diff --git a/core/includes/install.core.inc b/core/includes/install.core.inc
index b2c4f3d..00c3445 100644
--- a/core/includes/install.core.inc
+++ b/core/includes/install.core.inc
@@ -1180,10 +1180,6 @@ function install_select_profile(&$install_state) {
  *   selected.
  */
 function _install_select_profile(&$install_state) {
-  // Use install profile from settings.php if it is set already.
-  if ($existing_profile = Settings::get('install_profile')) {
-    return $existing_profile;
-  }
   // Don't need to choose profile if only one available.
   if (count($install_state['profiles']) == 1) {
     return key($install_state['profiles']);
diff --git a/core/modules/system/src/Tests/Installer/InstallerExistingSettingsTest.php b/core/modules/system/src/Tests/Installer/InstallerExistingSettingsTest.php
index 3027d76..384a8f1 100644
--- a/core/modules/system/src/Tests/Installer/InstallerExistingSettingsTest.php
+++ b/core/modules/system/src/Tests/Installer/InstallerExistingSettingsTest.php
@@ -34,7 +34,7 @@ protected function setUp() {
     // Actually the install profile should be skipped to because it is written
     // to settings.php.
     $this->settings['settings']['install_profile'] = (object) array(
-      'value' => 'testing',
+      'value' => 'minimal',
       'required' => TRUE,
     );
 
@@ -68,14 +68,6 @@ protected function setUp() {
   /**
    * {@inheritdoc}
    */
-  protected function setUpProfile() {
-    // This step should not appear, since settings.php is fully configured
-    // already.
-  }
-
-  /**
-   * {@inheritdoc}
-   */
   protected function setUpSettings() {
     // This step should not appear, since settings.php is fully configured
     // already.
@@ -87,6 +79,7 @@ protected function setUpSettings() {
   public function testInstaller() {
     $this->assertUrl('user/1');
     $this->assertResponse(200);
+    $this->assertEqual('testing', drupal_get_profile(), 'Profile was changed from minimal to testing during interactive install.');
   }
 
 }