diff --git a/packages/google-cloud-talent/protos/google/cloud/talent/v4/company.proto b/packages/google-cloud-talent/protos/google/cloud/talent/v4/company.proto
index 9845aa9683e..075e7bcfbb2 100644
--- a/packages/google-cloud-talent/protos/google/cloud/talent/v4/company.proto
+++ b/packages/google-cloud-talent/protos/google/cloud/talent/v4/company.proto
@@ -96,13 +96,16 @@ message Company {
   // A URI that hosts the employer's company logo.
   string image_uri = 10;
 
+  // This field is deprecated. Please set the searchability of the custom
+  // attribute in the [Job.custom_attributes][google.cloud.talent.v4.Job.custom_attributes] going forward.
+  //
   // A list of keys of filterable [Job.custom_attributes][google.cloud.talent.v4.Job.custom_attributes], whose
   // corresponding `string_values` are used in keyword searches. Jobs with
   // `string_values` under these specified field keys are returned if any
   // of the values match the search keyword. Custom field values with
   // parenthesis, brackets and special symbols are not searchable as-is,
   // and those keyword queries must be surrounded by quotes.
-  repeated string keyword_searchable_job_custom_attributes = 11;
+  repeated string keyword_searchable_job_custom_attributes = 11 [deprecated = true];
 
   // Output only. Derived details about the company.
   DerivedInfo derived_info = 12 [(google.api.field_behavior) = OUTPUT_ONLY];
diff --git a/packages/google-cloud-talent/protos/google/cloud/talent/v4/job_service.proto b/packages/google-cloud-talent/protos/google/cloud/talent/v4/job_service.proto
index b17751dcb37..3e93164c9f8 100644
--- a/packages/google-cloud-talent/protos/google/cloud/talent/v4/job_service.proto
+++ b/packages/google-cloud-talent/protos/google/cloud/talent/v4/job_service.proto
@@ -556,8 +556,8 @@ message SearchJobsRequest {
   // * company_display_name: histogram by [Job.company_display_name][google.cloud.talent.v4.Job.company_display_name].
   // * employment_type: histogram by [Job.employment_types][google.cloud.talent.v4.Job.employment_types], for example,
   //   "FULL_TIME", "PART_TIME".
-  // * company_size: histogram by [CompanySize][google.cloud.talent.v4.CompanySize], for example, "SMALL",
-  // "MEDIUM", "BIG".
+  // * company_size (DEPRECATED): histogram by [CompanySize][google.cloud.talent.v4.CompanySize], for example,
+  // "SMALL", "MEDIUM", "BIG".
   // * publish_time_in_day: histogram by the [Job.posting_publish_time][google.cloud.talent.v4.Job.posting_publish_time]
   //   in days.
   //   Must specify list of numeric buckets in spec.
diff --git a/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/company.proto b/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/company.proto
index e04f0133452..7c1e2ea56df 100644
--- a/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/company.proto
+++ b/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/company.proto
@@ -100,13 +100,16 @@ message Company {
   // A URI that hosts the employer's company logo.
   string image_uri = 10;
 
+  // This field is deprecated. Please set the searchability of the custom
+  // attribute in the [Job.custom_attributes][google.cloud.talent.v4beta1.Job.custom_attributes] going forward.
+  //
   // A list of keys of filterable [Job.custom_attributes][google.cloud.talent.v4beta1.Job.custom_attributes], whose
   // corresponding `string_values` are used in keyword searches. Jobs with
   // `string_values` under these specified field keys are returned if any
   // of the values match the search keyword. Custom field values with
   // parenthesis, brackets and special symbols are not searchable as-is,
   // and those keyword queries must be surrounded by quotes.
-  repeated string keyword_searchable_job_custom_attributes = 11;
+  repeated string keyword_searchable_job_custom_attributes = 11 [deprecated = true];
 
   // Output only. Derived details about the company.
   DerivedInfo derived_info = 12 [(google.api.field_behavior) = OUTPUT_ONLY];
diff --git a/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job_service.proto b/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job_service.proto
index c8e420d609c..87dc47d91f5 100644
--- a/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job_service.proto
+++ b/packages/google-cloud-talent/protos/google/cloud/talent/v4beta1/job_service.proto
@@ -611,8 +611,8 @@ message SearchJobsRequest {
   // * company_display_name: histogram by [Job.company_display_name][google.cloud.talent.v4beta1.Job.company_display_name].
   // * employment_type: histogram by [Job.employment_types][google.cloud.talent.v4beta1.Job.employment_types], for example,
   //   "FULL_TIME", "PART_TIME".
-  // * company_size: histogram by [CompanySize][google.cloud.talent.v4beta1.CompanySize], for example, "SMALL",
-  // "MEDIUM", "BIG".
+  // * company_size (DEPRECATED): histogram by [CompanySize][google.cloud.talent.v4beta1.CompanySize], for example,
+  // "SMALL", "MEDIUM", "BIG".
   // * publish_time_in_day: histogram by the [Job.posting_publish_time][google.cloud.talent.v4beta1.Job.posting_publish_time]
   //   in days.
