diff --git a/google/cloud/documentai/v1/BUILD.bazel b/google/cloud/documentai/v1/BUILD.bazel
index 43cc3789ac..cf66aa3313 100644
--- a/google/cloud/documentai/v1/BUILD.bazel
+++ b/google/cloud/documentai/v1/BUILD.bazel
@@ -189,13 +189,14 @@ py_gapic_assembly_pkg(
 
 ##############################################################################
 # PHP
+# DO NOT OVERRIDE this PHP microgenerator section with autogenerated rules.
 ##############################################################################
 load(
     "@com_google_googleapis_imports//:imports.bzl",
-    "php_gapic_assembly_pkg",
-    "php_gapic_library",
-    "php_grpc_library",
-    "php_proto_library",
+    php_gapic_assembly_pkg = "php_gapic_assembly_pkg2",
+    php_gapic_library = "php_gapic_library2",
+    php_grpc_library = "php_grpc_library2",
+    php_proto_library = "php_proto_library2",
 )
 
 php_proto_library(
@@ -211,11 +212,8 @@ php_grpc_library(
 
 php_gapic_library(
     name = "documentai_php_gapic",
-    src = ":documentai_proto_with_info",
-    gapic_yaml = "documentai_gapic.yaml",
+    srcs = [":documentai_proto_with_info"],
     grpc_service_config = "documentai_v1_grpc_service_config.json",
-    package = "google.cloud.documentai.v1",
-    service_yaml = "documentai_v1.yaml",
     deps = [
         ":documentai_php_grpc",
         ":documentai_php_proto",
@@ -265,8 +263,8 @@ nodejs_gapic_assembly_pkg(
 ##############################################################################
 load(
     "@com_google_googleapis_imports//:imports.bzl",
-    "ruby_gapic_assembly_pkg",
     "ruby_cloud_gapic_library",
+    "ruby_gapic_assembly_pkg",
     "ruby_grpc_library",
     "ruby_proto_library",
 )
diff --git a/google/cloud/documentai/v1/documentai_gapic.yaml b/google/cloud/documentai/v1/documentai_gapic.yaml
deleted file mode 100644
index db1f5a2cbb..0000000000
--- a/google/cloud/documentai/v1/documentai_gapic.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-type: com.google.api.codegen.ConfigProto
-config_schema_version: 2.0.0
-language_settings:
-  python:
-    package_name: google.cloud.documentai.v1.gapic
-  go:
-    package_name: cloud.google.com/go/documentai/apiv1
-  csharp:
-    package_name: Google.DocumentAi.V1
-  ruby:
-    package_name: Google::Cloud::DocumentAi::V1
-  php:
-    package_name: Google\Cloud\DocumentAi\V1
-  nodejs:
-    package_name: documentai.v1
-    domain_layer_location: google-cloud
diff --git a/google/cloud/documentai/v1beta1/BUILD.bazel b/google/cloud/documentai/v1beta1/BUILD.bazel
index 92961d9979..dd796c34bd 100644
--- a/google/cloud/documentai/v1beta1/BUILD.bazel
+++ b/google/cloud/documentai/v1beta1/BUILD.bazel
@@ -178,13 +178,14 @@ py_gapic_assembly_pkg(
 
 ##############################################################################
 # PHP
+# DO NOT OVERRIDE this PHP microgenerator section with autogenerated rules.
 ##############################################################################
 load(
     "@com_google_googleapis_imports//:imports.bzl",
-    "php_gapic_assembly_pkg",
-    "php_gapic_library",
-    "php_grpc_library",
-    "php_proto_library",
+    php_gapic_assembly_pkg = "php_gapic_assembly_pkg2",
+    php_gapic_library = "php_gapic_library2",
+    php_grpc_library = "php_grpc_library2",
+    php_proto_library = "php_proto_library2",
 )
 
 php_proto_library(
@@ -200,10 +201,8 @@ php_grpc_library(
 
 php_gapic_library(
     name = "documentai_php_gapic",
-    src = ":documentai_proto_with_info",
-    gapic_yaml = "documentai_gapic.yaml",
+    srcs = [":documentai_proto_with_info"],
     grpc_service_config = "documentai_grpc_service_config.json",
-    package = "google.cloud.documentai.v1beta1",
     service_yaml = "//google/cloud/documentai:documentai_v1beta1.yaml",
     deps = [
         ":documentai_php_grpc",
diff --git a/google/cloud/documentai/v1beta2/BUILD.bazel b/google/cloud/documentai/v1beta2/BUILD.bazel
index 8529a6f09c..a8115489c0 100644
--- a/google/cloud/documentai/v1beta2/BUILD.bazel
+++ b/google/cloud/documentai/v1beta2/BUILD.bazel
@@ -178,13 +178,14 @@ py_gapic_assembly_pkg(
 
