diff --git a/repos/dde_linux/lib/mk/wireguard.inc b/repos/dde_linux/lib/mk/wireguard.inc
index 179d45759c..38f88d6f33 100644
--- a/repos/dde_linux/lib/mk/wireguard.inc
+++ b/repos/dde_linux/lib/mk/wireguard.inc
@@ -18,5 +18,3 @@ SRC_CC += uplink_connection.cc
 
 vpath %.cc $(REP_DIR)/src/app/wireguard
 vpath %.cc $(REP_DIR)/src/lib
-
-CC_CXX_WARN_STRICT_CONVERSION =