diff --git a/app/features/scanner-ingest/ScannerIngestRepository.server.ts b/app/features/scanner-ingest/ScannerIngestRepository.server.ts
index b293db6a9..e6f4f4085 100644
--- a/app/features/scanner-ingest/ScannerIngestRepository.server.ts
+++ b/app/features/scanner-ingest/ScannerIngestRepository.server.ts
@@ -108,7 +108,6 @@ export function sendouqGamesPlayedByUserSince(params: {
  * time: their team is in a match whose `startedAt` is close enough before
  * `at`. When several qualify (rare) the latest-started one wins.
  */
-// xxx: change it to more generic. user id + stage + mode + startedAt -> what scrim, sq, tournament if any?
 export async function tournamentIdAt({
 	userId,
 	at,
diff --git a/app/features/scanner-ingest/actions/scanner-ingest.server.ts b/app/features/scanner-ingest/actions/scanner-ingest.server.ts
index 006bfac50..1c3b69727 100644
--- a/app/features/scanner-ingest/actions/scanner-ingest.server.ts
+++ b/app/features/scanner-ingest/actions/scanner-ingest.server.ts
@@ -15,10 +15,6 @@ import {
 	ingestBodySchema,
 } from "../scanner-ingest-schemas";
 
-// xxx: dont only attach scoreboard on ingest, also when score is reported (for e.g. tournament stuff)
-// xxx: check why http://localhost:7001/to/4066/matches/139247?tab=result layout bad
-// xxx: check why http://localhost:7001/to/4066/matches/139247?tab=result first game not uploaded
-// xxx: this needs some thinking and documentation to cover all the cases that can be ingested
 export const action: ActionFunction = async ({ request }) => {
 	const user = requireUser();
 
diff --git a/app/features/scanner/capture/sampler.ts b/app/features/scanner/capture/sampler.ts
index eb4a35c9d..883891ddf 100644
--- a/app/features/scanner/capture/sampler.ts
+++ b/app/features/scanner/capture/sampler.ts
@@ -24,7 +24,7 @@ export async function listVideoInputs(): Promise<MediaDeviceInfo[]> {
 
 export type FrameHandler = (bitmap: ImageBitmap, t: number) => void;
 
-// XXX: hidden tabs can still be frozen/discarded outright, which suspends the
+// xxx: hidden tabs can still be frozen/discarded outright, which suspends the
 // workers too. A silent looping <audio> marks the page as playing audio and
 // exempts it from both intensive throttling and freezing — measure whether we
 // need it before adding it.
diff --git a/app/styles/vars.css b/app/styles/vars.css
index 1d4981982..2ef18328a 100644
--- a/app/styles/vars.css
+++ b/app/styles/vars.css
@@ -129,11 +129,6 @@ html.dark [data-custom-theme],
 	--color-error: oklch(65% 0.25 10);
 	--color-error-high: oklch(87% 0.07 10);
 
-	/** xxx: validate these */
-	/* Team series colors of charts (e.g. the objective timeline): the error
-	   (~10) and info (~275) hues re-stepped so the marks pass CVD-separation
-	   and surface-contrast validation — the text-tier colors are too pastel
-	   as chart marks. */
 	--color-chart-alpha: #da5b76;
 	--color-chart-bravo: #6572e4;