diff --git a/samples/net/paho_mqtt_clients/subscriber/prj_galileo.conf b/samples/net/paho_mqtt_clients/subscriber/prj_galileo.conf
index 0026230b493..1338e876c88 100644
--- a/samples/net/paho_mqtt_clients/subscriber/prj_galileo.conf
+++ b/samples/net/paho_mqtt_clients/subscriber/prj_galileo.conf
@@ -9,11 +9,9 @@ CONFIG_NETWORKING_WITH_TCP=y
 CONFIG_NETWORKING_WITH_IPV4=y
 CONFIG_NETWORKING_IPV6_NO_ND=y
 
-CONFIG_IP_BUF_RX_SIZE=4
+CONFIG_IP_BUF_RX_SIZE=16
 CONFIG_IP_BUF_TX_SIZE=4
 
-CONFIG_NETZ=y
-
 # Uncomment the following variables for debugging
 
 #CONFIG_NETWORKING_WITH_LOGGING=y
diff --git a/samples/net/paho_mqtt_clients/subscriber/src/main.c b/samples/net/paho_mqtt_clients/subscriber/src/main.c
index 8507392783b..c719d25a1bb 100644
--- a/samples/net/paho_mqtt_clients/subscriber/src/main.c
+++ b/samples/net/paho_mqtt_clients/subscriber/src/main.c
@@ -100,10 +100,6 @@ void fiber(void)
 	do {
 		printf("\n--------------------------------\n");
 
-		rc = mqtt_pingreq(&app_ctx);
-		printf("Pingreq, rc: %s\n", RC_STR(rc));
-		fiber_sleep(SLEEP_TIME);
-
 		mqtt_read(&app_ctx);
 		fiber_sleep(SLEEP_TIME);