diff --git a/toc/toc.yaml b/docs-devsite/_toc.yaml
similarity index 98%
rename from toc/toc.yaml
rename to docs-devsite/_toc.yaml
index d6d5ff4a185..43ec97cda56 100644
--- a/toc/toc.yaml
+++ b/docs-devsite/_toc.yaml
@@ -472,8 +472,6 @@ toc:
         path: /docs/reference/js/vertexai-preview.date_2.md
       - title: EnhancedGenerateContentResponse
         path: /docs/reference/js/vertexai-preview.enhancedgeneratecontentresponse.md
-      - title: ErrorDetails
-        path: /docs/reference/js/vertexai-preview.errordetails.md
       - title: FileData
         path: /docs/reference/js/vertexai-preview.filedata.md
       - title: FileDataPart
@@ -517,8 +515,6 @@ toc:
         path: /docs/reference/js/vertexai-preview.groundingattribution.md
       - title: GroundingMetadata
         path: /docs/reference/js/vertexai-preview.groundingmetadata.md
-      - title: HTTPErrorDetails
-        path: /docs/reference/js/vertexai-preview.httperrordetails.md
       - title: InlineDataPart
         path: /docs/reference/js/vertexai-preview.inlinedatapart.md
       - title: ModelParams
@@ -545,8 +541,6 @@ toc:
         path: /docs/reference/js/vertexai-preview.usagemetadata.md
       - title: VertexAI
         path: /docs/reference/js/vertexai-preview.vertexai.md
-      - title: VertexAIError
-        path: /docs/reference/js/vertexai-preview.vertexaierror.md
       - title: VertexAIOptions
         path: /docs/reference/js/vertexai-preview.vertexaioptions.md
       - title: VideoMetadata
diff --git a/scripts/docgen/docgen.ts b/scripts/docgen/docgen.ts
index 314e42a7cfc..4103558e334 100644
--- a/scripts/docgen/docgen.ts
+++ b/scripts/docgen/docgen.ts
@@ -152,12 +152,23 @@ async function generateToc() {
         'toc',
         '--input',
         'temp',
+        '--output',
+        'docs-devsite',
         '-p',
         '/docs/reference/js',
         '-j'
       ],
       { stdio: 'inherit' }
     );
+    // The toc on the devsite must be named _toc.yaml
+    await spawn(
+      'mv',
+      [
+        'docs-devsite/toc.yaml',
+        'docs-devsite/_toc.yaml'
+      ],
+      { stdio: 'inherit' }
+    );
   } finally {
     cleanup();
   }