diff --git a/internal/framework/pipeline/module.go b/internal/framework/pipeline/module.go
index 764f5ee..e356a1c 100644
--- a/internal/framework/pipeline/module.go
+++ b/internal/framework/pipeline/module.go
@@ -76,7 +76,7 @@ func cloneModuleSpec(spec ModuleSpec) ModuleSpec {
 		Stage:          spec.Stage,
 		Provides:       append([]string(nil), spec.Provides...),
 		Requires:       append([]string(nil), spec.Requires...),
-		ReferenceSlots: cloneReferenceSlots(spec.ReferenceSlots),
+		ReferenceSlots: contracts.CloneReferenceSlots(spec.ReferenceSlots),
 	}
 }
 
@@ -171,15 +171,3 @@ func validateReferenceSlots(slots []contracts.ReferenceSlot) error {
 	}
 	return nil
 }
-
-func cloneReferenceSlots(slots []contracts.ReferenceSlot) []contracts.ReferenceSlot {
-	if len(slots) == 0 {
-		return nil
-	}
-	out := make([]contracts.ReferenceSlot, 0, len(slots))
-	for _, slot := range slots {
-		slot.AcceptedMediaTypes = append([]string(nil), slot.AcceptedMediaTypes...)
-		out = append(out, slot)
-	}
-	return out
-}