diff --git a/css/src/plugins/form.scss b/css/src/plugins/form.scss
deleted file mode 100644
index 6f619670..00000000
--- a/css/src/plugins/form.scss
+++ /dev/null
@@ -1,48 +0,0 @@
-.form {
-  &-check {
-    input {
-      display: inline-block !important;
-      width: auto !important;
-      margin: 0 4px 0 0;
-    }
-    label {
-      display: inline-block !important;
-    }
-    padding: 4px 0;
-  }
-  &-group {
-    padding-bottom: 8px;
-    label {
-      display: block;
-    }
-    & > label {
-      margin-bottom: 2px;
-    }
-    input, textarea {
-      display: block;
-      width: 100%;
-    }
-    &:last-child {
-      padding-bottom: 0;
-    }
-    p {
-      &:first-child {
-        margin-top: 0;
-      }
-      &:last-child {
-        margin-bottom: 0;
-      }
-    }
-    .error {
-      margin: 0 !important;
-    }
-  }
-}
-
-.wpra-plugin-disable-poll {
-  &__logo {
-    img {
-      max-height: 40px;
-    }
-  }
-}
diff --git a/css/src/plugins/index.scss b/css/src/plugins/index.scss
deleted file mode 100644
index f9c2b5e4..00000000
--- a/css/src/plugins/index.scss
+++ /dev/null
@@ -1,25 +0,0 @@
-$white: #fff;
-$radius: 4px;
-
-@mixin breakpoint($point) {
-  @if $point == desktop {
-    @media (min-width: 70em) { @content ; }
-  }
-  @else if $point == laptop {
-    @media (min-width: 64em) { @content ; }
-  }
-  @else if $point == tablet {
-    @media (max-width: 50em) { @content ; }
-  }
-  @else if $point == phablet {
-    @media (min-width: 37.5em)  { @content ; }
-  }
-  @else if $point == mobileonly {
-    @media (max-width: 37.5em)  { @content ; }
-
-  }
-}
-
-@import "./../intro/loading";
-@import "modal";
-@import "form";
diff --git a/css/src/plugins/modal.scss b/css/src/plugins/modal.scss
deleted file mode 100644
index 449a3bd3..00000000
--- a/css/src/plugins/modal.scss
+++ /dev/null
@@ -1,173 +0,0 @@
-.modal {
-  &-opened {
-    overflow: hidden;
-  }
-
-  position: fixed;
-  background-color: rgba(0, 0, 0, 0.65);
-  width: 100%;
-  height: 100%;
-  left: 0;
-  top: 0;
-  z-index: 9999;
-  overflow-y: auto;
-
-  @include breakpoint(mobile) {
-    z-index: 100000;
-  }
-
-  &__body {
-    width: 100%;
-    max-width: 30rem;
-    margin: 5rem auto;
-
-    background-color: $white;
-    border-radius: $radius;
-
-    &--no-content-padding {
-      .modal__content {
-        padding: 0;
-      }
-    }
-
-    &--wide {
-      max-width: 50rem;
-    }
-
-    @include breakpoint(mobile) {
-      min-height: 100vh;
-      margin: 0;
-      border-radius: 0;
-    }
-  }
-
-  &__header {
-    padding: .5rem 1rem;
-    font-size: 20px;
-    font-weight: bold;
-    line-height: 1.5;
-    border-bottom: 1px solid #eee;
-
-    &.invisible-header {
-      border: none;
-      font-size: unset;
-      font-weight: unset;
-      padding-top: 12px !important;
-      h3 {
-        margin-top: 0;
-        line-height: 1.5;
-        margin-bottom: 0;
-      }
-      p {
-        margin-top: .25rem;
-        font-size: 14px;
-        opacity: .6;
-        margin-bottom: 0;
-      }
-      & + .modal__content {
-        padding-top: 6px !important;
-      }
-    }
-
-    @include breakpoint(mobile) {
-      position: relative;
-
-      .modal--right {
-        position: absolute;
-        top: 0;
-        padding: 6px 1rem 0 1rem;
-        right: 0;
-        background-color: white;
-      }
-    }
-
-    &-buttons {
-      font-weight: normal;
-    }
-  }
-
-  &__close {
-    opacity: .5;
-    cursor: pointer;
-    &:hover {
-      opacity: .8;
-    }
-  }
-
-  &--right {
-    float: right;
-  }
-
-  &__content {
-    padding: 1rem;
-  }
-
-  &__footer {
-    padding: 1rem;
-    border-top: 1px solid #eee;
-    text-align: right;
-
-    .button {
-      display: inline-block !important;
-      margin-left: 4px !important;
-    }
-    .footer-confirm {
-      margin: 0;
-      padding: 0;
-      display: flex;
-      align-items: center;
-
-      @include breakpoint(mobile) {
-        display: block;
-        &__message {
-          padding-right: 0;
-          padding-bottom: 10px;
-        }
-      }
-
-      &__buttons {
