diff --git a/cashu/mint/crud.py b/cashu/mint/crud.py
index cb21727f..923ae170 100644
--- a/cashu/mint/crud.py
+++ b/cashu/mint/crud.py
@@ -115,35 +115,6 @@ async def get_promise(
         conn: Optional[Connection] = None,
     ) -> Optional[BlindedSignature]: ...
 
-    # @abstractmethod
-    # async def store_lightning_invoice(
-    #     self,
-    #     *,
-    #     db: Database,
-    #     invoice: Invoice,
-    #     conn: Optional[Connection] = None,
-    # ) -> None: ...
-
-    # @abstractmethod
-    # async def update_lightning_invoice(
-    #     self,
-    #     *,
-    #     db: Database,
-    #     id: str,
-    #     issued: bool,
-    #     conn: Optional[Connection] = None,
-    # ) -> None: ...
-
-    # @abstractmethod
-    # async def get_lightning_invoice(
-    #     self,
-    #     *,
-    #     db: Database,
-    #     id: Optional[str] = None,
-    #     checking_id: Optional[str] = None,
-    #     conn: Optional[Connection] = None,
-    # ) -> Optional[Invoice]: ...
-
     @abstractmethod
     async def store_mint_quote(
         self,
@@ -524,74 +495,6 @@ async def update_melt_quote(
             ),
         )
 
-    # async def store_lightning_invoice(
-    #     self,
-    #     *,
-    #     db: Database,
-    #     invoice: Invoice,
-    #     conn: Optional[Connection] = None,
-    # ) -> None:
-    #     await (conn or db).execute(
-    #         f"""
-    #         INSERT INTO {table_with_schema(db, 'invoices')}
-    #         (amount, bolt11, id, issued, payment_hash, out, created)
-    #         VALUES (?, ?, ?, ?, ?, ?, ?)
-    #         """,
-    #         (
-    #             invoice.amount,
-    #             invoice.bolt11,
-    #             invoice.id,
-    #             invoice.issued,
-    #             invoice.payment_hash,
-    #             invoice.out,
-    #             int(time.time()),
-    #         ),
-    #     )
-
-    # async def get_lightning_invoice(
-    #     self,
-    #     *,
-    #     db: Database,
-    #     id: Optional[str] = None,
-    #     checking_id: Optional[str] = None,
-    #     conn: Optional[Connection] = None,
-    # ) -> Optional[Invoice]:
-    #     clauses = []
-    #     values: List[Any] = []
-    #     if id:
-    #         clauses.append("id = ?")
-    #         values.append(id)
-    #     if checking_id:
-    #         clauses.append("payment_hash = ?")
-    #         values.append(checking_id)
-    #     where = ""
-    #     if clauses:
-    #         where = f"WHERE {' AND '.join(clauses)}"
-    #     row = await (conn or db).fetchone(
-    #         f"""
-    #         SELECT * from {table_with_schema(db, 'invoices')}
-    #         {where}
-    #         """,
-    #         tuple(values),
-    #     )
-    #     return Invoice(**dict(row)) if row else None
-
-    # async def update_lightning_invoice(
-    #     self,
-    #     *,
-    #     db: Database,
-    #     id: str,
-    #     issued: bool,
-    #     conn: Optional[Connection] = None,
-    # ) -> None:
-    #     await (conn or db).execute(
-    #         f"UPDATE {table_with_schema(db, 'invoices')} SET issued = ? WHERE id = ?",
-    #         (
-    #             issued,
-    #             id,
-    #         ),
-    #     )
-
     async def store_keyset(
         self,
         *,
diff --git a/cashu/mint/migrations.py b/cashu/mint/migrations.py
index 3a56c7ac..1544faf1 100644
--- a/cashu/mint/migrations.py
+++ b/cashu/mint/migrations.py
@@ -283,23 +283,12 @@ async def m011_add_quote_tables(db: Database):
                 );
             """)
 
-
-async def m012_migrate_invoices_table(db: Database):
-    async with db.connect() as conn:
-        # copy all entries of invoices table to mint_quotes table if out = False
         await conn.execute(
             f"INSERT INTO {table_with_schema(db, 'mint_quotes')} (quote, method,"
             " request, checking_id, unit, amount, paid, issued, created_time,"
-            " paid_time) SELECT bolt11, 'bolt11', bolt11, id, 'sat', amount, False,"
-            f" issued, created, NULL FROM {table_with_schema(db, 'invoices')} WHERE"
-            " out = False"
-        )
-        # copy all entries of invoices table to melt_quotes table if out = True
-        await conn.execute(
-            f"INSERT INTO {table_with_schema(db, 'melt_quotes')} (quote, method,"
-            " request, checking_id, unit, amount, paid, created_time, paid_time)"
-            " SELECT bolt11, 'bolt11', bolt11, id, 'sat', amount, False, created,"
-            f" NULL FROM {table_with_schema(db, 'invoices')} WHERE out = True"
+            " paid_time) SELECT id, 'bolt11', bolt11, payment_hash, 'sat', amount,"
+            f" False, issued, created, NULL FROM {table_with_schema(db, 'invoices')} "
         )
+
         # drop table invoices
-        # await conn.execute(f"DROP TABLE {table_with_schema(db, 'invoices')}")
+        await conn.execute(f"DROP TABLE {table_with_schema(db, 'invoices')}")