diff --git a/augur/application/db/models/augur_data.py b/augur/application/db/models/augur_data.py
index 78c2ce7151..53dffc49b1 100644
--- a/augur/application/db/models/augur_data.py
+++ b/augur/application/db/models/augur_data.py
@@ -1712,7 +1712,6 @@ class PullRequest(Base):
     __tablename__ = "pull_requests"
     __table_args__ = (
         UniqueConstraint("repo_id", "pr_src_id", name="unique-pr"),
-        UniqueConstraint("repo_id", "pr_src_id", name="unique-prx"),
         UniqueConstraint("pr_url", name="pull-request-insert-unique"),
         Index("id_node", "pr_src_id", "pr_src_node_id"),
         Index(