diff --git a/libraries/AP_HAL_ChibiOS/hwdef/Ottano-LTail/defaults.parm b/libraries/AP_HAL_ChibiOS/hwdef/Ottano-LTail/defaults.parm
index 55348d4106..fea4def3c3 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/Ottano-LTail/defaults.parm
+++ b/libraries/AP_HAL_ChibiOS/hwdef/Ottano-LTail/defaults.parm
@@ -3,4 +3,3 @@ OUT1_FUNCTION 61 @READONLY
 OUT1_REVERSED 0 @READONLY
 OUT2_FUNCTION 57 @READONLY
 OUT2_REVERSED 0 @READONLY
-COMPASS_ENABLE 1 @READONLY
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/Ottano-RTail/defaults.parm b/libraries/AP_HAL_ChibiOS/hwdef/Ottano-RTail/defaults.parm
index 688e03fce6..e4bf6161c1 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/Ottano-RTail/defaults.parm
+++ b/libraries/AP_HAL_ChibiOS/hwdef/Ottano-RTail/defaults.parm
@@ -3,4 +3,3 @@ OUT1_FUNCTION 61 @READONLY
 OUT1_REVERSED 1 @READONLY
 OUT2_FUNCTION 57 @READONLY
 OUT2_REVERSED 0 @READONLY
-COMPASS_ENABLE 1 @READONLY
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/Volanti-LTail/defaults.parm b/libraries/AP_HAL_ChibiOS/hwdef/Volanti-LTail/defaults.parm
index 55348d4106..fea4def3c3 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/Volanti-LTail/defaults.parm
+++ b/libraries/AP_HAL_ChibiOS/hwdef/Volanti-LTail/defaults.parm
@@ -3,4 +3,3 @@ OUT1_FUNCTION 61 @READONLY
 OUT1_REVERSED 0 @READONLY
 OUT2_FUNCTION 57 @READONLY
 OUT2_REVERSED 0 @READONLY
-COMPASS_ENABLE 1 @READONLY
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/Volanti-LTail/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/Volanti-LTail/hwdef.dat
index f3f00b2f67..046195c6f3 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/Volanti-LTail/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/Volanti-LTail/hwdef.dat
@@ -6,7 +6,7 @@ undef HAL_PERIPH_ADSB_PORT_DEFAULT
 undef HAL_PERIPH_ADSB_BAUD_DEFAULT
 undef HAL_PERIPH_ENABLE_MAG
 
-define CAN_APP_NODE_NAME "CPN-17-Left-Tail"
+define CAN_APP_NODE_NAME "VOl-CPN-17-Left-Tail"
 
 # default ADSB off by setting 0 baudrate
 define HAL_PERIPH_ENABLE_ADSB
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/Volanti-RTail/defaults.parm b/libraries/AP_HAL_ChibiOS/hwdef/Volanti-RTail/defaults.parm
index 688e03fce6..e4bf6161c1 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/Volanti-RTail/defaults.parm
+++ b/libraries/AP_HAL_ChibiOS/hwdef/Volanti-RTail/defaults.parm
@@ -3,4 +3,3 @@ OUT1_FUNCTION 61 @READONLY
 OUT1_REVERSED 1 @READONLY
 OUT2_FUNCTION 57 @READONLY
 OUT2_REVERSED 0 @READONLY
-COMPASS_ENABLE 1 @READONLY