diff --git a/core/modules/block/block.module b/core/modules/block/block.module
index 42f22fa..cd1e2a1 100644
--- a/core/modules/block/block.module
+++ b/core/modules/block/block.module
@@ -316,7 +316,9 @@ function _block_get_renderable_region($list = array()) {
   // the regular 'roles define permissions' schema, it brings too many
   // chances of having unwanted output get in the cache and later be served
   // to other users. We therefore exclude user 1 from block caching.
-  $not_cacheable = $GLOBALS['user']->uid == 1 ||
+  $not_cacheable =
+    config('system.performance')->get('cache.block.bypass_node_grants', FALSE) ||
+    $GLOBALS['user']->uid == 1 ||
     count(module_implements('node_grants')) ||
     !in_array($_SERVER['REQUEST_METHOD'], array('GET', 'HEAD'));
 
diff --git a/core/modules/system/config/system.performance.yml b/core/modules/system/config/system.performance.yml
index 0188032..98ff7c9 100644
--- a/core/modules/system/config/system.performance.yml
+++ b/core/modules/system/config/system.performance.yml
@@ -2,6 +2,8 @@ cache:
   page:
     use_internal: '0'
     max_age: '0'
+  block:
+    bypass_node_grants: '0'
 css:
   preprocess: '0'
   gzip: '1'
diff --git a/sites/default/default.settings.php b/sites/default/default.settings.php
index 7fcda31..61a0eec 100644
--- a/sites/default/default.settings.php
+++ b/sites/default/default.settings.php
@@ -570,6 +570,19 @@
 # $conf['system.performance']['js']['gzip'] = FALSE;
 
 /**
+ * Block caching:
+ *
+ * Block caching may not compatible with node access modules depending on
+ * how the original block cache policy is defined set by the module that
+ * provides the block. By default, block cache will be disabled when one or
+ * more modules implement the hook_node_grant() hook. If you consider block
+ * caching to be safe on your site, you can bypass this restriction and force
+ * block caching to the default policy (per block setting) by setting the
+ * following variable to TRUE.
+ */
+# $conf['system.performance']['cache']['block']['bypass_node_grants'] = TRUE;
+
+/**
  * String overrides:
  *
  * To override specific strings on your site with or without enabling the Locale