diff --git a/Sming/Libraries/OtaUpgradeMqtt/samples/Upgrade/component.mk b/Sming/Libraries/OtaUpgradeMqtt/samples/Upgrade/component.mk
index b396b06b89..c6bf59b987 100644
--- a/Sming/Libraries/OtaUpgradeMqtt/samples/Upgrade/component.mk
+++ b/Sming/Libraries/OtaUpgradeMqtt/samples/Upgrade/component.mk
@@ -49,7 +49,7 @@ COMPONENT_DEPENDS := OtaUpgradeMqtt
 RBOOT_ENABLED := 1
 
 ## Use standard hardware config with two ROM slots and two SPIFFS partitions
-HWCONFIG := ota
+HWCONFIG := spiffs-two-roms
 
 APP_CFLAGS = -DMQTT_URL="\"$(MQTT_URL)"\"                \
 			 -DMQTT_FINGERPRINT_SHA1=$(MQTT_FINGERPRINT_SHA1)   \
diff --git a/Sming/Libraries/OtaUpgradeMqtt/samples/Upgrade/ota.hw b/Sming/Libraries/OtaUpgradeMqtt/samples/Upgrade/ota.hw
deleted file mode 100644
index c5d71daa72..0000000000
--- a/Sming/Libraries/OtaUpgradeMqtt/samples/Upgrade/ota.hw
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-	"base_config": "spiffs-two-roms",
-	"partitions": {
-		"rom0": {
-			"subtype": "ota_0"
-		},
-		"rom1": {
-			"subtype": "ota_1"
-		}
-	}
-}
\ No newline at end of file
diff --git a/samples/Basic_Ota/ota.hw b/samples/Basic_Ota/ota.hw
index ed59f038c9..c9f0e9307e 100644
--- a/samples/Basic_Ota/ota.hw
+++ b/samples/Basic_Ota/ota.hw
@@ -2,12 +2,6 @@
 	"name": "Basic OTA sample",
 	"base_config": "spiffs-two-roms",
 	"partitions": {
-		"rom0": {
-			"subtype": "ota_0"
-		},
-		"rom1": {
-			"subtype": "ota_1"
-		},
 		"spiffs0": {
 			"size": "512K"
 		},