diff --git a/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
index 9103ab8c07..5241ff3a19 100644
--- a/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
+++ b/core/lib/Drupal/Core/Config/ExtensionInstallStorage.php
@@ -58,9 +58,14 @@ public function __construct(StorageInterface $config_storage, $directory = self:
     $this->configStorage = $config_storage;
     $this->includeProfile = $include_profile;
     if (is_null($profile)) {
-      @trigger_error('Install profile will be a mandatory parameter in Drupal 9.0.', E_USER_DEPRECATED);
+      $profile = \Drupal::installProfile();
+      if (!is_null($profile)) {
+        // Only trigger deprecation if \Drupal::installProfile() is not also
+        // NULL.
+        @trigger_error('Install profile will be a mandatory parameter in Drupal 9.0.', E_USER_DEPRECATED);
+      }
     }
-    $this->installProfile = $profile ?: \Drupal::installProfile();
+    $this->installProfile = $profile;
   }
 
   /**
diff --git a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
index 99cb949215..fcc2aad125 100644
--- a/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
+++ b/core/tests/Drupal/Tests/Listeners/DeprecationListenerTrait.php
@@ -100,7 +100,6 @@ private function willBeIsolated($test) {
   public static function getSkippedDeprecations() {
     return [
       'The Twig_Environment::getCacheFilename method is deprecated since version 1.22 and will be removed in Twig 2.0.',
-      'Install profile will be a mandatory parameter in Drupal 9.0.',
       'Setting the strict option of the Choice constraint to false is deprecated since version 3.2 and will be removed in 4.0.',
       'The revision_user revision metadata key is not set.',
       'The revision_created revision metadata key is not set.',