diff --git a/backend/src/graph.rs b/backend/src/graph.rs
index 1507447..d85d794 100644
--- a/backend/src/graph.rs
+++ b/backend/src/graph.rs
@@ -86,7 +86,7 @@ pub struct Intersection {
 
 impl Graph {
     /// Returns a GeoJSON string. Just shows the full network and amenities
-    pub fn render(&self) -> Result<String> {
+    pub fn render_debug(&self) -> Result<String> {
         let mut features = Vec::new();
 
         for r in &self.roads {
diff --git a/backend/src/lib.rs b/backend/src/lib.rs
index f364216..e34e3be 100644
--- a/backend/src/lib.rs
+++ b/backend/src/lib.rs
@@ -54,9 +54,9 @@ impl MapModel {
     }
 
     /// Returns a GeoJSON string. Just shows the full network
-    #[wasm_bindgen()]
-    pub fn render(&self) -> Result<String, JsValue> {
-        self.graph.render().map_err(err_to_js)
+    #[wasm_bindgen(js_name = renderDebug)]
+    pub fn render_debug(&self) -> Result<String, JsValue> {
+        self.graph.render_debug().map_err(err_to_js)
     }
 
     /// Return a polygon covering the world, minus a hole for the boundary, in WGS84
diff --git a/web/src/DebugMode.svelte b/web/src/DebugMode.svelte
index c4d103d..892a309 100644
--- a/web/src/DebugMode.svelte
+++ b/web/src/DebugMode.svelte
@@ -15,7 +15,7 @@
 
   let gj: FeatureCollection | null = null;
   onMount(async () => {
-    gj = await $backend!.render();
+    gj = await $backend!.renderDebug();
   });
 </script>
 
diff --git a/web/src/IsochroneMode.svelte b/web/src/IsochroneMode.svelte
index 8ecb292..4c9d972 100644
--- a/web/src/IsochroneMode.svelte
+++ b/web/src/IsochroneMode.svelte
@@ -6,9 +6,9 @@
   import type { FeatureCollection } from "geojson";
   import { GeoJSON, FillLayer, LineLayer, Marker } from "svelte-maplibre";
   import { SplitComponent } from "svelte-utils/two_column_layout";
-  import { mode, backend, type TravelMode, filterForMode } from "./stores";
+  import { mode, backend, type TravelMode } from "./stores";
   import PickTravelMode from "./PickTravelMode.svelte";
-  import { SequentialLegend, notNull } from "svelte-utils";
+  import { SequentialLegend } from "svelte-utils";
   import { Popup, makeColorRamp, isLine, isPolygon } from "svelte-utils/map";
   import { onMount } from "svelte";
 
@@ -110,19 +110,6 @@
     {/if}
   </div>
   <div slot="map">
-    {#await notNull($backend).render() then data}
-      <GeoJSON {data}>
-        <LineLayer
-          id="network"
-          paint={{
-            "line-width": 5,
-            "line-color": "black",
-            "line-opacity": ["case", filterForMode(travelMode), 1, 0.5],
-          }}
-        />
-      </GeoJSON>
-    {/await}
-
     {#if start}
       <Marker bind:lngLat={start} draggable><span class="dot">X</span></Marker>
     {/if}
diff --git a/web/src/RouteMode.svelte b/web/src/RouteMode.svelte
index a7364c1..8446c04 100644
--- a/web/src/RouteMode.svelte
+++ b/web/src/RouteMode.svelte
@@ -2,9 +2,8 @@
   import type { MapMouseEvent } from "maplibre-gl";
   import { MapEvents, GeoJSON, LineLayer, Marker } from "svelte-maplibre";
   import { SplitComponent } from "svelte-utils/two_column_layout";
-  import { mode, backend, type TravelMode, filterForMode } from "./stores";
+  import { mode, backend, type TravelMode } from "./stores";
   import PickTravelMode from "./PickTravelMode.svelte";
-  import { notNull } from "svelte-utils";
   import { constructMatchExpression } from "svelte-utils/map";
   import { onMount } from "svelte";
   import type { FeatureCollection } from "geojson";
@@ -79,19 +78,6 @@
   <div slot="map">
     <MapEvents on:contextmenu={onRightClick} />
 
-    {#await notNull($backend).render() then data}
-      <GeoJSON {data}>
-        <LineLayer
-          id="network"
-          paint={{
-            "line-width": 5,
-            "line-color": "black",
-            "line-opacity": ["case", filterForMode(travelMode), 1, 0.5],
-          }}
-        />
-      </GeoJSON>
-    {/await}
-
     {#if start}
       <Marker bind:lngLat={start} draggable><span class="dot">A</span></Marker>
     {/if}
diff --git a/web/src/worker.ts b/web/src/worker.ts
index 7f58d7b..fd57316 100644
--- a/web/src/worker.ts
+++ b/web/src/worker.ts
@@ -54,12 +54,12 @@ export class Backend {
     return JSON.parse(this.inner.getInvertedBoundary());
   }
 
-  render(): FeatureCollection {
+  renderDebug(): FeatureCollection {
     if (!this.inner) {
       throw new Error("Backend used without a file loaded");
     }
 
-    return JSON.parse(this.inner.render());
+    return JSON.parse(this.inner.renderDebug());
   }
 
   isochrone(req: {