diff --git a/succbone/succbone-din-mount.FCStd b/succbone/succbone-din-mount.FCStd
index 78adc9b..8deed3d 100644
--- a/succbone/succbone-din-mount.FCStd
+++ b/succbone/succbone-din-mount.FCStd
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:152cca5f14439f176994a97ab70fbf3eceed8fec340a59be8776ba1670043f3c
-size 1024525
+oid sha256:a7f941794ce7b2b521fc5a38d28bc91f028b66e155b0446b5b6fa73d57ae922c
+size 888650
diff --git a/succbone/succbone-din-mount.stl b/succbone/succbone-din-mount.stl
deleted file mode 100644
index e7a2796..0000000
--- a/succbone/succbone-din-mount.stl
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:dd72552b5685c0a42bf28f89a51ae0eb95d2f0a26644b1839d7f89614d462f7f
-size 2102184
diff --git a/succbone/succd/http.go b/succbone/succd/http.go
index 9a43281..a0ac21a 100644
--- a/succbone/succd/http.go
+++ b/succbone/succd/http.go
@@ -179,60 +179,16 @@ func (s *webServer) viewStream(w http.ResponseWriter, r *http.Request) {
 	}
 }
 
-func boolToFloat(b bool) float32 {
-	if b {
-		return 1.0
-	} else {
-		return 0.0
-	}
-}
-
 // httpMetrics serves minimalistic Prometheus-compatible metrics.
 func (s *webServer) viewMetrics(w http.ResponseWriter, r *http.Request) {
 	// TODO(q3k): also serve Go stuff using the actual Prometheus metrics client
 	// library.
 	// TODO(q3k): serve the rest of the data model
 	state := s.d.snapshot()
-
-	// sem_pressure_mbar is meant to represent the fused pressure value
-	// from all data sources once we have more vacuum sensors in the
-	// system.  sem_pirani_mbar is just the reading from the pirani gauge.
+	mbar := state.piraniMbar100.mbar
 	fmt.Fprintf(w, "# HELP sem_pressure_mbar Pressure in the SEM chamber, in millibar\n")
 	fmt.Fprintf(w, "# TYPE sem_pressure_mbar gauge\n")
-	fmt.Fprintf(w, "sem_pressure_mbar %f\n", state.piraniMbar100.mbar)
-
-	fmt.Fprintf(w, "# HELP sem_pirani_mbar Pressure reading by the Pirani gauge, in millibar\n")
-	fmt.Fprintf(w, "# TYPE sem_pirani_mbar gauge\n")
-	fmt.Fprintf(w, "sem_pirani_mbar %f\n", state.piraniMbar100.mbar)
-
-	fmt.Fprintf(w, "# HELP sem_pirani_volts Voltage output from the Pirani gauge, in volts\n")
-	fmt.Fprintf(w, "# TYPE sem_pirani_volts gauge\n")
-	fmt.Fprintf(w, "sem_pirani_volts %f\n", state.piraniVolts100.avg)
-
-	fmt.Fprintf(w, "# HELP sem_pirani_failsafe_active Whether pirani gauge failsafe mode is active (boolean)\n")
-	fmt.Fprintf(w, "# TYPE sem_pirani_failsafe_active gauge\n")
-	fmt.Fprintf(w, "sem_pirani_failsafe_active %f\n", boolToFloat(state.safety.failsafe))
-
-	fmt.Fprintf(w, "# HELP sem_dp_lockout_active Whether diffusion pump lockout is active (boolean)\n")
-	fmt.Fprintf(w, "# TYPE sem_dp_lockout_active gauge\n")
-	fmt.Fprintf(w, "sem_dp_lockout_active %f\n", boolToFloat(state.safety.highPressure))
-
-	fmt.Fprintf(w, "# HELP sem_pump_diffusion_running Whether the diffusion pump is running (boolean)\n")
-	fmt.Fprintf(w, "# TYPE sem_pump_diffusion_running gauge\n")
-	fmt.Fprintf(w, "sem_pump_diffusion_running %f\n", boolToFloat(state.dpOn))
-
-	fmt.Fprintf(w, "# HELP sem_pump_roughing_running Whether the roughing pump is running (boolean)\n")
-	fmt.Fprintf(w, "# TYPE sem_pump_roughing_running gauge\n")
-	fmt.Fprintf(w, "sem_pump_roughing_running %f\n", boolToFloat(state.rpOn))
-
-	rough, high := state.vacuumStatus()
-	fmt.Fprintf(w, "# HELP sem_vacuum_rough_reached Whether a rough vacuum has been reached (boolean)\n")
-	fmt.Fprintf(w, "# TYPE sem_vacuum_rough_reached gauge\n")
-	fmt.Fprintf(w, "sem_vacuum_rough_reached %f\n", boolToFloat(rough))
-
-	fmt.Fprintf(w, "# HELP sem_vacuum_high_reached Whether a high vacuum has been reached (boolean)\n")
-	fmt.Fprintf(w, "# TYPE sem_vacuum_high_reached gauge\n")
-	fmt.Fprintf(w, "sem_vacuum_high_reached %f\n", boolToFloat(high))
+	fmt.Fprintf(w, "sem_pressure_mbar %f\n", mbar)
 }
 
 func (s *webServer) viewRoughingPumpEnable(w http.ResponseWriter, r *http.Request) {