diff --git a/drivers/net/wwan/iosm/iosm_ipc_wwan.c b/drivers/net/wwan/iosm/iosm_ipc_wwan.c
index 4c9022a93e01..ff747fc79aaf 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_wwan.c
+++ b/drivers/net/wwan/iosm/iosm_ipc_wwan.c
@@ -18,8 +18,6 @@
 #define IOSM_IP_TYPE_IPV4 0x40
 #define IOSM_IP_TYPE_IPV6 0x60
 
-#define IOSM_IF_ID_PAYLOAD 2
-
 /**
  * struct iosm_netdev_priv - netdev WWAN driver specific private data
  * @ipc_wwan:	Pointer to iosm_wwan struct