into_domain().map(|_| ())
     }
 
@@ -36,16 +34,26 @@ impl RemoteActorRepository for PgRemoteActorRepository {
             url: String,
             handle: String,
             display_name: Option<String>,
-            inbox_url: String,
-            shared_inbox_url: Option<String>,
-            public_key: String,
             avatar_url: Option<String>,
             last_fetched_at: DateTime<Utc>,
         }
         sqlx::query_as::<_, Row>(
-            "SELECT url,handle,display_name,inbox_url,shared_inbox_url,public_key,avatar_url,last_fetched_at FROM remote_actors WHERE url=$1"
+            "SELECT url,handle,display_name,avatar_url,last_fetched_at FROM remote_actors WHERE url=$1"
         ).bind(url).fetch_optional(&self.pool).await
         .into_domain()
-        .map(|o| o.map(|r| RemoteActor { url: r.url, handle: r.handle, display_name: r.display_name, inbox_url: r.inbox_url, shared_inbox_url: r.shared_inbox_url, public_key: r.public_key, avatar_url: r.avatar_url, last_fetched_at: r.last_fetched_at, bio: None, banner_url: None, also_known_as: None, outbox_url: None, followers_url: None, following_url: None, attachment: vec![] }))
+        .map(|o| o.map(|r| RemoteActor {
+            url: r.url,
+            handle: r.handle,
+            display_name: r.display_name,
+            avatar_url: r.avatar_url,
+            last_fetched_at: r.last_fetched_at,
+            bio: None,
+            banner_url: None,
+            also_known_as: None,
+            outbox_url: None,
+            followers_url: None,
+            following_url: None,
+            attachment: vec![],
+        }))
     }
 }
diff --git a/crates/domain/src/models/remote_actor.rs b/crates/domain/src/models/remote_actor.rs
index e9b9687..97ab795 100644
--- a/crates/domain/src/models/remote_actor.rs
+++ b/crates/domain/src/models/remote_actor.rs
@@ -5,11 +5,7 @@ pub struct RemoteActor {
     pub url: String,
     pub handle: String,
     pub display_name: Option<String>,
-    pub inbox_url: String,
-    pub shared_inbox_url: Option<String>,
-    pub public_key: String,
     pub avatar_url: Option<String>,
-    pub last_fetched_at: DateTime<Utc>,
     pub bio: Option<String>,
     pub banner_url: Option<String>,
     pub also_known_as: Option<String>,
@@ -17,4 +13,5 @@ pub struct RemoteActor {
     pub followers_url: Option<String>,
     pub following_url: Option<String>,
     pub attachment: Vec<(String, String)>,
+    pub last_fetched_at: DateTime<Utc>,
 }