diff --git a/google/cloud/bigquery/reservation/v1beta1/BUILD.bazel b/google/cloud/bigquery/reservation/v1beta1/BUILD.bazel
index 60f5c6a7..88a265b8 100644
--- a/google/cloud/bigquery/reservation/v1beta1/BUILD.bazel
+++ b/google/cloud/bigquery/reservation/v1beta1/BUILD.bazel
@@ -61,6 +61,7 @@ java_gapic_library(
     name = "reservation_java_gapic",
     src = ":reservation_proto_with_info",
     gapic_yaml = "bigqueryreservation_gapic.yaml",
+    grpc_service_config = "bigqueryreservation_grpc_service_config.json",
     package = "google.cloud.bigquery.reservation.v1beta1",
     service_yaml = "bigqueryreservation_v1beta1.yaml",
     test_deps = [
@@ -183,6 +184,7 @@ py_gapic_library(
     name = "reservation_py_gapic",
     src = ":reservation_proto_with_info",
     gapic_yaml = "bigqueryreservation_gapic.yaml",
+    grpc_service_config = "bigqueryreservation_grpc_service_config.json",
     package = "google.cloud.bigquery.reservation.v1beta1",
     service_yaml = "bigqueryreservation_v1beta1.yaml",
     deps = [
@@ -227,6 +229,7 @@ php_gapic_library(
     name = "reservation_php_gapic",
     src = ":reservation_proto_with_info",
     gapic_yaml = "bigqueryreservation_gapic.yaml",
+    grpc_service_config = "bigqueryreservation_grpc_service_config.json",
     package = "google.cloud.bigquery.reservation.v1beta1",
     service_yaml = "bigqueryreservation_v1beta1.yaml",
     deps = [
diff --git a/google/cloud/bigquery/reservation/v1beta1/bigqueryreservation_gapic.yaml b/google/cloud/bigquery/reservation/v1beta1/bigqueryreservation_gapic.yaml
index 8d36e046..46343f53 100644
--- a/google/cloud/bigquery/reservation/v1beta1/bigqueryreservation_gapic.yaml
+++ b/google/cloud/bigquery/reservation/v1beta1/bigqueryreservation_gapic.yaml
@@ -16,14 +16,3 @@ language_settings:
     package_name: Google\Cloud\Bigquery\Reservation\V1beta1
   nodejs:
     package_name: reservation.v1beta1
-# A list of API interface configurations.
-interfaces:
-# The fully qualified name of the API interface.
-- name: google.cloud.bigquery.reservation.v1beta1.ReservationService
-  methods:
-  - name: DeleteReservation
-    retry_codes_name: idempotent
-  - name: DeleteCapacityCommitment
-    retry_codes_name: idempotent
-  - name: DeleteAssignment
-    retry_codes_name: idempotent