diff --git a/packages/components/src/lib/tableProvider.ts b/packages/components/src/lib/tableProvider.ts
index c01a928a..417be0a2 100644
--- a/packages/components/src/lib/tableProvider.ts
+++ b/packages/components/src/lib/tableProvider.ts
@@ -14,7 +14,6 @@ export function parquetDataFrame(from: AsyncBufferFromUrl, metadata: FileMetaDat
   const sortCache = new Map<string, Promise<number[]>>()
   const data = new Array<ResolvableRow>(Number(metadata.num_rows))
   /// ^ warning: the type is a lie at that point, because all rows are undefined for now
-  /// TODO(SL): improve the type safety
   const groups = new Array(metadata.row_groups.length).fill(false)
   let groupStart = 0
   const groupEnds = metadata.row_groups.map(group => groupStart += Number(group.num_rows))
diff --git a/packages/components/src/workers/parquetWorkerClient.ts b/packages/components/src/workers/parquetWorkerClient.ts
index e0a42ab4..cfb3ef0f 100644
--- a/packages/components/src/workers/parquetWorkerClient.ts
+++ b/packages/components/src/workers/parquetWorkerClient.ts
@@ -27,10 +27,10 @@ function getWorker() {
     worker.onmessage = ({ data }: { data: ParquetMessage | SortParquetMessage }) => {
       const pendingQueryAgent = pending.get(data.queryId)
       if (!pendingQueryAgent) {
-        throw new Error(
+        console.warn(
           `Unexpected: no pending promise found for queryId: ${data.queryId.toString()}`,
         )
-        // TODO(SL): should never happen. But if it does, I'm not sure if throwing an error here helps.
+        return
       }
       if (pendingQueryAgent.kind === 'query') {
         const { resolve, reject, onChunk } = pendingQueryAgent
diff --git a/src/app.js b/src/app.js
index 9927804d..6c8c634a 100644
--- a/src/app.js
+++ b/src/app.js
@@ -5,6 +5,5 @@ import ReactDOM from 'react-dom/client'
 const app = document.getElementById('app')
 if (!app) throw new Error('missing app element')
 
-// @ts-expect-error TODO: fix react createRoot type
-const root = ReactDOM.createRoot(document.getElementById('app'))
+const root = ReactDOM.createRoot(app)
 root.render(React.createElement(App))