diff --git a/src/main/target/BEEROTORF4/target.h b/src/main/target/BEEROTORF4/target.h
index 7fef249b0a..7413349c1b 100644
--- a/src/main/target/BEEROTORF4/target.h
+++ b/src/main/target/BEEROTORF4/target.h
@@ -143,7 +143,8 @@
 
 #define LED_STRIP
 
-#define TRANSPONDER
+// Disabled to make BEEROTORF4 build in 3.1.7
+//#define TRANSPONDER
 
 #define DEFAULT_FEATURES        ( FEATURE_BLACKBOX | FEATURE_SDCARD | FEATURE_TELEMETRY | FEATURE_OSD | FEATURE_AIRMODE )
 #define DEFAULT_RX_FEATURE      FEATURE_RX_SERIAL
diff --git a/src/main/target/KROOZX/config.c b/src/main/target/KROOZX/config.c
index 6dd1ecef56..58e89666cd 100755
--- a/src/main/target/KROOZX/config.c
+++ b/src/main/target/KROOZX/config.c
@@ -36,6 +36,7 @@ void targetConfiguration(master_t *config)
     config->batteryConfig.currentMeterOffset = CURRENT_OFFSET;
     config->barometerConfig.baro_hardware = 0;
     config->compassConfig.mag_hardware = 0;
-    config->osdConfig.item_pos[OSD_MAIN_BATT_VOLTAGE] = OSD_POS(12, 1) | VISIBLE_FLAG;
+// Disabled to make it build for 3.1.7
+//    config->osdConfig.item_pos[OSD_MAIN_BATT_VOLTAGE] = OSD_POS(12, 1) | VISIBLE_FLAG;
 }
 #endif
diff --git a/src/main/target/OMNIBUSF4/target.h b/src/main/target/OMNIBUSF4/target.h
index f8b6c1a494..b8666953a9 100644
--- a/src/main/target/OMNIBUSF4/target.h
+++ b/src/main/target/OMNIBUSF4/target.h
@@ -189,7 +189,6 @@
 #define SENSORS_SET (SENSOR_ACC)
 
 #define DEFAULT_RX_FEATURE      FEATURE_RX_SERIAL
-#define DEFAULT_FEATURES        (FEATURE_BLACKBOX | FEATURE_VBAT)
 
 #define AVOID_UART1_FOR_PWM_PPM
 #if defined(CL_RACINGF4)