diff --git a/libraries/net/eth/lwip-eth/arch/TARGET_RZ_A1H/rza1_emac.c b/libraries/net/eth/lwip-eth/arch/TARGET_RZ_A1H/rza1_emac.c
index 761679e3b7..ee72285ce3 100644
--- a/libraries/net/eth/lwip-eth/arch/TARGET_RZ_A1H/rza1_emac.c
+++ b/libraries/net/eth/lwip-eth/arch/TARGET_RZ_A1H/rza1_emac.c
@@ -24,17 +24,14 @@ static void rza1_recv_task(void *arg) {
     struct eth_hdr *ethhdr;
     u16_t          recv_size;
     struct pbuf    *p;
-    struct pbuf    *q;
 
     while (1) {
         sys_arch_sem_wait(&recv_ready_sem, 0);
         recv_size = ethernet_receive();
         if (recv_size != 0) {
-            p = pbuf_alloc(PBUF_RAW, recv_size, PBUF_POOL);
+            p = pbuf_alloc(PBUF_RAW, recv_size, PBUF_RAM);
             if (p != NULL) {
-                for (q = p; q != NULL; q = q->next) {
-                    (void)ethernet_read((char *)q->payload, q->len);
-                }
+                (void)ethernet_read((char *)p->payload, p->len);
                 ethhdr = p->payload;
                 switch (htons(ethhdr->type)) {
                     case ETHTYPE_IP:
diff --git a/libraries/rpc/Arguments.cpp b/libraries/rpc/Arguments.cpp
index b14f0b6957..155d6ae6b1 100644
--- a/libraries/rpc/Arguments.cpp
+++ b/libraries/rpc/Arguments.cpp
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+#include "mbed.h"
 #include "Arguments.h"
 #include "pinmap.h"
 
diff --git a/libraries/rpc/parse_pins.cpp b/libraries/rpc/parse_pins.cpp
index e68471e9ac..2887749b57 100644
--- a/libraries/rpc/parse_pins.cpp
+++ b/libraries/rpc/parse_pins.cpp
@@ -38,7 +38,7 @@ PinName parse_pins(const char *str) {
                                 , NC, NC, NC, NC, NC, NC, NC, NC, p41, p42, p43, p44, p45, p46};
 #endif
 
-#if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368) || defined(TARGET_LPC812) || defined(TARGET_LPC4088) || defined(TARGET_LPC4088_DM) || defined(TARGET_LPC1114)
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC11U24) || defined(TARGET_LPC2368) || defined(TARGET_LPC812) || defined(TARGET_LPC4088) || defined(TARGET_LPC4088_DM) || defined(TARGET_LPC1114) || defined(TARGET_RZ_A1H)
     if (str[0] == 'P') {              // Pn_n
         uint32_t port = str[1] - '0';
         uint32_t pin  = str[3] - '0'; // Pn_n