   //   Must specify list of numeric buckets in spec.
diff --git a/packages/google-cloud-talent/protos/protos.json b/packages/google-cloud-talent/protos/protos.json
index 7232fa38e3c..7ad045b1b31 100644
--- a/packages/google-cloud-talent/protos/protos.json
+++ b/packages/google-cloud-talent/protos/protos.json
@@ -498,7 +498,10 @@
                         "keywordSearchableJobCustomAttributes": {
                           "rule": "repeated",
                           "type": "string",
-                          "id": 11
+                          "id": 11,
+                          "options": {
+                            "deprecated": true
+                          }
                         },
                         "derivedInfo": {
                           "type": "DerivedInfo",
@@ -2749,7 +2752,10 @@
                         "keywordSearchableJobCustomAttributes": {
                           "rule": "repeated",
                           "type": "string",
-                          "id": 11
+                          "id": 11,
+                          "options": {
+                            "deprecated": true
+                          }
                         },
                         "derivedInfo": {
                           "type": "DerivedInfo",
diff --git a/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs.js b/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs.js
index 41db5b6febb..0c33fbf1f50 100644
--- a/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs.js
+++ b/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs.js
@@ -83,8 +83,8 @@ function main(parent, requestMetadata) {
    *  * company_display_name: histogram by Job.company_display_name google.cloud.talent.v4.Job.company_display_name.
    *  * employment_type: histogram by Job.employment_types google.cloud.talent.v4.Job.employment_types, for example,
    *    "FULL_TIME", "PART_TIME".
-   *  * company_size: histogram by CompanySize google.cloud.talent.v4.CompanySize, for example, "SMALL",
-   *  "MEDIUM", "BIG".
+   *  * company_size (DEPRECATED): histogram by CompanySize google.cloud.talent.v4.CompanySize, for example,
+   *  "SMALL", "MEDIUM", "BIG".
    *  * publish_time_in_day: histogram by the Job.posting_publish_time google.cloud.talent.v4.Job.posting_publish_time 
    *    in days.
    *    Must specify list of numeric buckets in spec.
diff --git a/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs_for_alert.js b/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs_for_alert.js
index 346845ffdb0..035b48d0691 100644
--- a/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs_for_alert.js
+++ b/packages/google-cloud-talent/samples/generated/v4/job_service.search_jobs_for_alert.js
@@ -83,8 +83,8 @@ function main(parent, requestMetadata) {
    *  * company_display_name: histogram by Job.company_display_name google.cloud.talent.v4.Job.company_display_name.
    *  * employment_type: histogram by Job.employment_types google.cloud.talent.v4.Job.employment_types, for example,
    *    "FULL_TIME", "PART_TIME".
-   *  * company_size: histogram by CompanySize google.cloud.talent.v4.CompanySize, for example, "SMALL",
-   *  "MEDIUM", "BIG".
+   *  * company_size (DEPRECATED): histogram by CompanySize google.cloud.talent.v4.CompanySize, for example,
+   *  "SMALL", "MEDIUM", "BIG".
    *  * publish_time_in_day: histogram by the Job.posting_publish_time google.cloud.talent.v4.Job.posting_publish_time 
    *    in days.
    *    Must specify list of numeric buckets in spec.
diff --git a/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs.js b/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs.js
index 7bda4c5f1b2..40408d5be23 100644
--- a/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs.js
+++ b/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs.js
@@ -88,8 +88,8 @@ function main(parent, requestMetadata) {
    *  * company_display_name: histogram by Job.company_display_name google.cloud.talent.v4beta1.Job.company_display_name.
    *  * employment_type: histogram by Job.employment_types google.cloud.talent.v4beta1.Job.employment_types, for example,
    *    "FULL_TIME", "PART_TIME".
-   *  * company_size: histogram by CompanySize google.cloud.talent.v4beta1.CompanySize, for example, "SMALL",
-   *  "MEDIUM", "BIG".
+   *  * company_size (DEPRECATED): histogram by CompanySize google.cloud.talent.v4beta1.CompanySize, for example,
+   *  "SMALL", "MEDIUM", "BIG".
    *  * publish_time_in_day: histogram by the Job.posting_publish_time google.cloud.talent.v4beta1.Job.posting_publish_time 
    *    in days.
    *    Must specify list of numeric buckets in spec.
diff --git a/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs_for_alert.js b/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs_for_alert.js
index 93f51f24748..7b6a43cf041 100644
--- a/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs_for_alert.js
+++ b/packages/google-cloud-talent/samples/generated/v4beta1/job_service.search_jobs_for_alert.js
@@ -88,8 +88,8 @@ function main(parent, requestMetadata) {
    *  * company_display_name: histogram by Job.company_display_name google.cloud.talent.v4beta1.Job.company_display_name.
    *  * employment_type: histogram by Job.employment_types google.cloud.talent.v4beta1.Job.employment_types, for example,
    *    "FULL_TIME", "PART_TIME".
-   *  * company_size: histogram by CompanySize google.cloud.talent.v4beta1.CompanySize, for example, "SMALL",
-   *  "MEDIUM", "BIG".
