diff --git a/app/(app)/stats/page.tsx b/app/(app)/stats/page.tsx
index 42ae19c..3be683b 100644
--- a/app/(app)/stats/page.tsx
+++ b/app/(app)/stats/page.tsx
@@ -1,5 +1,4 @@
 import type { Metadata } from "next";
-import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
 import { SessionsSummaryCards } from "@/components/stats/SessionsSummaryCards";
 import { DeviceUsageTable } from "@/components/stats/DeviceUsageTable";
 import { getDeviceCommandCounts, getDeviceUsageStats, getSessionsSummary } from "@/lib/db/queries/stats";
@@ -24,18 +23,8 @@ export default async function StatsPage() {
         <p className="text-sm text-muted-foreground">Usage across sessions and devices.</p>
       </div>
 
-      <Tabs defaultValue="sessions">
-        <TabsList className="bp-glass">
-          <TabsTrigger value="sessions">Sessions</TabsTrigger>
-          <TabsTrigger value="devices">Devices</TabsTrigger>
-        </TabsList>
-        <TabsContent value="sessions" className="pt-4">
-          <SessionsSummaryCards summary={sessionsSummary} />
-        </TabsContent>
-        <TabsContent value="devices" className="pt-4">
-          <DeviceUsageTable devices={devices} />
-        </TabsContent>
-      </Tabs>
+      <SessionsSummaryCards summary={sessionsSummary} />
+      <DeviceUsageTable devices={devices} />
     </div>
   );
 }
diff --git a/components/stats/SessionsSummaryCards.tsx b/components/stats/SessionsSummaryCards.tsx
index 464a73a..4014819 100644
--- a/components/stats/SessionsSummaryCards.tsx
+++ b/components/stats/SessionsSummaryCards.tsx
@@ -5,7 +5,6 @@ export interface SessionsSummary {
   totalDurationMs: number;
   avgDurationMs: number;
   totalReplays: number;
-  durationPerDevice: { deviceId: number; displayName: string | null; bleName: string; totalActiveMs: number }[];
 }
 
 function formatHours(ms: number): string {
@@ -18,50 +17,33 @@ function formatReplays(count: number): string {
 
 export function SessionsSummaryCards({ summary }: { summary: SessionsSummary }) {
   return (
-    <div className="flex flex-col gap-4">
-      <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-4">
-        <Card className="bp-glass">
-          <CardHeader>
-            <CardTitle className="text-sm text-muted-foreground">Completed sessions</CardTitle>
-          </CardHeader>
-          <CardContent className="bp-readout text-3xl">{summary.count}</CardContent>
-        </Card>
-        <Card className="bp-glass">
-          <CardHeader>
-            <CardTitle className="text-sm text-muted-foreground">Total time</CardTitle>
-          </CardHeader>
-          <CardContent className="bp-readout text-3xl">{formatHours(summary.totalDurationMs)}</CardContent>
-        </Card>
-        <Card className="bp-glass">
-          <CardHeader>
-            <CardTitle className="text-sm text-muted-foreground">Avg session length</CardTitle>
-          </CardHeader>
-          <CardContent className="bp-readout text-3xl">
-            {Math.round(summary.avgDurationMs / 60_000)}m
-          </CardContent>
-        </Card>
-        <Card className="bp-glass">
-          <CardHeader>
-            <CardTitle className="text-sm text-muted-foreground">Replays</CardTitle>
-          </CardHeader>
-          <CardContent className="bp-readout text-3xl">{formatReplays(summary.totalReplays)}</CardContent>
-        </Card>
-      </div>
-      {summary.durationPerDevice.length > 0 && (
-        <Card className="bp-glass">
-          <CardHeader>
-            <CardTitle className="text-base">Duration per device</CardTitle>
-          </CardHeader>
-          <CardContent className="flex flex-col gap-2">
-            {summary.durationPerDevice.map((d) => (
-              <div key={d.deviceId} className="flex items-center justify-between text-sm">
-                <span>{d.displayName ?? d.bleName}</span>
-                <span className="text-muted-foreground">{formatHours(d.totalActiveMs)}</span>
-              </div>
-            ))}
-          </CardContent>
-        </Card>
-      )}
+    <div className="grid gap-4 sm:grid-cols-2 lg:grid-cols-4">
+      <Card className="bp-glass">
+        <CardHeader>
+          <CardTitle className="text-sm text-muted-foreground">Completed sessions</CardTitle>
+        </CardHeader>
+        <CardContent className="bp-readout text-3xl">{summary.count}</CardContent>
+      </Card>
+      <Card className="bp-glass">
+        <CardHeader>
+          <CardTitle className="text-sm text-muted-foreground">Total time</CardTitle>
+        </CardHeader>
+        <CardContent className="bp-readout text-3xl">{formatHours(summary.totalDurationMs)}</CardContent>
+      </Card>
+      <Card className="bp-glass">
+        <CardHeader>
+          <CardTitle className="text-sm text-muted-foreground">Avg session length</CardTitle>
+        </CardHeader>
+        <CardContent className="bp-readout text-3xl">
+          {Math.round(summary.avgDurationMs / 60_000)}m
+        </CardContent>
+      </Card>
+      <Card className="bp-glass">
+        <CardHeader>
+          <CardTitle className="text-sm text-muted-foreground">Replays</CardTitle>
+        </CardHeader>
+        <CardContent className="bp-readout text-3xl">{formatReplays(summary.totalReplays)}</CardContent>
+      </Card>
     </div>
   );
 }
diff --git a/lib/db/queries/stats.ts b/lib/db/queries/stats.ts
index ef36fa9..87ad246 100644
--- a/lib/db/queries/stats.ts
+++ b/lib/db/queries/stats.ts
@@ -15,18 +15,7 @@ export async function getSessionsSummary() {
     .from(sessions)
     .where(eq(sessions.status, "completed"));
 
-  const durationPerDevice = await db
-    .select({
-      deviceId: devices.id,
-      displayName: devices.displayName,
-      bleName: devices.bleName,
-      totalActiveMs: sql<number>`coalesce(sum(coalesce(${sessionDevices.disconnectedAt}, ${sessionDevices.connectedAt}) - ${sessionDevices.connectedAt}), 0)`,
-    })
-    .from(sessionDevices)
-    .innerJoin(devices, eq(sessionDevices.deviceId, devices.id))
-    .groupBy(devices.id);
-
-  return { ...totals, durationPerDevice };
+  return totals;
 }
 
 export async function getSessionTimeline(sessionId: number, bucketMs = 1000) {