diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 19b563b..9198b16 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1471,7 +1471,6 @@ static void obj_free(struct size_class *class, unsigned long obj)
 	unsigned int f_objidx;
 	void *vaddr;
 
-	obj &= ~OBJ_ALLOCATED_TAG;
 	obj_to_location(obj, &f_page, &f_objidx);
 	f_offset = (class->size * f_objidx) & ~PAGE_MASK;
 	zspage = get_zspage(f_page);