diff --git a/build-scripts/I2S-4MFlash-sdkconfig.defaults b/build-scripts/I2S-4MFlash-sdkconfig.defaults
index e4358543..31b5a4d7 100644
--- a/build-scripts/I2S-4MFlash-sdkconfig.defaults
+++ b/build-scripts/I2S-4MFlash-sdkconfig.defaults
@@ -459,7 +459,7 @@ CONFIG_LWIP_SO_REUSE_RXTOALL=y
 # CONFIG_LWIP_IP_FRAG is not set
 # CONFIG_LWIP_STATS is not set
 # CONFIG_LWIP_ETHARP_TRUST_IP_MAC is not set
-CONFIG_LWIP_IP_REASSEMBLY=y
+#CONFIG_LWIP_IP_REASSEMBLY is not set
 CONFIG_LWIP_ESP_GRATUITOUS_ARP=y
 CONFIG_LWIP_GARP_TMR_INTERVAL=60
 CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=32
diff --git a/build-scripts/SqueezeAmp-sdkconfig.defaults b/build-scripts/SqueezeAmp-sdkconfig.defaults
index 3d2de8fd..2ec009a4 100644
--- a/build-scripts/SqueezeAmp-sdkconfig.defaults
+++ b/build-scripts/SqueezeAmp-sdkconfig.defaults
@@ -455,7 +455,7 @@ CONFIG_LWIP_MAX_SOCKETS=16
 # CONFIG_LWIP_USE_ONLY_LWIP_SELECT is not set
 CONFIG_LWIP_SO_REUSE=y
 CONFIG_LWIP_SO_REUSE_RXTOALL=y
-CONFIG_LWIP_IP_REASSEMBLY=y
+#CONFIG_LWIP_IP_REASSEMBLY is not set
 CONFIG_LWIP_ESP_GRATUITOUS_ARP=y
 CONFIG_LWIP_GARP_TMR_INTERVAL=60
 CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=32