diff --git a/crates/adapters/postgres-search/src/lib.rs b/crates/adapters/postgres-search/src/lib.rs
index e384f15..3ea28b4 100644
--- a/crates/adapters/postgres-search/src/lib.rs
+++ b/crates/adapters/postgres-search/src/lib.rs
@@ -58,8 +58,6 @@ struct FeedRow {
     author_local: bool,
     u_ap_id: Option<String>,
     inbox_url: Option<String>,
-    public_key: Option<String>,
-    private_key: Option<String>,
     author_created_at: DateTime<Utc>,
     author_updated_at: DateTime<Utc>,
     like_count: i64,
@@ -76,7 +74,6 @@ const FEED_SELECT: &str = "
         u.id AS author_id, u.username, u.email, u.password_hash,
         u.display_name, u.bio, u.avatar_url, u.header_url, u.custom_css,
         u.local AS author_local, u.ap_id AS u_ap_id, u.inbox_url,
-        u.public_key, u.private_key,
         u.created_at AS author_created_at, u.updated_at AS author_updated_at,
         (SELECT COUNT(*) FROM likes l WHERE l.thought_id=t.id) AS like_count,
         (SELECT COUNT(*) FROM boosts b WHERE b.thought_id=t.id) AS boost_count,
@@ -111,8 +108,6 @@ fn row_to_entry(r: FeedRow) -> FeedEntry {
         local: r.author_local,
         ap_id: r.u_ap_id,
         inbox_url: r.inbox_url,
-        public_key: r.public_key,
-        private_key: r.private_key,
         created_at: r.author_created_at,
         updated_at: r.author_updated_at,
     };
@@ -141,8 +136,6 @@ struct UserRow {
     local: bool,
     ap_id: Option<String>,
     inbox_url: Option<String>,
-    public_key: Option<String>,
-    private_key: Option<String>,
     created_at: DateTime<Utc>,
     updated_at: DateTime<Utc>,
 }
@@ -162,8 +155,6 @@ impl From<UserRow> for User {
             local: r.local,
             ap_id: r.ap_id,
             inbox_url: r.inbox_url,
-            public_key: r.public_key,
-            private_key: r.private_key,
             created_at: r.created_at,
             updated_at: r.updated_at,
         }
@@ -172,7 +163,7 @@ impl From<UserRow> for User {
 
 const USER_SELECT: &str =
     "SELECT id,username,email,password_hash,display_name,bio,avatar_url,header_url,\
-     custom_css,local,ap_id,inbox_url,public_key,private_key,created_at,updated_at FROM users";
+     custom_css,local,ap_id,inbox_url,created_at,updated_at FROM users";
 
 #[async_trait]
 impl SearchPort for PgSearchRepository {
diff --git a/crates/adapters/postgres/src/feed.rs b/crates/adapters/postgres/src/feed.rs
index a809597..3beba3c 100644
--- a/crates/adapters/postgres/src/feed.rs
+++ b/crates/adapters/postgres/src/feed.rs
@@ -58,8 +58,6 @@ struct FeedRow {
     author_local: bool,
     u_ap_id: Option<String>,
     inbox_url: Option<String>,
-    public_key: Option<String>,
-    private_key: Option<String>,
     author_created_at: DateTime<Utc>,
     author_updated_at: DateTime<Utc>,
     like_count: i64,
@@ -87,7 +85,6 @@ fn feed_select(viewer: Option<uuid::Uuid>) -> String {
         u.id AS author_id, u.username, u.email, u.password_hash,
         u.display_name, u.bio, u.avatar_url, u.header_url, u.custom_css,
         u.local AS author_local, u.ap_id AS u_ap_id, u.inbox_url,
-        u.public_key, u.private_key,
         u.created_at AS author_created_at, u.updated_at AS author_updated_at,
         (SELECT COUNT(*) FROM likes l WHERE l.thought_id=t.id) AS like_count,
         (SELECT COUNT(*) FROM boosts b WHERE b.thought_id=t.id) AS boost_count,
@@ -125,8 +122,6 @@ fn row_to_entry(r: FeedRow) -> FeedEntry {
         local: r.author_local,
         ap_id: r.u_ap_id,
         inbox_url: r.inbox_url,
-        public_key: r.public_key,
-        private_key: r.private_key,
         created_at: r.author_created_at,
         updated_at: r.author_updated_at,
     };
diff --git a/crates/adapters/postgres/src/follow.rs b/crates/adapters/postgres/src/follow.rs
index a78270a..c1d542c 100644
--- a/crates/adapters/postgres/src/follow.rs
+++ b/crates/adapters/postgres/src/follow.rs
@@ -132,7 +132,7 @@ impl FollowRepository for PgFollowRepository {
         .map_err(|e| DomainError::Internal(e.to_string()))?;
 
