diff --git a/packages/google-cloud-recaptchaenterprise/package.json b/packages/google-cloud-recaptchaenterprise/package.json
index 1d6521c7d8b..7ca3a969e6c 100644
--- a/packages/google-cloud-recaptchaenterprise/package.json
+++ b/packages/google-cloud-recaptchaenterprise/package.json
@@ -25,8 +25,7 @@
     "reCAPTCHA Enterprise API"
   ],
   "dependencies": {
-    "google-gax": "^1.0.0",
-    "lodash.merge": "^4.6.0"
+    "google-gax": "^1.0.0"
   },
   "devDependencies": {
     "eslint": "^5.1.0",
diff --git a/packages/google-cloud-recaptchaenterprise/src/v1beta1/recaptcha_enterprise_service_v1_beta1_client.js b/packages/google-cloud-recaptchaenterprise/src/v1beta1/recaptcha_enterprise_service_v1_beta1_client.js
index 11de11a5640..0847d073171 100644
--- a/packages/google-cloud-recaptchaenterprise/src/v1beta1/recaptcha_enterprise_service_v1_beta1_client.js
+++ b/packages/google-cloud-recaptchaenterprise/src/v1beta1/recaptcha_enterprise_service_v1_beta1_client.js
@@ -16,7 +16,6 @@
 
 const gapicConfig = require('./recaptcha_enterprise_service_v1_beta1_client_config.json');
 const gax = require('google-gax');
-const merge = require('lodash.merge');
 const path = require('path');
 
 const VERSION = require('../../package.json').version;
@@ -88,12 +87,9 @@ class RecaptchaEnterpriseServiceV1Beta1Client {
     }
 
     // Load the applicable protos.
-    const protos = merge(
-      {},
-      gaxGrpc.loadProto(
-        path.join(__dirname, '..', '..', 'protos'),
-        'google/cloud/recaptchaenterprise/v1beta1/recaptchaenterprise.proto'
-      )
+    const protos = gaxGrpc.loadProto(
+      path.join(__dirname, '..', '..', 'protos'),
+      ['google/cloud/recaptchaenterprise/v1beta1/recaptchaenterprise.proto']
     );
 
     // This API contains "path templates"; forward-slash-separated
@@ -201,7 +197,7 @@ class RecaptchaEnterpriseServiceV1Beta1Client {
    *   This object should have the same structure as [Assessment]{@link google.cloud.recaptchaenterprise.v1beta1.Assessment}
    * @param {Object} [options]
    *   Optional parameters. You can override the default settings for this call, e.g, timeout,
-   *   retries, paginations, etc. See [gax.CallOptions]{@link https://googleapis.github.io/gax-nodejs/global.html#CallOptions} for the details.
+   *   retries, paginations, etc. See [gax.CallOptions]{@link https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html} for the details.
    * @param {function(?Error, ?Object)} [callback]
    *   The function which will be called with the result of the API call.
    *
@@ -265,7 +261,7 @@ class RecaptchaEnterpriseServiceV1Beta1Client {
    *   The number should be among the values of [Annotation]{@link google.cloud.recaptchaenterprise.v1beta1.Annotation}
    * @param {Object} [options]
    *   Optional parameters. You can override the default settings for this call, e.g, timeout,
-   *   retries, paginations, etc. See [gax.CallOptions]{@link https://googleapis.github.io/gax-nodejs/global.html#CallOptions} for the details.
+   *   retries, paginations, etc. See [gax.CallOptions]{@link https://googleapis.github.io/gax-nodejs/interfaces/CallOptions.html} for the details.
    * @param {function(?Error, ?Object)} [callback]
    *   The function which will be called with the result of the API call.
    *
diff --git a/packages/google-cloud-recaptchaenterprise/synth.metadata b/packages/google-cloud-recaptchaenterprise/synth.metadata
index e2305208035..98c84a46f26 100644
--- a/packages/google-cloud-recaptchaenterprise/synth.metadata
+++ b/packages/google-cloud-recaptchaenterprise/synth.metadata
@@ -1,26 +1,26 @@
 {
-  "updateTime": "2019-05-17T19:49:01.898162Z",
+  "updateTime": "2019-05-21T11:22:01.138953Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.19.0",
-        "dockerImage": "googleapis/artman@sha256:d3df563538225ac6caac45d8ad86499500211d1bcb2536955a6dbda15e1b368e"
+        "version": "0.20.0",
+        "dockerImage": "googleapis/artman@sha256:3246adac900f4bdbd62920e80de2e5877380e44036b3feae13667ec255ebf5ec"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "99efb1441b7c2aeb75c69f8baf9b61d4221bb744",
-        "internalRef": "248724297"
+        "sha": "32a10f69e2c9ce15bba13ab1ff928bacebb25160",
+        "internalRef": "249058354"
       }
     },
     {
       "template": {
         "name": "node_library",
         "origin": "synthtool.gcp",
-        "version": "2019.4.10"
+        "version": "2019.5.2"
       }
     }
   ],