diff --git a/test/unit-test/FreeRTOS_IPv6_ConfigDriverCheckChecksum/FreeRTOS_IPv6_ConfigDriverCheckChecksum_stubs.c b/test/unit-test/FreeRTOS_IPv6_ConfigDriverCheckChecksum/FreeRTOS_IPv6_ConfigDriverCheckChecksum_stubs.c
index cd5c5dc55..4001eb25e 100644
--- a/test/unit-test/FreeRTOS_IPv6_ConfigDriverCheckChecksum/FreeRTOS_IPv6_ConfigDriverCheckChecksum_stubs.c
+++ b/test/unit-test/FreeRTOS_IPv6_ConfigDriverCheckChecksum/FreeRTOS_IPv6_ConfigDriverCheckChecksum_stubs.c
@@ -40,7 +40,6 @@
 
 /* ===========================  EXTERN VARIABLES  =========================== */
 
-extern const struct xIPv6_Address FreeRTOS_in6addr_any;
 
 /* First IPv6 address is 2001:1234:5678::5 */
 const IPv6_Address_t xIPAddressFive = { 0x20, 0x01, 0x12, 0x34, 0x56, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05 };