diff --git a/libraries/SITL/examples/SilentWings/Params/Rolladen-Schneider-LS8b.param b/libraries/SITL/examples/SilentWings/Params/Rolladen-Schneider-LS8b.param
index 4ec635485a..9262165c95 100644
--- a/libraries/SITL/examples/SilentWings/Params/Rolladen-Schneider-LS8b.param
+++ b/libraries/SITL/examples/SilentWings/Params/Rolladen-Schneider-LS8b.param
@@ -493,15 +493,6 @@ RNGFND2_SCALING,3
 RNGFND2_SETTLE,0
 RNGFND2_STOP_PIN,-1
 RNGFND2_TYPE,0
-RPM_MAX,100000
-RPM_MIN,10
-RPM_MIN_QUAL,0.5
-RPM_PIN,54
-RPM_SCALING,1
-RPM_TYPE,0
-RPM2_PIN,-1
-RPM2_SCALING,1
-RPM2_TYPE,0
 RSSI_TYPE,0
 RST_MISSION_CH,0
 RST_SWITCH_CH,0
diff --git a/libraries/SITL/examples/SilentWings/Params/Schleicher-ASW27B.param b/libraries/SITL/examples/SilentWings/Params/Schleicher-ASW27B.param
index 7fae29e3bc..fc8bc11362 100644
--- a/libraries/SITL/examples/SilentWings/Params/Schleicher-ASW27B.param
+++ b/libraries/SITL/examples/SilentWings/Params/Schleicher-ASW27B.param
@@ -513,15 +513,6 @@ RNGFND2_SCALING,3
 RNGFND2_SETTLE,0
 RNGFND2_STOP_PIN,-1
 RNGFND2_TYPE,0
-RPM_MAX,100000
-RPM_MIN,10
-RPM_MIN_QUAL,0.5
-RPM_PIN,54
-RPM_SCALING,1
-RPM_TYPE,0
-RPM2_PIN,-1
-RPM2_SCALING,1
-RPM2_TYPE,0
 RSSI_TYPE,0
 RST_MISSION_CH,0
 RST_SWITCH_CH,0