diff --git a/src/voice/VoiceRecording.ts b/src/voice/VoiceRecording.ts
index e3ea29d0fe..536283689a 100644
--- a/src/voice/VoiceRecording.ts
+++ b/src/voice/VoiceRecording.ts
@@ -29,7 +29,6 @@ import { createAudioContext } from "./compat";
 import { IEncryptedFile } from "matrix-js-sdk/src/@types/event";
 import { uploadFile } from "../ContentMessages";
 import { FixedRollingArray } from "../utils/FixedRollingArray";
-import { arraySeed } from "../utils/arrays";
 import { clamp } from "../utils/numbers";
 
 const CHANNELS = 1; // stereo isn't important
diff --git a/test/utils/FixedRollingArray-test.ts b/test/utils/FixedRollingArray-test.ts
index f1678abe08..732a4f175e 100644
--- a/test/utils/FixedRollingArray-test.ts
+++ b/test/utils/FixedRollingArray-test.ts
@@ -42,8 +42,8 @@ describe('FixedRollingArray', () => {
         const width = 24;
         const array = new FixedRollingArray(width, seed);
 
-        let maxValue = width * 2;
-        let minValue = width; // because we're forcing a rollover
+        const maxValue = width * 2;
+        const minValue = width; // because we're forcing a rollover
         for (let i = 0; i <= maxValue; i++) {
             array.pushValue(i);
         }