diff --git a/components/esp_hal_emac/esp32/emac_periph.c b/components/esp_hal_emac/esp32/emac_periph.c
index 5b093b14cf4..727d5118ddd 100644
--- a/components/esp_hal_emac/esp32/emac_periph.c
+++ b/components/esp_hal_emac/esp32/emac_periph.c
@@ -3,6 +3,7 @@
  *
  * SPDX-License-Identifier: Apache-2.0
  */
+#include <stddef.h>
 #include "hal/emac_periph.h"
 #include "soc/io_mux_reg.h"
 
diff --git a/components/esp_hal_emac/esp32p4/emac_periph.c b/components/esp_hal_emac/esp32p4/emac_periph.c
index c735908e230..9f06a8219b8 100644
--- a/components/esp_hal_emac/esp32p4/emac_periph.c
+++ b/components/esp_hal_emac/esp32p4/emac_periph.c
@@ -3,6 +3,7 @@
  *
  * SPDX-License-Identifier: Apache-2.0
  */
+#include <stddef.h>
 #include "hal/emac_periph.h"
 #include "hal/config.h"
 #include "soc/io_mux_reg.h"
diff --git a/examples/network/.build-test-rules.yml b/examples/network/.build-test-rules.yml
index fbc897e33ba..a98d7faebf4 100644
--- a/examples/network/.build-test-rules.yml
+++ b/examples/network/.build-test-rules.yml
@@ -17,6 +17,9 @@ examples/network/bridge:
 examples/network/eth2ap:
   disable:
     - if: SOC_WIFI_SUPPORTED != 1
+    - if: IDF_TARGET in ["esp32s31"]
+      temporary: true
+      reason: not support yet # TODO: [ESP32S31] IDF-14929
   depends_components:
     - esp_eth
     - esp_wifi
@@ -36,6 +39,9 @@ examples/network/simple_sniffer:
 examples/network/sta2eth:
   disable:
     - if: SOC_WIFI_SUPPORTED != 1
+    - if: IDF_TARGET in ["esp32s31"]
+      temporary: true
+      reason: not support yet # TODO: [ESP32S31] IDF-14929
   depends_components:
     - esp_eth
     - esp_wifi
diff --git a/examples/network/eth2ap/README.md b/examples/network/eth2ap/README.md
index a184939bb0d..a2e7c4e0b47 100644
--- a/examples/network/eth2ap/README.md
+++ b/examples/network/eth2ap/README.md
@@ -1,5 +1,5 @@
-| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-S2 | ESP32-S3 | ESP32-S31 |
-| ----------------- | ----- | -------- | -------- | -------- | -------- | --------- | -------- | -------- | --------- |
+| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-S2 | ESP32-S3 |
+| ----------------- | ----- | -------- | -------- | -------- | -------- | --------- | -------- | -------- |
 
 # eth2ap Example
 (See the README.md file in the upper level 'examples' directory for more information about examples. To try a more complex application about Ethernet to WiFi data forwarding, please go to [iot-solution](https://github.com/espressif/esp-iot-solution/tree/release/v1.0/examples/eth2wifi).)
diff --git a/examples/network/sta2eth/README.md b/examples/network/sta2eth/README.md
index 42871e79349..96e3437aa41 100644
--- a/examples/network/sta2eth/README.md
+++ b/examples/network/sta2eth/README.md
@@ -1,5 +1,5 @@
-| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-S2 | ESP32-S3 | ESP32-S31 |
-| ----------------- | ----- | -------- | -------- | -------- | -------- | --------- | -------- | -------- | --------- |
+| Supported Targets | ESP32 | ESP32-C2 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-C61 | ESP32-S2 | ESP32-S3 |
+| ----------------- | ----- | -------- | -------- | -------- | -------- | --------- | -------- | -------- |
 
 # WiFi station to "Wired" interface L2 forwarder