diff --git a/tests/extensions_basic.phpt b/tests/extensions_basic.phpt
index 9234c7e..44c511e 100644
--- a/tests/extensions_basic.phpt
+++ b/tests/extensions_basic.phpt
@@ -13,7 +13,12 @@ var_dump(V8JS::getExtensions());
 $a = new V8Js('myobj', array(), array('a'));
 ?>
 ===EOF===
---EXPECT--
+--EXPECTF--
+Deprecated: Function V8Js::registerExtension() is deprecated in %s%eextensions_basic.php on line 3
+
+Deprecated: Function V8Js::registerExtension() is deprecated in %s%eextensions_basic.php on line 4
+
+Deprecated: Function V8Js::getExtensions() is deprecated in %s%eextensions_basic.php on line 6
 array(2) {
   ["a"]=>
   array(2) {
diff --git a/tests/extensions_circular_dependency.phpt b/tests/extensions_circular_dependency.phpt
index f792e94..29a6284 100644
--- a/tests/extensions_circular_dependency.phpt
+++ b/tests/extensions_circular_dependency.phpt
@@ -13,6 +13,11 @@ var_dump(V8JS::getExtensions());
 $a = new V8Js('myobj', array(), array('a'));
 ?>
 --EXPECTF--
+Deprecated: Function V8Js::registerExtension() is deprecated in %s%eextensions_circular_dependency.php on line 3
+
+Deprecated: Function V8Js::registerExtension() is deprecated in %s%eextensions_circular_dependency.php on line 4
+
+Deprecated: Function V8Js::getExtensions() is deprecated in %s%eextensions_circular_dependency.php on line 6
 array(2) {
   ["a"]=>
   array(2) {
diff --git a/tests/extensions_error.phpt b/tests/extensions_error.phpt
index b572672..f59b0b7 100644
--- a/tests/extensions_error.phpt
+++ b/tests/extensions_error.phpt
@@ -38,6 +38,8 @@ var_dump($v8);
 ===EOF===
 --EXPECTF--
 -- registerExtension --
+
+Deprecated: Function V8Js::registerExtension() is deprecated in %s%eextensions_error.php on line 5
 -- creating V8Js object --
 Error installing extension 'handlebars'.
 
diff --git a/v8js_class.cc b/v8js_class.cc
index c424f32..97e8d36 100644
--- a/v8js_class.cc
+++ b/v8js_class.cc
@@ -1267,8 +1267,8 @@ const zend_function_entry v8js_methods[] = { /* {{{ */
 	PHP_ME(V8Js,	setTimeLimit,			arginfo_v8js_settimelimit,			ZEND_ACC_PUBLIC)
 	PHP_ME(V8Js,	setMemoryLimit,			arginfo_v8js_setmemorylimit,		ZEND_ACC_PUBLIC)
 	PHP_ME(V8Js,	setAverageObjectSize,	arginfo_v8js_setaverageobjectsize,	ZEND_ACC_PUBLIC)
-	PHP_ME(V8Js,	registerExtension,		arginfo_v8js_registerextension,		ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
-	PHP_ME(V8Js,	getExtensions,			arginfo_v8js_getextensions,			ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
+	PHP_ME(V8Js,	registerExtension,		arginfo_v8js_registerextension,		ZEND_ACC_PUBLIC|ZEND_ACC_STATIC|ZEND_ACC_DEPRECATED)
+	PHP_ME(V8Js,	getExtensions,			arginfo_v8js_getextensions,			ZEND_ACC_PUBLIC|ZEND_ACC_STATIC|ZEND_ACC_DEPRECATED)
 	PHP_ME(V8Js,	createSnapshot,			arginfo_v8js_createsnapshot,		ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
 	{NULL, NULL, NULL}
 };