diff --git a/core/modules/block/block.install b/core/modules/block/block.install
index 106815c..ead2b52 100644
--- a/core/modules/block/block.install
+++ b/core/modules/block/block.install
@@ -8,16 +8,6 @@
 use Drupal\Core\Cache\Cache;
 
 /**
- * Implements hook_install().
- */
-function block_install() {
-  // Because the Block module upon installation unconditionally overrides all
-  // HTML output by selecting a different page display variant, we must
-  // invalidate all cached HTML output.
-  Cache::invalidateTags(['rendered']);
-}
-
-/**
  * @addtogroup updates-8.0.0-beta
  * @{
  */