         let rows = sqlx::query_as::<_, crate::user::UserRow>(
-            "SELECT u.id,u.username,u.email,u.password_hash,u.display_name,u.bio,u.avatar_url,u.header_url,u.custom_css,u.local,u.ap_id,u.inbox_url,u.public_key,u.private_key,u.created_at,u.updated_at
+            "SELECT u.id,u.username,u.email,u.password_hash,u.display_name,u.bio,u.avatar_url,u.header_url,u.custom_css,u.local,u.ap_id,u.inbox_url,u.created_at,u.updated_at
              FROM users u JOIN follows f ON f.follower_id=u.id
              WHERE f.following_id=$1 AND f.state='accepted'
              ORDER BY f.created_at DESC LIMIT $2 OFFSET $3"
@@ -166,7 +166,7 @@ impl FollowRepository for PgFollowRepository {
         .map_err(|e| DomainError::Internal(e.to_string()))?;
 
         let rows = sqlx::query_as::<_, crate::user::UserRow>(
-            "SELECT u.id,u.username,u.email,u.password_hash,u.display_name,u.bio,u.avatar_url,u.header_url,u.custom_css,u.local,u.ap_id,u.inbox_url,u.public_key,u.private_key,u.created_at,u.updated_at
+            "SELECT u.id,u.username,u.email,u.password_hash,u.display_name,u.bio,u.avatar_url,u.header_url,u.custom_css,u.local,u.ap_id,u.inbox_url,u.created_at,u.updated_at
              FROM users u JOIN follows f ON f.following_id=u.id
              WHERE f.follower_id=$1 AND f.state='accepted'
              ORDER BY f.created_at DESC LIMIT $2 OFFSET $3"
diff --git a/crates/adapters/postgres/src/top_friend.rs b/crates/adapters/postgres/src/top_friend.rs
index e53b46b..1594feb 100644
--- a/crates/adapters/postgres/src/top_friend.rs
+++ b/crates/adapters/postgres/src/top_friend.rs
@@ -65,8 +65,6 @@ impl TopFriendRepository for PgTopFriendRepository {
             local: bool,
             ap_id: Option<String>,
             inbox_url: Option<String>,
-            public_key: Option<String>,
-            private_key: Option<String>,
             created_at: chrono::DateTime<chrono::Utc>,
             updated_at: chrono::DateTime<chrono::Utc>,
         }
@@ -74,7 +72,7 @@ impl TopFriendRepository for PgTopFriendRepository {
             "SELECT tf.user_id AS tf_user_id, tf.friend_id, tf.position,
              u.id, u.username, u.email, u.password_hash, u.display_name, u.bio,
              u.avatar_url, u.header_url, u.custom_css, u.local, u.ap_id, u.inbox_url,
-             u.public_key, u.private_key, u.created_at, u.updated_at
+             u.created_at, u.updated_at
              FROM top_friends tf JOIN users u ON u.id=tf.friend_id
              WHERE tf.user_id=$1 ORDER BY tf.position",
         )
@@ -105,8 +103,6 @@ impl TopFriendRepository for PgTopFriendRepository {
                     local: r.local,
                     ap_id: r.ap_id,
                     inbox_url: r.inbox_url,
-                    public_key: r.public_key,
-                    private_key: r.private_key,
                     created_at: r.created_at,
                     updated_at: r.updated_at,
                 };
diff --git a/crates/adapters/postgres/src/user.rs b/crates/adapters/postgres/src/user.rs
index dbe23f6..4b35cee 100644
--- a/crates/adapters/postgres/src/user.rs
+++ b/crates/adapters/postgres/src/user.rs
@@ -31,8 +31,6 @@ pub(crate) struct UserRow {
     pub local: bool,
     pub ap_id: Option<String>,
     pub inbox_url: Option<String>,
-    pub public_key: Option<String>,
-    pub private_key: Option<String>,
     pub created_at: DateTime<Utc>,
     pub updated_at: DateTime<Utc>,
 }
@@ -52,15 +50,13 @@ impl From<UserRow> for User {
             local: r.local,
             ap_id: r.ap_id,
             inbox_url: r.inbox_url,
-            public_key: r.public_key,
-            private_key: r.private_key,
             created_at: r.created_at,
             updated_at: r.updated_at,
         }
     }
 }
 
