diff -u b/core/includes/install.inc b/core/includes/install.inc
--- b/core/includes/install.inc
+++ b/core/includes/install.inc
@@ -1073,9 +1073,6 @@
  *       Drupal's default installer theme.
  *     - finish_url: A destination to visit after the installation of the
  *       distribution is finished
- * - base profile: The shortname of the base installation profile. Existence of
- *   this key denotes that the installation profile depends on a parent
- *   installation profile.
  *
  * Note that this function does an expensive file system scan to get info file
  * information for dependencies. If you only need information from the info
@@ -1083,6 +1080,9 @@
  *       Drupal's default installer theme.
  *     - finish_url: A destination to visit after the installation of the
  *       distribution is finished
+ * - base profile: The shortname of the base installation profile. Existence of
+ *   this key denotes that the installation profile depends on a parent
+ *   installation profile.
  *
  * Note that this function does an expensive file system scan to get info file
  * information for dependencies. If you only need information from the info
@@ -1111,6 +1111,7 @@
   if (!isset($cache[$profile][$langcode])) {
     $profile_path = drupal_get_path('profile', $profile);
     $info = \Drupal::service('extension.list.profile')->getExtensionInfo($profile);
+    $ancestors = \Drupal::service('extension.list.profile')->getAncestors($profile);

     $dependency_name_function = function ($dependency) {
       return Dependency::createFromString($dependency)->getName();
@@ -1131,6 +1132,9 @@
     // remove any duplicates.
     $info['install'] = array_unique(array_merge($info['install'], $required, $info['dependencies'], $locale));

+    // Remove the base profiles from the install list.
+    $info['install'] = array_diff($info['install'], array_keys($ancestors));
+
     // If the profile has a config/sync directory use that to install drupal.
     if (is_dir($profile_path . '/config/sync')) {
       $info['config_install_path'] = $profile_path . '/config/sync';
diff -u b/core/lib/Drupal/Core/Extension/ProfileExtensionList.php b/core/lib/Drupal/Core/Extension/ProfileExtensionList.php
--- b/core/lib/Drupal/Core/Extension/ProfileExtensionList.php
+++ b/core/lib/Drupal/Core/Extension/ProfileExtensionList.php
@@ -146,7 +146,10 @@
         $ancestor->children[] = $profile_name;
         $info['install'] = array_merge($info['install'], $ancestor->info['install']);
         $info['themes'] = array_merge($info['themes'], $ancestor->info['themes']);
+        // Add ancestor dependencies as our dependencies.
+        $info['dependencies'] = array_merge($info['dependencies'], $ancestor->info['dependencies']);
       }
+      $info['dependencies'] = array_unique($info['dependencies']);
       $info['install'] = array_unique($info['install']);
       $info['themes'] = array_unique($info['themes']);
     }