diff --git a/src/api/pppapi.c b/src/api/pppapi.c
index 3f7f0ebc..754cdc22 100644
--- a/src/api/pppapi.c
+++ b/src/api/pppapi.c
@@ -36,7 +36,6 @@
 #if LWIP_PPP_API /* don't build if not configured for use in lwipopts.h */
 
 #include "lwip/pppapi.h"
-#include "lwip/tcpip.h"
 #include "lwip/priv/tcpip_priv.h"
 #include "netif/ppp/pppoe.h"
 #include "netif/ppp/pppol2tp.h"
diff --git a/src/netif/ppp/pppos.c b/src/netif/ppp/pppos.c
index 84dfa37b..3d81eae0 100644
--- a/src/netif/ppp/pppos.c
+++ b/src/netif/ppp/pppos.c
@@ -42,7 +42,6 @@
 #include "lwip/memp.h"
 #include "lwip/netif.h"
 #include "lwip/snmp_mib2.h"
-#include "lwip/tcpip.h"
 #include "lwip/priv/tcpip_priv.h"
 #include "lwip/api.h"
 #include "lwip/ip4.h" /* for ip4_input() */