diff --git a/package/system/usign/Makefile b/package/system/usign/Makefile
index 713bb9349f..ce40e6861e 100644
--- a/package/system/usign/Makefile
+++ b/package/system/usign/Makefile
@@ -10,7 +10,6 @@ PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
 PKG_SOURCE_VERSION:=cf8dcdb8a4e874c77f3e9a8e9b643e8c17b19131
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
 CMAKE_INSTALL:=1
-PKG_CHECK_FORMAT_SECURITY:=1
 PKG_USE_MIPS16:=0
 
 PKG_LICENSE:=ISC