diff --git a/include/orm/tiny/concerns/hasrelationships.hpp b/include/orm/tiny/concerns/hasrelationships.hpp
index 43ff61bc0..4d1c9a528 100644
--- a/include/orm/tiny/concerns/hasrelationships.hpp
+++ b/include/orm/tiny/concerns/hasrelationships.hpp
@@ -56,7 +56,7 @@ namespace Concerns
         // To access private serializeRelationVisited()
         template<SerializedAttributes C, typename Derived_,
                  AllRelationsConcept ...AllRelations_>
-        friend class Support::Stores::SerializeRelationStore;
+        friend class Support::Stores::SerializeRelationStore; // Partial specialization doens't work with friend
         // To access eagerLoadRelationWithVisitor()
         friend class Tiny::Builder<Derived>;
 
diff --git a/include/orm/tiny/concerns/queriesrelationships.hpp b/include/orm/tiny/concerns/queriesrelationships.hpp
index d04992b25..f629b0f3e 100644
--- a/include/orm/tiny/concerns/queriesrelationships.hpp
+++ b/include/orm/tiny/concerns/queriesrelationships.hpp
@@ -84,11 +84,11 @@ namespace Private
     {
         // Used by QueriesRelationships::hasInternalVisited()
         template<typename T>
-        friend class QueriesRelationships;
+        friend class QueriesRelationships; // Can't use full specialization as we need it for Related models
 
         // To access private hasInternalVisited()
         template<typename Derived, typename Related, AllRelationsConcept ...AllRelations>
-        friend class Support::Stores::QueriesRelationshipsStore;
+        friend class Support::Stores::QueriesRelationshipsStore; // Can't use full specialization
 
         /*! Alias for the Expression. */
         using Expression = Orm::Query::Expression;