diff --git a/lemur/tests/factories.py b/lemur/tests/factories.py
index dd655510..fea4c59a 100644
--- a/lemur/tests/factories.py
+++ b/lemur/tests/factories.py
@@ -55,7 +55,6 @@ class RotationPolicyFactory(BaseFactory):
 class CertificateFactory(BaseFactory):
     """Certificate factory."""
 
-    id = Sequence(lambda n: n)
     name = Sequence(lambda n: "certificate{0}".format(n))
     chain = INTERMEDIATE_CERT_STR
     body = SAN_CERT_STR