diff --git a/succbone/succd/index.html b/succbone/succd/index.html
index 6be0c1d..a26db5d 100644
--- a/succbone/succd/index.html
+++ b/succbone/succd/index.html
@@ -5,11 +5,12 @@
 <link rel="shortcut icon" type="image/png" href="/favicon.png">
 <style>
 body {
-    font-size: 12px;
+    font-size: 14px;
     padding: 2em;
 }
 table {
     font-size: 40px;
+    margin-top: 1em;
 }
 table.status td {
     width: 2em;
@@ -51,16 +52,6 @@ td > span {
 .logo > img {
     height: 10em;
 }
-
-.main-grid {
-    margin: 2em;
-    clear: both;
-
-    display: grid;
-    grid-template-columns: repeat(auto-fit, minmax(50em, 1fr));
-    column-gap: 2em;
-    row-gap: 2em;
-}
 </style>
 
 <div class="logo"><img src="/favicon.png" /></div>
@@ -68,7 +59,19 @@ td > span {
 <h1>succd</h1>
 <h2>nothing more permanent than a temporary solution</h2>
 
-<div class="main-grid">
+<p style="margin-top: 2em; clear: both;">
+    <table>
+        <tr>
+            <th rowspan="2">Pirani Gauge</th>
+            <th>Voltage</th>
+            <td id="volts">{{ .Pirani.Volts }}</td>
+        </tr>
+        <tr>
+            <th>Pressure</th>
+            <td id="mbar">{{ .Pirani.Mbar }}</td>
+        </tr>
+    </table>
+
     <table class="status">
         <tr>
             <th>Thresholds</th>
@@ -93,19 +96,6 @@ td > span {
         </tr>
     </table>
 
-    <table>
-        <tr>
-            <th rowspan="2">Pirani Gauge</th>
-            <th>Voltage</th>
-            <td id="volts">{{ .Pirani.Volts }}</td>
-        </tr>
-        <tr>
-            <th>Pressure</th>
-            <td id="mbar">{{ .Pirani.Mbar }}</td>
-        </tr>
-    </table>
-
-
     <table>
         <tr>
             <th rowspan="3">Control</th>
@@ -132,14 +122,13 @@ td > span {
             <th>Status</th>
             <td id="status" colspan="1">OK</td>
             <th>Load</th>
-            <td id="load" colspan="1" style="width: 4em;">...</td>
+            <td id="load" colspan="1">...</td>
         </tr>
     </table>
-
-    <p>
-        <canvas id="graph" width="1024" height="512" style="max-width: 100%;"></canvas>
-    </p>
-</div>
+</p>
+<p style="margin-top: 2em;">
+    <canvas id="graph" width="1024" height="512" style="max-width: 100%;"></canvas>
+</p>
 
 <p style="font-style: italic; font-size: 12px; margin-top: 5em;">
     {{ .System.Hostname }} | load: {{ .System.Load }} | <a href="/debug/pprof">pprof</a> | <a href="/metrics">metrics</a> | ws ping: <span id="ping">…</span>
diff --git a/succbone/succd/main.go b/succbone/succd/main.go
index 4a39d11..23427b6 100644
--- a/succbone/succd/main.go
+++ b/succbone/succd/main.go
@@ -11,21 +11,17 @@ import (
 )
 
 var (
-	flagFake                             bool
-	flagListenHTTP                       string
-	flagPressureThresholdRough           = ScientificNotationValue(1e-1)
-	flagPressureThresholdRoughHysteresis = ScientificNotationValue(2e-2)
-	flagPressureThresholdHigh            = ScientificNotationValue(1e-4)
-	flagPressureThresholdHighHysteresis  = ScientificNotationValue(2e-5)
+	flagFake                   bool
+	flagListenHTTP             string
+	flagPressureThresholdRough = ScientificNotationValue(1e-1)
+	flagPressureThresholdHigh  = ScientificNotationValue(1e-4)
 )
 
