diff --git a/succbone/succd/process.go b/succbone/succd/process.go
index a9421a2..3f23af0 100644
--- a/succbone/succd/process.go
+++ b/succbone/succd/process.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"math"
 	"sync"
 	"time"
 
@@ -28,6 +29,74 @@ type daemon struct {
 	daemonState
 }
 
+// daemonState contains all the state of the daemon. A copy of it can be
+// requested for consumers, eg. the web view.
+type daemonState struct {
+	safety struct {
+		// failsafe mode is enabled when the pirani gauge appears to be
+		// disconnected, and is disabled only when an atmosphere is read.
+		failsafe bool
+		// highPressure mode is enabled when the pressure reading is above 1e-1
+		// mbar, locking out the diffusion pump from being enabled.
+		highPressure bool
+	}
+
+	piraniVolts100 ringbufferInput
+	piraniVolts3   ringbufferInput
+
+	rpOn bool
+	dpOn bool
+
+	vent       momentaryOutput
+	pumpdown   momentaryOutput
+	aboveRough thresholdOutput
+	aboveHigh  thresholdOutput
+}
+
+type piraniDetection uint
+
+const (
+	// piraniDetectionUnknown means the system isn't yet sure whether the pirani
+	// gauge is connected.
+	piraniDetectionUnknown piraniDetection = iota
+	// piraniDetectionConnected means the system assumes the pirani gauge is
+	// connected.
+	piraniDetectionConnected = iota
+	// piraniDetectionDisconnected means the system assumes the pirani gauge is
+	// disconnected.
+	piraniDetectionDisconnected = iota
+)
+
+func piraniVoltsToMbar(v float32) float32 {
+	// Per Pirani probe docs.
+	bar := math.Pow(10.0, float64(v)-8.5)
+	return float32(bar * 1000.0)
+}
+
+// piraniDetection guesses whether the pirani gauge is connected.
+func (d *daemonState) piraniDetection() piraniDetection {
+	if !d.piraniVolts3.saturated() {
+		return piraniDetectionUnknown
+	}
+	mbar := piraniVoltsToMbar(d.piraniVolts3.avg)
+	if mbar < 4e-6 {
+		return piraniDetectionDisconnected
+	}
+	return piraniDetectionConnected
+}
+
+func (d *daemonState) pirani() (volts float32, mbar float32) {
+	volts = d.piraniVolts100.avg
+	mbar = piraniVoltsToMbar(volts)
+	return
+}
+
+func (d *daemonState) vacuumStatus() (rough, high bool) {
+	rough = !d.aboveRough.output
+	high = !d.aboveHigh.output
+	return
+}
+
 // process runs the pain acquisition and control loop of succd.
 func (d *daemon) process(ctx context.Context) {
 	ticker := time.NewTicker(time.Millisecond * 100)
diff --git a/succbone/succd/process_state.go b/succbone/succd/process_state.go
deleted file mode 100644
index c7ab5eb..0000000
--- a/succbone/succd/process_state.go
+++ /dev/null
@@ -1,73 +0,0 @@
-package main
-
-import "math"
-
-// daemonState contains all the state of the daemon. A copy of it can be
-// requested for consumers, eg. the web view.
-type daemonState struct {
-	safety safetyStatus
-
-	piraniVolts100 ringbufferInput
-	piraniVolts3   ringbufferInput
-
-	rpOn bool
-	dpOn bool
-
-	vent       momentaryOutput
-	pumpdown   momentaryOutput
-	aboveRough thresholdOutput
-	aboveHigh  thresholdOutput
-}
-
-type safetyStatus struct {
-	// failsafe mode is enabled when the pirani gauge appears to be
-	// disconnected, and is disabled only when an atmosphere is read.
-	failsafe bool
-	// highPressure mode is enabled when the pressure reading is above 1e-1
-	// mbar, locking out the diffusion pump from being enabled.
-	highPressure bool
-}
-
-type piraniDetection uint
-
-const (
-	// piraniDetectionUnknown means the system isn't yet sure whether the pirani
-	// gauge is connected.
-	piraniDetectionUnknown piraniDetection = iota
-	// piraniDetectionConnected means the system assumes the pirani gauge is
-	// connected.
-	piraniDetectionConnected = iota
-	// piraniDetectionDisconnected means the system assumes the pirani gauge is
-	// disconnected.
-	piraniDetectionDisconnected = iota
-)
-
-func piraniVoltsToMbar(v float32) float32 {
-	// Per Pirani probe docs.
-	bar := math.Pow(10.0, float64(v)-8.5)
-	return float32(bar * 1000.0)
-}
-
-// piraniDetection guesses whether the pirani gauge is connected.
-func (d *daemonState) piraniDetection() piraniDetection {
-	if !d.piraniVolts3.saturated() {
-		return piraniDetectionUnknown
-	}
-	mbar := piraniVoltsToMbar(d.piraniVolts3.avg)
-	if mbar < 4e-6 {
-		return piraniDetectionDisconnected
-	}
-	return piraniDetectionConnected
-}
-
-func (d *daemonState) pirani() (volts float32, mbar float32) {
-	volts = d.piraniVolts100.avg
-	mbar = piraniVoltsToMbar(volts)
-	return
-}
-
-func (d *daemonState) vacuumStatus() (rough, high bool) {
-	rough = !d.aboveRough.output
-	high = !d.aboveHigh.output
-	return
-}