diff --git a/browser_tests/assets/viewport/default-viewport-saved-offscreen.json b/browser_tests/assets/viewport/default-viewport-saved-offscreen.json
index 69493e057a..9c785256a6 100644
--- a/browser_tests/assets/viewport/default-viewport-saved-offscreen.json
+++ b/browser_tests/assets/viewport/default-viewport-saved-offscreen.json
@@ -36,14 +36,7 @@
       "properties": {
         "Node name for S&R": "CheckpointLoaderSimple",
         "cnr_id": "comfy-core",
-        "ver": "0.3.65",
-        "models": [
-          {
-            "name": "v1-5-pruned-emaonly-fp16.safetensors",
-            "url": "https://huggingface.co/Comfy-Org/stable-diffusion-v1-5-archive/resolve/main/v1-5-pruned-emaonly-fp16.safetensors?download=true",
-            "directory": "checkpoints"
-          }
-        ]
+        "ver": "0.3.65"
       },
       "widgets_values": ["v1-5-pruned-emaonly-fp16.safetensors"]
     },
diff --git a/browser_tests/fixtures/ComfyPage.ts b/browser_tests/fixtures/ComfyPage.ts
index f0eaf29c6f..39393d2bbf 100644
--- a/browser_tests/fixtures/ComfyPage.ts
+++ b/browser_tests/fixtures/ComfyPage.ts
@@ -432,7 +432,10 @@ export const comfyPageFixture = base.extend<{
         'Comfy.VueNodes.AutoScaleLayout': false,
         // Disable toast warning about version compatibility, as they may or
         // may not appear - depending on upstream ComfyUI dependencies
-        'Comfy.VersionCompatibility.DisableWarnings': true
+        'Comfy.VersionCompatibility.DisableWarnings': true,
+        // Browser tests should opt into missing-model warnings explicitly so
+        // workflows do not render differently based on models present on disk.
+        'Comfy.Workflow.ShowMissingModelsWarning': false
       })
     } catch (e) {
       console.error(e)
diff --git a/browser_tests/tests/dialog.spec.ts b/browser_tests/tests/dialog.spec.ts
index bf2de274b7..93af2ea673 100644
--- a/browser_tests/tests/dialog.spec.ts
+++ b/browser_tests/tests/dialog.spec.ts
@@ -89,6 +89,17 @@ test.describe('Execution error', () => {
 })
 
 test.describe('Missing models warning', () => {
+  test('Should be disabled by default in browser tests', async ({
+    comfyPage
+  }) => {
+    await comfyPage.workflow.loadWorkflow('missing/missing_models')
+
+    const dialogTitle = comfyPage.page.getByText(
+      'This workflow is missing models'
+    )
+    await expect(dialogTitle).not.toBeVisible()
+  })
+
   test.beforeEach(async ({ comfyPage }) => {
     await comfyPage.settings.setSetting(
       'Comfy.Workflow.ShowMissingModelsWarning',
diff --git a/browser_tests/tests/viewport.spec.ts-snapshots/viewport-fits-when-saved-offscreen-chromium-linux.png b/browser_tests/tests/viewport.spec.ts-snapshots/viewport-fits-when-saved-offscreen-chromium-linux.png
index 4a5099db59..7215801e5e 100644
Binary files a/browser_tests/tests/viewport.spec.ts-snapshots/viewport-fits-when-saved-offscreen-chromium-linux.png and b/browser_tests/tests/viewport.spec.ts-snapshots/viewport-fits-when-saved-offscreen-chromium-linux.png differ