diff -u b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
--- b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
+++ b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
@@ -4,7 +4,6 @@
 
 use Drupal\Core\Extension\ExtensionDiscovery;
 use Drupal\Core\Extension\ProfileExtensionList;
-use Drupal\Core\Extension\ProfileHandlerInterface;
 
 /**
  * Storage to access configuration and schema in enabled extensions.
diff -u b/core/lib/Drupal/Core/Config/InstallStorage.php b/core/lib/Drupal/Core/Config/InstallStorage.php
--- b/core/lib/Drupal/Core/Config/InstallStorage.php
+++ b/core/lib/Drupal/Core/Config/InstallStorage.php
@@ -5,7 +5,6 @@
 use Drupal\Core\Extension\ExtensionDiscovery;
 use Drupal\Core\Extension\Extension;
 use Drupal\Core\Extension\ProfileExtensionList;
-use Drupal\Core\Extension\ProfileHandlerInterface;
 
 /**
  * Storage used by the Drupal installer.