diff --git a/conf/autopilot/subsystems/fixedwing/airspeed_analog.makefile b/conf/autopilot/subsystems/fixedwing/airspeed_analog.makefile
deleted file mode 100644
index f3427ae744..0000000000
--- a/conf/autopilot/subsystems/fixedwing/airspeed_analog.makefile
+++ /dev/null
@@ -1,21 +0,0 @@
-# analog pitotube on ADC
-
-#  <section name="adc" prefix="ADC_CHANNEL_">
-#    <define name="AIRSPEED" value="ADC_5"/>
-#    <define name="AIRSPEED_NB_SAMPLES" value="16"/> 
-#  </section>
-
-#  <section name="AIRSPEED" prefix="AIRSPEED_">
-#    <define name="BIAS" value="(168.0f)"/>
-#    <define name="QUADRATIC_SCALE" value="1.2588f"/>
-#  </section>
-
-ifdef USE_AIRSPEED
-	$(TARGET).CFLAGS += -DUSE_AIRSPEED -DADC_CHANNEL_AIRSPEED_NB_SAMPLES=$(AIRSPEED_NB_SAMPLES)
-        $(TARGET).CFLAGS += -DADC_CHANNEL_AIRSPEED=$(USE_AIRSPEED) -DUSE_$(USE_AIRSPEED)
-	$(TARGET).srcs += airspeed.c
-else
-	ifdef MEASURE_AIRSPEED
-		$(TARGET).CFLAGS += -DMEASURE_AIRSPEED -DAGR_CLIMB 
-	endif
-endif
diff --git a/conf/autopilot/subsystems/fixedwing/airspeed_ets.makefile b/conf/autopilot/subsystems/fixedwing/airspeed_ets.makefile
deleted file mode 100644
index 97d3239d74..0000000000
--- a/conf/autopilot/subsystems/fixedwing/airspeed_ets.makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# EagleTree airspeed sensor
-ap.CFLAGS += -DUSE_AIRSPEED_ETS -DUSE_AIRSPEED -DUSE_I2C0
-ap.srcs += airspeed.c airspeed_ets.c i2c.c $(SRC_ARCH)/i2c_hw.c
-
-sim.CFLAGS += -DUSE_AIRSPEED_ETS -DUSE_AIRSPEED -DUSE_I2C0
-sim.srcs += airspeed.c airspeed_ets.c i2c.c $(SRC_ARCH)/i2c_hw.c
diff --git a/conf/autopilot/subsystems/fixedwing/baro_ets.makefile b/conf/autopilot/subsystems/fixedwing/baro_ets.makefile
deleted file mode 100644
index 898ab9c0b0..0000000000
--- a/conf/autopilot/subsystems/fixedwing/baro_ets.makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-# EagleTree barometric altitude sensor
-ap.CFLAGS += -DUSE_BARO_ETS -DUSE_I2C0
-ap.srcs += baro_ets.c i2c.c $(SRC_ARCH)/i2c_hw.c
-
-sim.CFLAGS += -DUSE_BARO_ETS -DUSE_I2C0
-sim.srcs += baro_ets.c i2c.c $(SRC_ARCH)/i2c_hw.c