diff --git a/examples/rp2040/pico-rmii/driver_rp2040_rmii.c b/examples/rp2040/pico-rmii/driver_rp2040_rmii.c
index 5a244d24..b61bd450 100644
--- a/examples/rp2040/pico-rmii/driver_rp2040_rmii.c
+++ b/examples/rp2040/pico-rmii/driver_rp2040_rmii.c
@@ -256,7 +256,6 @@ static bool mg_tcpip_driver_rp2040_rmii_init(struct mg_tcpip_if *ifp) {
       (struct mg_tcpip_driver_rp2040_rmii_data *) ifp->driver_data;
   uint rx_sm_addr, tx_sm_addr;
   s_ifp = ifp;
-  if (ifp->queue.len == 0) ifp->queue.len = 8192;
   rx_sm_addr = pio_add_program(pio0, &rmii_rx_program);
   tx_sm_addr = pio_add_program(pio0, &rmii_tx_program);
   smi_wr_addr = pio_add_program(pio0, &smi_wr_program);
@@ -338,7 +337,7 @@ static void rx_irq(void) {
 }
 
 static size_t mg_tcpip_driver_rp2040_rmii_rx(void *buf, size_t buflen, struct mg_tcpip_if *ifp) {
-  size_t len = mg_tcpip_qread(buf, ifp);
+  size_t len = 0; // mg_tcpip_qread(buf, ifp);
   if (len == 0) return 0;
   len -= 4;                           // exclude CRC from frame length
   uint32_t crc = crc_calc(buf, len);  // calculate CRC and compare
diff --git a/examples/rp2040/pico-rndis-dashboard/main.c b/examples/rp2040/pico-rndis-dashboard/main.c
index 07846396..1ebd3292 100644
--- a/examples/rp2040/pico-rndis-dashboard/main.c
+++ b/examples/rp2040/pico-rndis-dashboard/main.c
@@ -56,13 +56,13 @@ int main(void) {
   mg_mgr_init(&mgr);  // and attach it to the MIP interface
   mg_timer_add(&mgr, 500, MG_TIMER_REPEAT, blink_cb, &mgr);
 
-  struct mg_tcpip_driver driver = {.tx = usb_tx, .rx = mg_tcpip_driver_rx, .up = usb_up};
+  struct mg_tcpip_driver driver = {.tx = usb_tx, .up = usb_up};
   struct mg_tcpip_if mif = {.mac = {2, 0, 1, 2, 3, 0x77},
                        .ip = mg_htonl(MG_U32(192, 168, 3, 1)),
                        .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
                        .enable_dhcp_server = true,
                        .driver = &driver,
-                       .queue.len = 4096};
+                       .recv_queue.size = 4096};
   s_ifp = &mif;
   mg_tcpip_init(&mgr, &mif);
   tusb_init();
diff --git a/examples/stm32/nucleo-f429zi-rndis/main.c b/examples/stm32/nucleo-f429zi-rndis/main.c
index ba6dd324..b4bbe32e 100644
--- a/examples/stm32/nucleo-f429zi-rndis/main.c
+++ b/examples/stm32/nucleo-f429zi-rndis/main.c
@@ -88,8 +88,7 @@ int main(void) {
 
 
   MG_INFO(("Init TCP/IP stack ..."));
-  struct mg_tcpip_driver driver = {
-      .tx = usb_tx, .rx = mg_tcpip_driver_rx, .up = usb_up};
+  struct mg_tcpip_driver driver = {.tx = usb_tx, .up = usb_up};
   struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
                             .ip = mg_htonl(MG_U32(192, 168, 3, 1)),
                             .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
diff --git a/examples/stm32/nucleo-f746zg-rndis/main.c b/examples/stm32/nucleo-f746zg-rndis/main.c
index 8aee5af3..6bf7ff83 100644
--- a/examples/stm32/nucleo-f746zg-rndis/main.c
+++ b/examples/stm32/nucleo-f746zg-rndis/main.c
@@ -88,14 +88,13 @@ int main(void) {
 
 
   MG_INFO(("Init TCP/IP stack ..."));
-  struct mg_tcpip_driver driver = {
-      .tx = usb_tx, .rx = mg_tcpip_driver_rx, .up = usb_up};
+  struct mg_tcpip_driver driver = {.tx = usb_tx, .up = usb_up};
   struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
                             .ip = mg_htonl(MG_U32(192, 168, 3, 1)),
                             .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
                             .enable_dhcp_server = true,
                             .driver = &driver,
-                            .queue.len = 4096};
+                            .recv_queue.size = 4096};
   s_ifp = &mif;
   mg_tcpip_init(&mgr, &mif);
   mg_timer_add(&mgr, 500, MG_TIMER_REPEAT, blink_cb, &mgr);