diff --git a/collectoss/application/db/models/data.py b/collectoss/application/db/models/data.py
index 2fa40b71a..aa4d30482 100644
--- a/collectoss/application/db/models/data.py
+++ b/collectoss/application/db/models/data.py
@@ -1742,7 +1742,6 @@ 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", text("pr_src_id DESC"), text("pr_src_node_id DESC NULLS LAST")),
         Index(
diff --git a/collectoss/application/schema/alembic/versions/44_remove_redundant_pr_constraint.py b/collectoss/application/schema/alembic/versions/44_remove_redundant_pr_constraint.py
new file mode 100644
index 000000000..770a1701b
--- /dev/null
+++ b/collectoss/application/schema/alembic/versions/44_remove_redundant_pr_constraint.py
@@ -0,0 +1,29 @@
+"""remove redundant pr constraint
+
+Revision ID: 44
+Revises: 43
+Create Date: 2026-06-27 15:41:43.276187
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from alembic_utils.pg_materialized_view import PGMaterializedView
+from sqlalchemy import text as sql_text
+
+# revision identifiers, used by Alembic.
+revision = '44'
+down_revision = '43'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(op.f('unique-prx'), 'pull_requests', schema='data', type_='unique')
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_unique_constraint(op.f('unique-prx'), 'pull_requests', ['repo_id', 'pr_src_id'], schema='data')
+    # ### end Alembic commands ###