diff --git a/libraries/src/Document/Renderer/Html/ModuleRenderer.php b/libraries/src/Document/Renderer/Html/ModuleRenderer.php
index e0bedc5d0e0cb..1e4f48bb7b749 100644
--- a/libraries/src/Document/Renderer/Html/ModuleRenderer.php
+++ b/libraries/src/Document/Renderer/Html/ModuleRenderer.php
@@ -79,8 +79,8 @@ public function render($module, $attribs = array(), $content = null)
 			$module->params = (string) $params;
 		}
 
-		// Default for compatibility purposes. Set cachemode parameter or use JModuleHelper::moduleCache from within the module instead
-		$cachemode = $params->get('cachemode', 'oldstatic');
+		// Set cachemode parameter or use JModuleHelper::moduleCache from within the module instead
+		$cachemode = $params->get('cachemode', 'static');
 
 		if ($params->get('cache', 0) == 1 && Factory::getApplication()->get('caching') >= 1 && $cachemode != 'id' && $cachemode != 'safeuri')
 		{
diff --git a/libraries/src/Helper/ModuleHelper.php b/libraries/src/Helper/ModuleHelper.php
index d3fbf29db572b..af8da5da78800 100644
--- a/libraries/src/Helper/ModuleHelper.php
+++ b/libraries/src/Helper/ModuleHelper.php
@@ -485,8 +485,6 @@ public static function cleanModuleList($modules)
 	 * Caching modes:
 	 * To be set in XML:
 	 * 'static'      One cache file for all pages with the same module parameters
-	 * 'oldstatic'   1.5 definition of module caching, one cache file for all pages
-	 *               with the same module id and user aid,
 	 * 'itemid'      Changes on itemid change, to be called from inside the module:
 	 * 'safeuri'     Id created from $cacheparams->modeparams array,
 	 * 'id'          Module sets own cache id's
@@ -585,17 +583,6 @@ public static function moduleCache($module, $moduleparams, $cacheparams)
 				);
 				break;
 
-			// Provided for backward compatibility, not really useful.
-			case 'oldstatic':
-				$ret = $cache->get(
-					array($cacheparams->class, $cacheparams->method),
-					$cacheparams->methodparams,
-					$module->id . $view_levels,
-					$wrkarounds,
-					$wrkaroundoptions
-				);
-				break;
-
 			case 'itemid':
 			default:
 				$ret = $cache->get(