diff --git a/include/matador/query/schema.hpp b/include/matador/query/schema.hpp
index 1bcc1a7..862ab71 100644
--- a/include/matador/query/schema.hpp
+++ b/include/matador/query/schema.hpp
@@ -243,14 +243,14 @@ public:
   iterator find() { return basic_schema::find(typeid(Type)); }
 
   template<typename Type>
-  const_iterator find() const { return basic_schema::find(typeid(Type)); }
+  [[nodiscard]] const_iterator find() const { return basic_schema::find(typeid(Type)); }
 
   template < typename Type >
   [[nodiscard]] bool contains() const {
     return basic_schema::contains(std::type_index(typeid(Type)));
   }
 
-  const object::repository &repo() const { return repo_; }
+  [[nodiscard]] const object::repository &repo() const { return repo_; }
   object::repository &repo() { return repo_; }
 
   void dump(std::ostream &os) const;