diff --git a/Source/WTF/wtf/glib/WTFGType.h b/Source/WTF/wtf/glib/WTFGType.h
index 203522e6..9953fe80 100644
--- a/Source/WTF/wtf/glib/WTFGType.h
+++ b/Source/WTF/wtf/glib/WTFGType.h
@@ -74,7 +74,7 @@ static void type_name##_init(TypeName* self, gpointer) \
 \
 GType type_name##_get_type(void) \
 { \
-    static volatile gsize g_define_type_id__volatile = 0; \
+    static gsize g_define_type_id__volatile = 0; \
     if (g_once_init_enter(&g_define_type_id__volatile)) { \
         GType g_define_type_id = type_name##_get_type_once(); \
         g_once_init_leave(&g_define_type_id__volatile, g_define_type_id); \