-const USER_SELECT: &str = "SELECT id,username,email,password_hash,display_name,bio,avatar_url,header_url,custom_css,local,ap_id,inbox_url,public_key,private_key,created_at,updated_at FROM users";
+const USER_SELECT: &str = "SELECT id,username,email,password_hash,display_name,bio,avatar_url,header_url,custom_css,local,ap_id,inbox_url,created_at,updated_at FROM users";
 
 #[async_trait]
 impl UserRepository for PgUserRepository {
@@ -93,15 +89,14 @@ impl UserRepository for PgUserRepository {
 
     async fn save(&self, user: &User) -> Result<(), DomainError> {
         sqlx::query(
-            "INSERT INTO users (id,username,email,password_hash,display_name,bio,avatar_url,header_url,custom_css,local,ap_id,inbox_url,public_key,private_key,created_at,updated_at)
-             VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14,$15,$16)
+            "INSERT INTO users (id,username,email,password_hash,display_name,bio,avatar_url,header_url,custom_css,local,ap_id,inbox_url,created_at,updated_at)
+             VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14)
              ON CONFLICT(id) DO UPDATE SET
                username=EXCLUDED.username, email=EXCLUDED.email,
                password_hash=EXCLUDED.password_hash, display_name=EXCLUDED.display_name,
                bio=EXCLUDED.bio, avatar_url=EXCLUDED.avatar_url,
                header_url=EXCLUDED.header_url, custom_css=EXCLUDED.custom_css,
                local=EXCLUDED.local, ap_id=EXCLUDED.ap_id, inbox_url=EXCLUDED.inbox_url,
-               public_key=EXCLUDED.public_key, private_key=EXCLUDED.private_key,
                updated_at=NOW()"
         )
         .bind(user.id.as_uuid())
@@ -116,8 +111,6 @@ impl UserRepository for PgUserRepository {
         .bind(user.local)
         .bind(&user.ap_id)
         .bind(&user.inbox_url)
-        .bind(&user.public_key)
-        .bind(&user.private_key)
         .bind(user.created_at)
         .bind(user.updated_at)
         .execute(&self.pool)
diff --git a/crates/domain/src/models/user.rs b/crates/domain/src/models/user.rs
index b20f045..f5577c2 100644
--- a/crates/domain/src/models/user.rs
+++ b/crates/domain/src/models/user.rs
@@ -15,8 +15,6 @@ pub struct User {
     pub local: bool,
     pub ap_id: Option<String>,
     pub inbox_url: Option<String>,
-    pub public_key: Option<String>,
-    pub private_key: Option<String>,
     pub created_at: DateTime<Utc>,
     pub updated_at: DateTime<Utc>,
 }
@@ -42,8 +40,6 @@ impl User {
             local: true,
             ap_id: None,
             inbox_url: None,
-            public_key: None,
-            private_key: None,
             created_at: now,
             updated_at: now,
         }
diff --git a/crates/domain/src/testing.rs b/crates/domain/src/testing.rs
index 3947546..494f46d 100644
--- a/crates/domain/src/testing.rs
+++ b/crates/domain/src/testing.rs
@@ -771,8 +771,6 @@ impl ActivityPubRepository for TestStore {
             local: false,
             ap_id: Some(actor_ap_url.to_string()),
             inbox_url: None,
-            public_key: None,
-            private_key: None,
             created_at: chrono::Utc::now(),
             updated_at: chrono::Utc::now(),
         };