Index: branches/RC/core/units/general/helpers/sections_helper.php
===================================================================
diff -u -r11129 -r11135
--- branches/RC/core/units/general/helpers/sections_helper.php	(.../sections_helper.php)	(revision 11129)
+++ branches/RC/core/units/general/helpers/sections_helper.php	(.../sections_helper.php)	(revision 11135)
@@ -181,10 +181,6 @@
 
 				$current_data = isset($this->Tree[$section_name]) ? $this->Tree[$section_name] : Array();
 
-				if ($section_name == 'in-portal:system') {
-					echo '';
-				}
-
 				$this->Tree[$section_name] = array_merge_recursive2($current_data, $section_params);
 			}
 		}
Index: branches/RC/core/units/admin/admin_events_handler.php
===================================================================
diff -u -r10954 -r11135
--- branches/RC/core/units/admin/admin_events_handler.php	(.../admin_events_handler.php)	(revision 10954)
+++ branches/RC/core/units/admin/admin_events_handler.php	(.../admin_events_handler.php)	(revision 11135)
@@ -1117,7 +1117,7 @@
 		list($usec, $sec) = explode(' ', microtime());
 		return ((float)$usec + (float)$sec);
 	}
-	
+
 	/**
 	 * Occurs after unit config cache was successfully rebuilt
 	 *
@@ -1126,6 +1126,27 @@
 	function OnAfterCacheRebuild(&$event)
 	{
 
-	}	
+	}
 
+	/**
+	 * Removes "Community -> Groups" section when it is not allowed
+	 *
+	 * @param kEvent $event
+	 */
+	function OnAfterConfigRead(&$event)
+	{
+		parent::OnAfterConfigRead($event);
+
+		if (!$this->Application->ConfigValue('AdvancedUserManagement')) {
+			$section_ajustments = $this->Application->getUnitOption($event->Prefix, 'SectionAdjustments');
+			if (!$section_ajustments) {
+				$section_ajustments = Array ();
+			}
+
+			$section_ajustments['in-portal:user_groups'] = 'remove';
+
+			$this->Application->setUnitOption($event->Prefix, 'SectionAdjustments', $section_ajustments);
+		}
+	}
+
 }
\ No newline at end of file