diff --git a/scripts/commands/db/update.ts b/scripts/commands/db/update.ts
index 401da305..707d9cfe 100644
--- a/scripts/commands/db/update.ts
+++ b/scripts/commands/db/update.ts
@@ -1,4 +1,4 @@
-import { CSV, IssueLoader, CSVParser, Issue, IssueData } from '../../core'
+import { CSV, IssueLoader, Issue, IssueData } from '../../core'
 import { createChannelId, createFeedId } from '../../utils'
 import { Channel, Feed, BlocklistRecord } from '../../models'
 import { Storage, Collection, Logger } from '@freearhey/core'
@@ -11,7 +11,6 @@ const dataStorage = new Storage(DATA_DIR)
 const logger = new Logger({ level: -999 })
 
 async function main() {
-  const parser = new CSVParser()
   const issueLoader = new IssueLoader()
   const dataLoader = new DataLoader({ storage: dataStorage })
 
@@ -101,7 +100,7 @@ async function editFeeds(issues: Collection, data: DataLoaderData) {
     )
     if (!found) return
 
-    let channelId: string | undefined = found.channelId
+    const channelId: string | undefined = found.channelId
     let feedId: string | undefined = found.id
     if (issueData.has('feed_name')) {
       const name = issueData.getString('feed_name') || found.name
diff --git a/scripts/commands/db/validate.ts b/scripts/commands/db/validate.ts
index 1a65e2d4..0206eb93 100644
--- a/scripts/commands/db/validate.ts
+++ b/scripts/commands/db/validate.ts
@@ -238,7 +238,7 @@ function findDuplicatesBy(items: Collection, keys: string[]) {
   const duplicates = new Collection()
   const buffer = new Dictionary()
 
-  items.forEach((item, i = 0) => {
+  items.forEach((item: { [key: string]: string | number }) => {
     const normId = keys.map(key => item[key].toString().toLowerCase()).join()
     if (buffer.has(normId)) {
       duplicates.add(item)
diff --git a/scripts/core/dataLoader.ts b/scripts/core/dataLoader.ts
index 47aee225..c0088981 100644
--- a/scripts/core/dataLoader.ts
+++ b/scripts/core/dataLoader.ts
@@ -27,7 +27,7 @@ export class DataLoader {
   async load(): Promise<DataLoaderData> {
     const files = await this.storage.list('*.csv')
 
-    let data: DataLoaderData = {
+    const data: DataLoaderData = {
       channels: new Collection(),
       feeds: new Collection(),
       categories: new Collection(),
@@ -55,7 +55,7 @@ export class DataLoader {
       const csv = await this.storage.load(file.basename())
       const rows = csv.split(/\r\n/)
       const headers = rows[0].split(',')
-      let errors = new Collection()
+      const errors = new Collection()
       for (const [i, line] of rows.entries()) {
         if (!line.trim()) continue
         if (line.indexOf('\n') > -1) {
diff --git a/scripts/types/csvParser.d.ts b/scripts/types/csvParser.d.ts
index d9946573..e97ef835 100644
--- a/scripts/types/csvParser.d.ts
+++ b/scripts/types/csvParser.d.ts
@@ -1,4 +1,4 @@
 export type CSVParserRow = {
   line: number
-  data: any
+  data: { [key: string]: string }
 }
diff --git a/scripts/validators/blocklistRecordValidator.ts b/scripts/validators/blocklistRecordValidator.ts
index ae1e6de5..8d1c7678 100644
--- a/scripts/validators/blocklistRecordValidator.ts
+++ b/scripts/validators/blocklistRecordValidator.ts
@@ -12,7 +12,7 @@ export class BlocklistRecordValidator extends Validator {
   validate(blocklistRecord: BlocklistRecord): Collection {
     const { channelsKeyById }: DataLoaderData = this.data
 
-    let errors = new Collection()
+    const errors = new Collection()
 
     const joiResults = blocklistRecord
       .getSchema()
diff --git a/scripts/validators/categoryValidator.ts b/scripts/validators/categoryValidator.ts
index 644086fe..e91edb8d 100644
--- a/scripts/validators/categoryValidator.ts
+++ b/scripts/validators/categoryValidator.ts
@@ -9,7 +9,7 @@ export class CategoryValidator extends Validator {
   }
 
   validate(category: Category): Collection {
-    let errors = new Collection()
+    const errors = new Collection()
 
     const joiResults = category.getSchema().validate(category.data(), { abortEarly: false })
     if (joiResults.error) {
diff --git a/scripts/validators/channelValidator.ts b/scripts/validators/channelValidator.ts
index fa26f77f..636f3117 100644
--- a/scripts/validators/channelValidator.ts
+++ b/scripts/validators/channelValidator.ts
@@ -18,7 +18,7 @@ export class ChannelValidator extends Validator {
       categoriesKeyById
     }: DataLoaderData = this.data
 
