diff --git a/testing/testsuites/kernel/socket/cases/net_socket_test_010.c b/testing/testsuites/kernel/socket/cases/net_socket_test_010.c
index 462b07a2e..f8a951aa9 100644
--- a/testing/testsuites/kernel/socket/cases/net_socket_test_010.c
+++ b/testing/testsuites/kernel/socket/cases/net_socket_test_010.c
@@ -42,8 +42,6 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#define IFF_PROMISC 0x100
-
 /****************************************************************************
  * Private Functions
  ****************************************************************************/