 ##############################################################################
 # PHP
+# DO NOT OVERRIDE this PHP microgenerator section with autogenerated rules.
 ##############################################################################
 load(
     "@com_google_googleapis_imports//:imports.bzl",
-    "php_gapic_assembly_pkg",
-    "php_gapic_library",
-    "php_grpc_library",
-    "php_proto_library",
+    php_gapic_assembly_pkg = "php_gapic_assembly_pkg2",
+    php_gapic_library = "php_gapic_library2",
+    php_grpc_library = "php_grpc_library2",
+    php_proto_library = "php_proto_library2",
 )
 
 php_proto_library(
@@ -200,11 +201,8 @@ php_grpc_library(
 
 php_gapic_library(
     name = "documentai_php_gapic",
-    src = ":documentai_proto_with_info",
-    gapic_yaml = "documentai_gapic.yaml",
+    srcs = [":documentai_proto_with_info"],
     grpc_service_config = "documentai_v1beta2_grpc_service_config.json",
-    package = "google.cloud.documentai.v1beta2",
-    service_yaml = "documentai_v1beta2.yaml",
     deps = [
         ":documentai_php_grpc",
         ":documentai_php_proto",
diff --git a/google/cloud/documentai/v1beta3/BUILD.bazel b/google/cloud/documentai/v1beta3/BUILD.bazel
index 0e628cc7ab..e8df866423 100644
--- a/google/cloud/documentai/v1beta3/BUILD.bazel
+++ b/google/cloud/documentai/v1beta3/BUILD.bazel
@@ -189,13 +189,14 @@ py_gapic_assembly_pkg(
 
 ##############################################################################
 # PHP
+# DO NOT OVERRIDE this PHP microgenerator section with autogenerated rules.
 ##############################################################################
 load(
     "@com_google_googleapis_imports//:imports.bzl",
-    "php_gapic_assembly_pkg",
-    "php_gapic_library",
-    "php_grpc_library",
-    "php_proto_library",
+    php_gapic_assembly_pkg = "php_gapic_assembly_pkg2",
+    php_gapic_library = "php_gapic_library2",
+    php_grpc_library = "php_grpc_library2",
+    php_proto_library = "php_proto_library2",
 )
 
 php_proto_library(
@@ -211,11 +212,8 @@ php_grpc_library(
 
 php_gapic_library(
     name = "documentai_php_gapic",
-    src = ":documentai_proto_with_info",
-    gapic_yaml = "documentai_gapic.yaml",
+    srcs = [":documentai_proto_with_info"],
     grpc_service_config = "documentai_v1beta3_grpc_service_config.json",
-    package = "google.cloud.documentai.v1beta3",
-    service_yaml = "documentai_v1beta3.yaml",
     deps = [
         ":documentai_php_grpc",
         ":documentai_php_proto",
@@ -265,8 +263,8 @@ nodejs_gapic_assembly_pkg(
 ##############################################################################
 load(
     "@com_google_googleapis_imports//:imports.bzl",
-    "ruby_gapic_assembly_pkg",
     "ruby_cloud_gapic_library",
+    "ruby_gapic_assembly_pkg",
     "ruby_grpc_library",
     "ruby_proto_library",
 )
diff --git a/google/cloud/documentai/v1beta3/documentai_gapic.yaml b/google/cloud/documentai/v1beta3/documentai_gapic.yaml
deleted file mode 100644
index 9f1df52ddd..0000000000
--- a/google/cloud/documentai/v1beta3/documentai_gapic.yaml
+++ /dev/null
@@ -1,16 +0,0 @@
-type: com.google.api.codegen.ConfigProto
-config_schema_version: 2.0.0
-language_settings:
-  python:
-    package_name: google.cloud.documentai.v1beta3.gapic
-  go:
-    package_name: cloud.google.com/go/documentai/apiv1
-  csharp:
-    package_name: Google.DocumentAi.V1beta3
-  ruby:
-    package_name: Google::Cloud::DocumentAi::V1beta3
-  php:
-    package_name: Google\Cloud\DocumentAi\V1beta3
-  nodejs:
-    package_name: documentai.v1beta3
-    domain_layer_location: google-cloud