diff --git a/packages/spanner/src/admin/database/v1/database_admin_client_config.json b/packages/spanner/src/admin/database/v1/database_admin_client_config.json
index bba6763e010..d77f6bd5fb8 100644
--- a/packages/spanner/src/admin/database/v1/database_admin_client_config.json
+++ b/packages/spanner/src/admin/database/v1/database_admin_client_config.json
@@ -6,9 +6,7 @@
           "DEADLINE_EXCEEDED",
           "UNAVAILABLE"
         ],
-        "non_idempotent": [
-          "UNAVAILABLE"
-        ]
+        "non_idempotent": []
       },
       "retry_params": {
         "default": {
diff --git a/packages/spanner/src/admin/instance/v1/instance_admin_client_config.json b/packages/spanner/src/admin/instance/v1/instance_admin_client_config.json
index c438b46bd79..30e03a88ccd 100644
--- a/packages/spanner/src/admin/instance/v1/instance_admin_client_config.json
+++ b/packages/spanner/src/admin/instance/v1/instance_admin_client_config.json
@@ -6,9 +6,7 @@
           "DEADLINE_EXCEEDED",
           "UNAVAILABLE"
         ],
-        "non_idempotent": [
-          "UNAVAILABLE"
-        ]
+        "non_idempotent": []
       },
       "retry_params": {
         "default": {