diff --git a/ansible/roles/designate/templates/designate.conf.j2 b/ansible/roles/designate/templates/designate.conf.j2
index faf14ac7eb..b5096b32ff 100644
--- a/ansible/roles/designate/templates/designate.conf.j2
+++ b/ansible/roles/designate/templates/designate.conf.j2
@@ -53,7 +53,6 @@ workers = {{ openstack_service_workers }}
 workers = {{ openstack_service_workers }}
 threads = 1000
 enabled_tasks = None
-export_synchronous = True
 
 [network_api:neutron]
 endpoint_type = internalURL
diff --git a/releasenotes/notes/designate-deprecated-option-66e90605e592c52a.yaml b/releasenotes/notes/designate-deprecated-option-66e90605e592c52a.yaml
new file mode 100644
index 0000000000..173607e5fa
--- /dev/null
+++ b/releasenotes/notes/designate-deprecated-option-66e90605e592c52a.yaml
@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Removes deprecated ``export_synchronous`` option from Designate
+    config.