+   *  * company_size (DEPRECATED): histogram by CompanySize google.cloud.talent.v4beta1.CompanySize, for example,
+   *  "SMALL", "MEDIUM", "BIG".
    *  * publish_time_in_day: histogram by the Job.posting_publish_time google.cloud.talent.v4beta1.Job.posting_publish_time 
    *    in days.
    *    Must specify list of numeric buckets in spec.
diff --git a/packages/google-cloud-talent/src/v4/job_service_client.ts b/packages/google-cloud-talent/src/v4/job_service_client.ts
index a0929fb1348..e57e541435a 100644
--- a/packages/google-cloud-talent/src/v4/job_service_client.ts
+++ b/packages/google-cloud-talent/src/v4/job_service_client.ts
@@ -840,8 +840,8 @@ export class JobServiceClient {
    *   * company_display_name: histogram by {@link google.cloud.talent.v4.Job.company_display_name|Job.company_display_name}.
    *   * employment_type: histogram by {@link google.cloud.talent.v4.Job.employment_types|Job.employment_types}, for example,
    *     "FULL_TIME", "PART_TIME".
-   *   * company_size: histogram by {@link google.cloud.talent.v4.CompanySize|CompanySize}, for example, "SMALL",
-   *   "MEDIUM", "BIG".
+   *   * company_size (DEPRECATED): histogram by {@link google.cloud.talent.v4.CompanySize|CompanySize}, for example,
+   *   "SMALL", "MEDIUM", "BIG".
    *   * publish_time_in_day: histogram by the {@link google.cloud.talent.v4.Job.posting_publish_time|Job.posting_publish_time}
    *     in days.
    *     Must specify list of numeric buckets in spec.
@@ -1168,8 +1168,8 @@ export class JobServiceClient {
    *   * company_display_name: histogram by {@link google.cloud.talent.v4.Job.company_display_name|Job.company_display_name}.
    *   * employment_type: histogram by {@link google.cloud.talent.v4.Job.employment_types|Job.employment_types}, for example,
    *     "FULL_TIME", "PART_TIME".
-   *   * company_size: histogram by {@link google.cloud.talent.v4.CompanySize|CompanySize}, for example, "SMALL",
-   *   "MEDIUM", "BIG".
+   *   * company_size (DEPRECATED): histogram by {@link google.cloud.talent.v4.CompanySize|CompanySize}, for example,
+   *   "SMALL", "MEDIUM", "BIG".
    *   * publish_time_in_day: histogram by the {@link google.cloud.talent.v4.Job.posting_publish_time|Job.posting_publish_time}
    *     in days.
    *     Must specify list of numeric buckets in spec.
diff --git a/packages/google-cloud-talent/src/v4beta1/job_service_client.ts b/packages/google-cloud-talent/src/v4beta1/job_service_client.ts
index 21aa4b43d4f..0e59269730b 100644
--- a/packages/google-cloud-talent/src/v4beta1/job_service_client.ts
+++ b/packages/google-cloud-talent/src/v4beta1/job_service_client.ts
@@ -958,8 +958,8 @@ export class JobServiceClient {
    *   * company_display_name: histogram by {@link google.cloud.talent.v4beta1.Job.company_display_name|Job.company_display_name}.
    *   * employment_type: histogram by {@link google.cloud.talent.v4beta1.Job.employment_types|Job.employment_types}, for example,
    *     "FULL_TIME", "PART_TIME".
-   *   * company_size: histogram by {@link google.cloud.talent.v4beta1.CompanySize|CompanySize}, for example, "SMALL",
-   *   "MEDIUM", "BIG".
+   *   * company_size (DEPRECATED): histogram by {@link google.cloud.talent.v4beta1.CompanySize|CompanySize}, for example,
+   *   "SMALL", "MEDIUM", "BIG".
    *   * publish_time_in_day: histogram by the {@link google.cloud.talent.v4beta1.Job.posting_publish_time|Job.posting_publish_time}
    *     in days.
    *     Must specify list of numeric buckets in spec.
@@ -1290,8 +1290,8 @@ export class JobServiceClient {
    *   * company_display_name: histogram by {@link google.cloud.talent.v4beta1.Job.company_display_name|Job.company_display_name}.
    *   * employment_type: histogram by {@link google.cloud.talent.v4beta1.Job.employment_types|Job.employment_types}, for example,
    *     "FULL_TIME", "PART_TIME".
-   *   * company_size: histogram by {@link google.cloud.talent.v4beta1.CompanySize|CompanySize}, for example, "SMALL",
-   *   "MEDIUM", "BIG".
+   *   * company_size (DEPRECATED): histogram by {@link google.cloud.talent.v4beta1.CompanySize|CompanySize}, for example,
+   *   "SMALL", "MEDIUM", "BIG".
    *   * publish_time_in_day: histogram by the {@link google.cloud.talent.v4beta1.Job.posting_publish_time|Job.posting_publish_time}
    *     in days.
    *     Must specify list of numeric buckets in spec.