diff --git a/Tools/AP_Periph/Parameters.cpp b/Tools/AP_Periph/Parameters.cpp
index 9ad8d55888..e94106691a 100644
--- a/Tools/AP_Periph/Parameters.cpp
+++ b/Tools/AP_Periph/Parameters.cpp
@@ -162,7 +162,6 @@ const AP_Param::Info AP_Periph_FW::var_info[] = {
     // @DisplayName: Rangefinder serial baudrate
     // @Description: Rangefinder serial baudrate.
     // @Values: 1:1200,2:2400,4:4800,9:9600,19:19200,38:38400,57:57600,111:111100,115:115200,230:230400,256:256000,460:460800,500:500000,921:921600,1500:1500000
-    // @Units: %
     // @Increment: 1
     // @User: Standard
     // @RebootRequired: True
@@ -188,7 +187,6 @@ const AP_Param::Info AP_Periph_FW::var_info[] = {
     // @DisplayName: ADSB serial baudrate
     // @Description: ADSB serial baudrate.
     // @Values: 1:1200,2:2400,4:4800,9:9600,19:19200,38:38400,57:57600,111:111100,115:115200,230:230400,256:256000,460:460800,500:500000,921:921600,1500:1500000
-    // @Units: %
     // @Increment: 1
     // @User: Standard
     // @RebootRequired: True