diff -u b/core/modules/system/system.module b/core/modules/system/system.module
--- b/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -3367,7 +3367,7 @@
     }
   }
 
-  $cache_bins = array_merge(module_invoke_all('cache_flush'), array('form', 'menu', 'plugin'));
+  $cache_bins = array_merge(module_invoke_all('cache_flush'), array('form', 'menu'));
   foreach ($cache_bins as $bin) {
     cache($bin)->expire();
   }
@@ -3397,7 +3397,7 @@
  */
 function system_cache_flush() {
   // Do NOT flush the 'form' cache bin to retain in-progress form submissions.
-  return array('bootstrap', 'cache', 'page', 'path');
+  return array('bootstrap', 'cache', 'page', 'path', 'plugin');
 }
 
 /**