-        flex-shrink: 0;
-
-        &--left {
-          margin-right: auto;
-          flex-grow: 1;
-          text-align: left;
-        }
-      }
-
-      &__message {
-        margin-right: auto;
-        &.__right {
-          flex-grow: 1;
-          padding-right: 10px;
-          text-align: right;
-        }
-      }
-    }
-  }
-}
-
-.modal-transition {
-  &-enter, &-leave-to {
-    opacity: 0;
-
-    .modal__body {
-      opacity: 0;
-      transform: scaleX(.8) scaleY(.7);
-    }
-  }
-
-  &-enter-active, &-leave-active {
-    transition: opacity 0.25s ease-out;
-
-    .modal__body {
-      transition: all .25s cubic-bezier(.665,1.65,0,.845);
-    }
-  }
-}
-
-.button-clear {
-  border: none !important;
-  background: transparent !important;
-  box-shadow: none !important;
-}
diff --git a/includes/admin-plugins.php b/includes/admin-plugins.php
deleted file mode 100644
index 788154e1..00000000
--- a/includes/admin-plugins.php
+++ /dev/null
@@ -1,122 +0,0 @@
-<?php
-
-if (!defined('ABSPATH')) {
-    die;
-}
-
-/**
- * Adds deactivate poll application on plugin's page.
- *
- * @since 4.12.1
- */
-add_action('admin_init', function () {
-    $page = trim($_SERVER["REQUEST_URI"], '/');
-    $isPluginsPage = strpos($page, 'plugins.php') !== false;
-
-    if (!$isPluginsPage) {
-        return;
-    }
-
-    add_action('admin_footer', function () {
-        wprss_plugin_enqueue_app_scripts('wpra-plugins', WPRSS_APP_JS . 'plugins.min.js', array(), '0.1', true);
-        wp_enqueue_style('wpra-plugins', WPRSS_APP_CSS . 'plugins.min.css');
-
-        $addons = wprss_find_installed_addon_names();
-        $addons = array_fill_keys($addons, 1);
-
-        wp_localize_script('wpra-plugins', 'WrpaDisablePoll', [
-            'image' => WPRSS_IMG,
-            'url' => 'https://hooks.zapier.com/hooks/catch/305784/puf5uf/',
-            'audience' => 0, // how many people should see the disable poll (in percents)
-            'model' => [
-                'reason' => 'Other',
-                'follow_up' => null,
-                'date' => date('j M Y'),
-                'addons' => $addons,
-            ],
-            'form' => [
-                [
-                    'label' => '',
-                    'type' => 'radio',
-                    'name' => 'reason',
-                    'options' =>
-                        [
-                            [
-                                'value' => 'I no longer need the plugin',
-                                'label' => __('I no longer need the plugin', 'wprss'),
-                            ],
-                            [
-                                'value' => 'I found a better alternative',
-                                'label' => __('I found a better alternative', 'wprss'),
-                            ],
-                            [
-                                'value' => 'I couldn\'t get the plugin to work',
-                                'label' => __('I couldn\'t get the plugin to work', 'wprss'),
-                            ],
-                            [
-                                'value' => 'I\'m temporarily deactivating the plugin, but I\'ll be back',
-                                'label' => __('I\'m temporarily deactivating the plugin, but I\'ll be back', 'wprss'),
-                            ],
-                            [
-                                'value' => 'I have a WP RSS Aggregator add-on',
-                                'label' => __('I have a WP RSS Aggregator add-on', 'wprss'),
-                            ],
-                            [
-                                'value' => 'Other',
-                                'label' => __('Other', 'wprss'),
-                            ],
-                        ],
-                ],
-                [
-                    'label' => __('Would you mind sharing its name?', 'wprss'),
-                    'type' => 'textarea',
-                    'name' => 'follow_up',
-                    'condition' =>
-                        [
-                            'field' => 'reason',
