diff --git a/InvenTree/InvenTree/serializers.py b/InvenTree/InvenTree/serializers.py
index eea8072bf3..fa7674723c 100644
--- a/InvenTree/InvenTree/serializers.py
+++ b/InvenTree/InvenTree/serializers.py
@@ -50,7 +50,6 @@ class InvenTreeModelSerializer(serializers.ModelSerializer):
 
         # Now ensure the underlying model is correct
         instance = self.Meta.model(**data)
-        instance.validate_unique()
         instance.clean()
 
         return data
diff --git a/InvenTree/part/models.py b/InvenTree/part/models.py
index 6c05d62a7e..8aa370a7ae 100644
--- a/InvenTree/part/models.py
+++ b/InvenTree/part/models.py
@@ -380,7 +380,6 @@ class Part(MPTTModel):
                     previous.image.delete(save=False)
 
         self.clean()
-        self.validate_unique()
 
         super().save(*args, **kwargs)
 
@@ -672,6 +671,8 @@ class Part(MPTTModel):
 
         super().clean()
 
+        self.validate_unique()
+
         if self.trackable:
             for part in self.get_used_in().all():