diff --git a/db/db-sqlx-sqlite/sqlx-data.json b/db/db-sqlx-sqlite/sqlx-data.json
index 4abbef5..0fa3741 100644
--- a/db/db-sqlx-sqlite/sqlx-data.json
+++ b/db/db-sqlx-sqlite/sqlx-data.json
@@ -54,6 +54,16 @@
     },
     "query": "SELECT ID FROM starchart_forge_type WHERE name = $1"
   },
+  "364c8e3d147318b864fd28ad284f225aaace9479b5cf0428fb97f0e5689e248d": {
+    "describe": {
+      "columns": [],
+      "nullable": [],
+      "parameters": {
+        "Right": 2
+      }
+    },
+    "query": " DELETE FROM starchart_users WHERE username = $1 AND \n                hostname_id = (SELECT ID FROM starchart_forges WHERE hostname = $2)"
+  },
   "6f5ca3d71a541eb6f33e37a5889c048536ab6ad7e81a6236d73aa71433c13717": {
     "describe": {
       "columns": [],
@@ -140,6 +150,16 @@
     },
     "query": "\n                        INSERT INTO starchart_repository_topic_mapping ( topic_id, repository_id )\n                        VALUES (\n                            (SELECT ID FROM starchart_project_topics WHERE name = $1),\n                            (SELECT ID FROM starchart_repositories WHERE html_url = $2)\n                        );"
   },
+  "ed20e6fcac091172778119cdfc68c8e511224205a0bb7c74df192dcdfbfe63f2": {
+    "describe": {
+      "columns": [],
+      "nullable": [],
+      "parameters": {
+        "Right": 3
+      }
+    },
+    "query": " DELETE FROM starchart_repositories\n                    WHERE \n                        name = $1\n                    AND\n                        owner_id = ( SELECT ID FROM starchart_users WHERE username = $2)\n                    AND\n                        hostname_id = (SELECT ID FROM starchart_forges WHERE hostname = $3)"
+  },
   "f52cde89ec10d5ca2151c9df6ae273ee0d52af9f79bb776765cfa716aad6af53": {
     "describe": {
       "columns": [],
diff --git a/db/db-sqlx-sqlite/src/lib.rs b/db/db-sqlx-sqlite/src/lib.rs
index e219b04..b74aedb 100644
--- a/db/db-sqlx-sqlite/src/lib.rs
+++ b/db/db-sqlx-sqlite/src/lib.rs
@@ -296,6 +296,40 @@ impl SCDatabase for Database {
 
         Ok(())
     }
+
+    /// delete user
+    async fn delete_user(&self, username: &str, hostname: &str) -> DBResult<()> {
+        sqlx::query!(
+            " DELETE FROM starchart_users WHERE username = $1 AND 
+                hostname_id = (SELECT ID FROM starchart_forges WHERE hostname = $2)",
+            username,
+            hostname
+        )
+        .execute(&self.pool)
+        .await
+        .map_err(map_register_err)?;
+        Ok(())
+    }
+
+    /// delete repository
+    async fn delete_repository(&self, owner: &str, name: &str, hostname: &str) -> DBResult<()> {
+        sqlx::query!(
+            " DELETE FROM starchart_repositories
+                    WHERE 
+                        name = $1
+                    AND
+                        owner_id = ( SELECT ID FROM starchart_users WHERE username = $2)
+                    AND
+                        hostname_id = (SELECT ID FROM starchart_forges WHERE hostname = $3)",
+            name,
+            owner,
+            hostname
+        )
+        .execute(&self.pool)
+        .await
+        .map_err(map_register_err)?;
+        Ok(())
+    }
 }
 
 fn now_unix_time_stamp() -> i64 {