-                            'operator' => '=',
-                            'value' => 'I found a better alternative',
-                        ],
-                ],
-                [
-                    'type' => 'content',
-                    'label' => __(
-                        'Have you <a target="_blank" href="https://wordpress.org/support/plugin/wp-rss-aggregator/">contacted our support team</a> or checked out our <a href="https://kb.wprssaggregator.com/" target="_blank">Knowledge Base</a>?',
-                        'wprss'
-                    ),
-                    'condition' =>
-                        [
-                            'field' => 'reason',
-                            'operator' => '=',
-                            'value' => __('I couldn\'t get the plugin to work', 'wprss'),
-                        ],
-                ],
-                [
-                    'type' => 'content',
-                    'className' => 'error',
-                    'label' => __('This core plugin is required for all our premium add-ons. Please don\'t deactivate it if you currently have premium add-ons installed and activated.',
-                        'wprss'),
-                    'condition' =>
-                        [
-                            'field' => 'reason',
-                            'operator' => '=',
-                            'value' => __('I have a WP RSS Aggregator add-on', 'wprss'),
-                        ],
-                ],
-                [
-                    'label' => __('Please share your reason...', 'wprss'),
-                    'type' => 'textarea',
-                    'name' => 'follow_up',
-                    'condition' =>
-                        [
-                            'field' => 'reason',
-                            'operator' => '=',
-                            'value' => __('Other', 'wprss'),
-                        ],
-                ],
-            ],
-        ]);
-
-        echo '<div id="wpra-plugins-app"></div>';
-    });
-});
diff --git a/includes/functions.php b/includes/functions.php
index 808678e0..1d6e01f4 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -400,13 +400,24 @@ function wprss_translate_n($single, $plural, $number)
 /**
  * Subscribe an email address to the newsletter.
  *
- * @paran string $name The name of the subscriber.
+ * The endpoint URL is filterable via `wprss_newsletter_subscribe_url`. When
+ * the filter returns an empty string, the subscription is a no-op and the
+ * function returns false without making a request.
+ *
+ * @param string $name The name of the subscriber.
  * @param string $email The email address to subscribe.
  * @return bool True on success, false on failure.
  */
 function wprss_sub_to_newsletter($name, $email)
 {
-    $response = wp_remote_post('https://hooks.zapier.com/hooks/catch/305784/32i6y28/', [
+    $url = apply_filters('wprss_newsletter_subscribe_url', '');
+
+    if (empty($url)) {
+        wpra_get_logger()->info('Newsletter subscribe is not configured; skipping.');
+        return false;
+    }
+
+    $response = wp_remote_post($url, [
         'body' => [
             'subscribe' => [
                 'name' => $name,
diff --git a/js/src/modules/plugins/PluginDisablePoll.vue b/js/src/modules/plugins/PluginDisablePoll.vue
deleted file mode 100644
index 70f863fe..00000000
--- a/js/src/modules/plugins/PluginDisablePoll.vue
+++ /dev/null
@@ -1,122 +0,0 @@
-<template>
-    <div class="wpra-plugin-disable-poll">
-        <modal :active="isModalVisible"
-               @close="closeModal"
-               :header-class="'invisible-header'"
-        >
-            <div slot="header">
-                <div class="wpra-plugin-disable-poll__logo">
-                    <img :src="image('light-line-logo.png')" alt="">
-                </div>
-                <h3>
-                    Do you have a moment to share why you are deactivating WP RSS Aggregator?
-                </h3>
-                <p>
-                    Your feedback will help us to improve our plugins and service.
