diff --git a/scripts/commands/playlist/edit.ts b/scripts/commands/playlist/edit.ts
index 10824df43b..c58be822a3 100644
--- a/scripts/commands/playlist/edit.ts
+++ b/scripts/commands/playlist/edit.ts
@@ -136,7 +136,7 @@ async function selectChannel(
 }
 
 async function selectFeed(channelId: string, feedsGroupedByChannelId: Dictionary): Promise<string> {
-  const channelFeeds = new Collection(feedsGroupedByChannelId.get(channelId)) || new Collection()
+  const channelFeeds = new Collection(feedsGroupedByChannelId.get(channelId))
   const choices = getFeedChoises(channelFeeds)
 
   const selected: ChoiceValue = await select({
diff --git a/scripts/commands/playlist/format.ts b/scripts/commands/playlist/format.ts
index d861cb81ad..5f587403a0 100644
--- a/scripts/commands/playlist/format.ts
+++ b/scripts/commands/playlist/format.ts
@@ -63,7 +63,7 @@ async function main() {
 
   logger.info('saving...')
   const groupedStreams = streams.groupBy((stream: Stream) => stream.getFilepath())
-  for (let filepath of groupedStreams.keys()) {
+  for (const filepath of groupedStreams.keys()) {
     const streams = groupedStreams.get(filepath) || []
 
     if (!streams.length) return
diff --git a/scripts/commands/playlist/test.ts b/scripts/commands/playlist/test.ts
index 5c307fc45e..52c3d9cf1c 100644
--- a/scripts/commands/playlist/test.ts
+++ b/scripts/commands/playlist/test.ts
@@ -18,7 +18,7 @@ const LIVE_UPDATE_MAX_STREAMS = 100
 
 let errors = 0
 let warnings = 0
-let results = {}
+const results = {}
 let interval
 let streams = new Collection()
 let isLiveUpdateEnabled = true
diff --git a/scripts/commands/playlist/update.ts b/scripts/commands/playlist/update.ts
index bdaa10241f..2ded669e75 100644
--- a/scripts/commands/playlist/update.ts
+++ b/scripts/commands/playlist/update.ts
@@ -6,7 +6,7 @@ import type { DataLoaderData } from '../../types/dataLoader'
 import { DATA_DIR, STREAMS_DIR } from '../../constants'
 import { isURI } from '../../utils'
 
-let processedIssues = new Collection()
+const processedIssues = new Collection()
 
 async function main() {
   const logger = new Logger({ level: -999 })
@@ -55,7 +55,7 @@ async function main() {
 
   logger.info('saving...')
   const groupedStreams = streams.groupBy((stream: Stream) => stream.getFilepath())
-  for (let filepath of groupedStreams.keys()) {
+  for (const filepath of groupedStreams.keys()) {
     let streams = groupedStreams.get(filepath) || []
     streams = streams.filter((stream: Stream) => stream.removed === false)
 
@@ -114,7 +114,7 @@ async function editStreams({
 
     if (data.missing('streamUrl')) return
 
-    let stream: Stream = streams.first(
+    const stream: Stream = streams.first(
       (_stream: Stream) => _stream.url === data.getString('streamUrl')
     )
     if (!stream) return
diff --git a/scripts/commands/playlist/validate.ts b/scripts/commands/playlist/validate.ts
index bc5c3b435b..27f6be0c4e 100644
--- a/scripts/commands/playlist/validate.ts
+++ b/scripts/commands/playlist/validate.ts
@@ -44,7 +44,7 @@ async function main() {
 
   let errors = new Collection()
   let warnings = new Collection()
-  let streamsGroupedByFilepath = streams.groupBy((stream: Stream) => stream.getFilepath())
+  const streamsGroupedByFilepath = streams.groupBy((stream: Stream) => stream.getFilepath())
   for (const filepath of streamsGroupedByFilepath.keys()) {
     const streams = streamsGroupedByFilepath.get(filepath)
     if (!streams) continue