-    let errors = new Collection()
+    const errors = new Collection()
 
     const joiResults = channel.getSchema().validate(channel.data(), { abortEarly: false })
     if (joiResults.error) {
diff --git a/scripts/validators/countryValidator.ts b/scripts/validators/countryValidator.ts
index c1e7292e..d2b0ee37 100644
--- a/scripts/validators/countryValidator.ts
+++ b/scripts/validators/countryValidator.ts
@@ -12,7 +12,7 @@ export class CountryValidator extends Validator {
   validate(country: Country): Collection {
     const { languagesKeyByCode }: DataLoaderData = this.data
 
-    let errors = new Collection()
+    const errors = new Collection()
 
     const joiResults = country.getSchema().validate(country.data(), { abortEarly: false })
     if (joiResults.error) {
diff --git a/scripts/validators/feedValidator.ts b/scripts/validators/feedValidator.ts
index 57085405..538a52ca 100644
--- a/scripts/validators/feedValidator.ts
+++ b/scripts/validators/feedValidator.ts
@@ -18,7 +18,7 @@ export class FeedValidator extends Validator {
       timezonesKeyById
     }: DataLoaderData = this.data
 
-    let errors = new Collection()
+    const errors = new Collection()
 
     const joiResults = feed.getSchema().validate(feed.data(), { abortEarly: false })
     if (joiResults.error) {
diff --git a/scripts/validators/languageValidator.ts b/scripts/validators/languageValidator.ts
index ec14c763..c8b3a32c 100644
--- a/scripts/validators/languageValidator.ts
+++ b/scripts/validators/languageValidator.ts
@@ -9,7 +9,7 @@ export class LanguageValidator extends Validator {
   }
 
   validate(language: Language): Collection {
-    let errors = new Collection()
+    const errors = new Collection()
 
     const joiResults = language.getSchema().validate(language.data(), { abortEarly: false })
     if (joiResults.error) {
diff --git a/scripts/validators/regionValidator.ts b/scripts/validators/regionValidator.ts
index 61d2129b..0c7c24b4 100644
--- a/scripts/validators/regionValidator.ts
+++ b/scripts/validators/regionValidator.ts
@@ -12,7 +12,7 @@ export class RegionValidator extends Validator {
   validate(region: Region): Collection {
     const { countriesKeyByCode }: DataLoaderData = this.data
 
-    let errors = new Collection()
+    const errors = new Collection()
 
     const joiResults = region.getSchema().validate(region.data(), { abortEarly: false })
     if (joiResults.error) {
diff --git a/scripts/validators/subdivisionValidator.ts b/scripts/validators/subdivisionValidator.ts
index 357031ae..2cf43f1e 100644
--- a/scripts/validators/subdivisionValidator.ts
+++ b/scripts/validators/subdivisionValidator.ts
@@ -12,7 +12,7 @@ export class SubdivisionValidator extends Validator {
   validate(subdivision: Subdivision): Collection {
     const { countriesKeyByCode }: DataLoaderData = this.data
 
-    let errors = new Collection()
+    const errors = new Collection()
 
     const joiResults = subdivision.getSchema().validate(subdivision.data(), { abortEarly: false })
     if (joiResults.error) {
diff --git a/scripts/validators/timezoneValidator.ts b/scripts/validators/timezoneValidator.ts
index d5e10d7a..ed3bb734 100644
--- a/scripts/validators/timezoneValidator.ts
+++ b/scripts/validators/timezoneValidator.ts
@@ -12,7 +12,7 @@ export class TimezoneValidator extends Validator {
   validate(timezone: Timezone): Collection {
     const { countriesKeyByCode }: DataLoaderData = this.data
 
-    let errors = new Collection()
+    const errors = new Collection()
 
     const joiResults = timezone.getSchema().validate(timezone.data(), { abortEarly: false })
     if (joiResults.error) {