-                </p>
-            </div>
-
-            <div slot="body">
-                <SerializedForm :form="form" v-model="model"/>
-            </div>
-
-            <div slot="footer">
-                <div class="footer-confirm__buttons">
-                    <button class="button button-clear" @click="deactivate">
-                        Skip & Deactivate
-                    </button>
-                    <button class="button button-primary"
-                            :class="{'loading-button': isDeactivating}"
-                            @click="submit">
-                        Submit & Deactivate
-                    </button>
-                </div>
-            </div>
-        </modal>
-    </div>
-</template>
-
-<script>
-  import Modal from 'app/components/Modal'
-  import SerializedForm from 'app/components/SerializedForm'
-  import axios from 'axios'
-
-  /**
-   * Selector string for plugin's deactivation link.
-   *
-   * @type {string}
-   */
-  const deactivateSelector = '[data-slug="wp-rss-aggregator"] .deactivate a'
-  const deactivateLink = document.querySelector(deactivateSelector)
-
-  export default {
-    components: {
-      Modal,
-      SerializedForm,
-    },
-    data () {
-      return {
-        isDeactivating: false,
-        deactivateUrl: null,
-        submitUrl: WrpaDisablePoll.url,
-        model: WrpaDisablePoll.model,
-        form: WrpaDisablePoll.form,
-        audience: WrpaDisablePoll.audience || 100,
-        isModalVisible: false
-      }
-    },
-    watch: {
-      'model.reason' () {
-        this.model.follow_up = null
-      }
-    },
-    mounted () {
-      const isVisible = this.getRandomInt(0, 100) < this.audience
-      if (isVisible) {
-        deactivateLink.addEventListener('click', this.handleDeactivateClick)
-      }
-    },
-    methods: {
-      getRandomInt (min, max) {
-        min = Math.ceil(min);
-        max = Math.floor(max);
-        return Math.floor(Math.random() * (max - min + 1)) + min;
-      },
-
-      image (path) {
-        return WrpaDisablePoll.image + path
-      },
-
-      handleDeactivateClick (e) {
-        if (this.isModalVisible) {
-          return
-        }
-
-        e.preventDefault()
-        this.isModalVisible = true
-      },
-
-      closeModal () {
-        this.isModalVisible = false
-        this.deactivateUrl = null
-      },
-
-      submit () {
-        this.isDeactivating = true
-        axios.post(this.submitUrl, this.model, {
-          headers: {
-            'Content-Type': 'application/x-www-form-urlencoded'
-          }
-        }).then(() => {
-          this.deactivate()
-        }).finally(() => {
-          this.isDeactivating = false
-        })
-      },
-
-      deactivate () {
-        deactivateLink.click()
-      }
-    }
-  }
-</script>
diff --git a/js/src/modules/plugins/index.js b/js/src/modules/plugins/index.js
deleted file mode 100644
index c4769071..00000000
--- a/js/src/modules/plugins/index.js
+++ /dev/null
@@ -1,10 +0,0 @@
-require('css/src/plugins/index.scss')
-
-import Vue from 'vue'
-import PluginDisablePoll from './PluginDisablePoll'
-
-new Vue({
-  el: '#wpra-plugins-app',
-  template: '<PluginDisablePoll/>',
-  components: { PluginDisablePoll }
-})
diff --git a/webpack/webpack.vue.js b/webpack/webpack.vue.js
index 480f92f1..2bfb362e 100644
--- a/webpack/webpack.vue.js
+++ b/webpack/webpack.vue.js
@@ -29,7 +29,6 @@ let config = {
   context: dir,
   entry: {
     intro: './js/src/modules/intro/index.js',
-    plugins: './js/src/modules/plugins/index.js',
     templates: './js/src/modules/templates/index.js',
     pagination: './js/src/modules/pagination/index.js',
     common: './css/src/common/index.scss',
diff --git a/wp-rss-aggregator.php b/wp-rss-aggregator.php
index d2c8a89d..64dd8974 100755
--- a/wp-rss-aggregator.php
+++ b/wp-rss-aggregator.php
@@ -312,9 +312,6 @@
 /* Admin plugin activation events */
 require_once ( WPRSS_INC . 'admin-activate.php' );
 
-/* Add components to the plugins page  */
-require_once(WPRSS_INC . 'admin-plugins.php');
-
 /* Access to feed */
 require_once ( WPRSS_INC . 'feed-access.php' );