diff --git includes/module.inc includes/module.inc
index 4af068e..5b4af1e 100644
--- includes/module.inc
+++ includes/module.inc
@@ -369,6 +369,9 @@ function module_enable($module_list, $enable_dependencies = TRUE) {
       registry_update();
       // Refresh the schema to include it.
       drupal_get_schema(NULL, TRUE);
+      // Clear entity cache.
+      drupal_static_reset('entity_get_info');
+      cache_clear_all('entity_info', 'cache', TRUE);
 
       // Now install the module if necessary.
       if (drupal_get_installed_schema_version($module, TRUE) == SCHEMA_UNINSTALLED) {
diff --git modules/system/system.test modules/system/system.test
index 42bb46b..a5c1377 100644
--- modules/system/system.test
+++ modules/system/system.test
@@ -177,11 +177,11 @@ class ModuleDependencyTestCase extends ModuleTestCase {
   function testEnableWithoutDependency() {
     // Attempt to enable content translation without locale enabled.
     $edit = array();
-    $edit['modules[Core][translation][enable]'] = 'translation';
+    $edit['modules[Rules][rules][enable]'] = 'rules';
     $this->drupalPost('admin/modules', $edit, t('Save configuration'));
     $this->assertText(t('Some required modules must be enabled'), t('Dependecy required.'));
 
-    $this->assertModules(array('translation', 'locale'), FALSE);
+    $this->assertModules(array('rules', 'entity', 'entity_metadata'), FALSE);
 
     // Assert that the locale tables weren't enabled.
     $this->assertTableCount('languages', FALSE);
@@ -190,11 +190,11 @@ class ModuleDependencyTestCase extends ModuleTestCase {
     $this->drupalPost(NULL, NULL, t('Continue'));
     $this->assertText(t('The configuration options have been saved.'), t('Modules status has been updated.'));
 
-    $this->assertModules(array('translation', 'locale'), TRUE);
+    $this->assertModules(array('rules', 'entity', 'entity_metadata'), TRUE);
 
     // Assert that the locale tables were enabled.
-    $this->assertTableCount('languages', TRUE);
-    $this->assertTableCount('locale', TRUE);
+    //$this->assertTableCount('languages', TRUE);
+    //$this->assertTableCount('locale', TRUE);
   }
 
   /**