 func main() {
 	flag.BoolVar(&flagFake, "fake", false, "Enable fake mode which allows to run succd for tests outside the succbone")
 	flag.StringVar(&flagListenHTTP, "listen_http", ":8080", "Address at which to listen for HTTP requests")
 	flag.TextVar(&flagPressureThresholdRough, "pressure_threshold_rough", &flagPressureThresholdRough, "Threshold for opening up diffusion pump (mbar)")
-	flag.TextVar(&flagPressureThresholdRoughHysteresis, "pressure_threshold_rough_hysteresis", &flagPressureThresholdRoughHysteresis, "+-Hysteresis for rough threshold (mbar)")
 	flag.TextVar(&flagPressureThresholdHigh, "pressure_threshold_high", &flagPressureThresholdHigh, "Threshold for enabling high voltage circuits (mbar)")
-	flag.TextVar(&flagPressureThresholdHighHysteresis, "pressure_threshold_high_hysteresis", &flagPressureThresholdHighHysteresis, "+-Hysteresis for high threshold (mbar)")
 	flag.Parse()
 
 	ctx, _ := signal.NotifyContext(context.Background(), os.Interrupt)
@@ -36,9 +32,7 @@ func main() {
 	d.daemonState.piraniVolts100.limit = 100
 
 	d.aboveRough.threshold = float64(flagPressureThresholdRough)
-	d.aboveRough.hysteresis = float64(flagPressureThresholdRoughHysteresis)
 	d.aboveHigh.threshold = float64(flagPressureThresholdHigh)
-	d.aboveHigh.hysteresis = float64(flagPressureThresholdHighHysteresis)
 	if flagFake {
 		klog.Infof("Starting with fake peripherals")
 		d.adcPirani = &fakeADC{}
diff --git a/succbone/succd/process_blocks.go b/succbone/succd/process_blocks.go
index ae1294d..0b37193 100644
--- a/succbone/succd/process_blocks.go
+++ b/succbone/succd/process_blocks.go
@@ -30,20 +30,13 @@ type thresholdOutput struct {
 	debounce time.Time
 	// threshold is the setpoint of the block.
 	threshold float64
-	// hysteresis around the process setpoint (min/max is threshold +- hysteresis)
-	hysteresis float64
 }
 
 func (t *thresholdOutput) process(value float64) {
 	if time.Now().Before(t.debounce) {
 		return
 	}
-	new := t.output
-	if t.output {
-		new = value > (t.threshold - t.hysteresis)
-	} else {
-		new = value > (t.threshold + t.hysteresis)
-	}
+	new := value > t.threshold
 	if new != t.output {
 		t.output = new
 		t.debounce = time.Now().Add(time.Second * 5)
diff --git a/succbone/succd/process_blocks_test.go b/succbone/succd/process_blocks_test.go
index 24b75f6..4dd028c 100644
--- a/succbone/succd/process_blocks_test.go
+++ b/succbone/succd/process_blocks_test.go
@@ -26,37 +26,20 @@ func TestMomentaryOutput(t *testing.T) {
 
 func TestThresholdOutput(t *testing.T) {
 	to := thresholdOutput{
-		threshold:  1,
-		hysteresis: 0.2,
+		threshold: 1,
 	}
-	to.process(0.7)
+	to.process(0)
 	if to.output {
 		t.Fatalf("output shouldn't have triggered")
 	}
-	to.process(1)
-	if to.output {
-		t.Fatalf("output shouldn't have triggered")
-	}
-	to.process(1.3)
+	to.process(2)
 	if !to.output {
 		t.Fatalf("output should have triggered")
 	}
-	to.process(1)
-	if !to.output {
-		t.Fatalf("output should have triggered")
-	}
-	to.process(0.7)
+	to.process(0)
 	if !to.output {
 		t.Fatalf("output should have triggered (in debounce)")
 	}
-
-	// let debounce timeout pass
-	time.Sleep(time.Second * 6)
-
-	to.process(0.7)
-	if to.output {
-		t.Fatalf("output shouldn't have triggered")
-	}
 }
 
 func TestRingbufferInput(t *testing.T) {