diff --git a/internal/storage/solution.go b/internal/storage/solution.go
index b3d2b01..2af6f59 100644
--- a/internal/storage/solution.go
+++ b/internal/storage/solution.go
@@ -66,7 +66,7 @@ func (storage *SolutionStorage) ReadSolutionById(ctx context.Context, id int32)
 }
 
 func (storage *SolutionStorage) DeleteSolution(ctx context.Context, id int32) error {
-	query := storage.db.Rebind("UPDATE solutions SET expired_at=now() WHERE id = ?")
+	query := storage.db.Rebind("DELETE FROM solutions WHERE id=?")
 	_, err := storage.db.ExecContext(ctx, query, id)
 	if err != nil {
 		return storage.HandlePgErr(err)