diff --git a/packages/skin-database/migrations/20220218192912_ia_metadata.ts b/packages/skin-database/migrations/20220218192912_ia_metadata.ts
index 35024eba..020e8911 100644
--- a/packages/skin-database/migrations/20220218192912_ia_metadata.ts
+++ b/packages/skin-database/migrations/20220218192912_ia_metadata.ts
@@ -1,9 +1,9 @@
-import * as Knex from "knex";
+import * as knex from "knex";
 
-export async function up(knex: Knex): Promise<any> {
+export async function up(knex: knex): Promise<any> {
   await knex.raw(`ALTER TABLE ia_items ADD COLUMN metadata;`);
 }
 
-export async function down(knex: Knex): Promise<any> {
+export async function down(knex: knex): Promise<any> {
   throw new Error("I never implemented a down migration for adding metadata.");
 }
diff --git a/packages/skin-database/migrations/20220218195859_ai_metadata_timestamp.ts b/packages/skin-database/migrations/20220218195859_ai_metadata_timestamp.ts
index d92aad36..45f6aaf4 100644
--- a/packages/skin-database/migrations/20220218195859_ai_metadata_timestamp.ts
+++ b/packages/skin-database/migrations/20220218195859_ai_metadata_timestamp.ts
@@ -1,10 +1,10 @@
-import * as Knex from "knex";
+import * as knex from "knex";
 
-export async function up(knex: Knex): Promise<any> {
+export async function up(knex: knex): Promise<any> {
   await knex.raw(`ALTER TABLE ia_items ADD COLUMN metadata_timestamp;`);
 }
 
-export async function down(knex: Knex): Promise<any> {
+export async function down(knex: knex): Promise<any> {
   throw new Error(
     "I never implemented a down migration for adding metadata_timestamp."
   );
diff --git a/packages/skin-database/tasks/integrityCheck.ts b/packages/skin-database/tasks/integrityCheck.ts
index e5183e2d..98039626 100644
--- a/packages/skin-database/tasks/integrityCheck.ts
+++ b/packages/skin-database/tasks/integrityCheck.ts
@@ -1,6 +1,5 @@
-import fs from "fs";
 import { knex } from "../db";
-import { TWEET_SNOWFLAKE_REGEX, MD5_REGEX } from "../utils";
+import { TWEET_SNOWFLAKE_REGEX } from "../utils";
 
 function isNotGeneratedFile(file) {
   switch (file.source) {
@@ -80,30 +79,6 @@ export async function integrityCheck(): Promise<void> {
   console.log("Done.");
 }
 
-async function findHashesForTweets(): Promise<void> {
-  const todo = JSON.parse(fs.readFileSync("todo.json", "utf8"));
-  let other = 0;
-
-  for (const tweet of todo) {
-    const match = tweet.text.match(MD5_REGEX);
-    if (match) {
-      const md5 = match[0];
-      if (md5 == null) {
-        throw new Error("No md5?");
-      }
-      await knex("tweets").insert(
-        { skin_md5: md5, tweet_id: tweet.id_str },
-        []
-      );
-      continue;
-    }
-    // console.log({ urls, text: skin.text, id: skin.id_str });
-
-    other++;
-  }
-  console.log({ other });
-}
-
 async function skinsWithoutFiles(): Promise<void> {
   console.log("Checking for skins without files...");
   const result = await knex("skins")
@@ -143,20 +118,6 @@ async function reviewsWithoutSkins(): Promise<void> {
   }
 }
 
-async function noDuplicateIaItems(): Promise<void> {
-  console.log("Checking for duplicate Internet Archive items...");
-  const result = await knex.raw(
-    "SELECT identifier, COUNT(*) c FROM ia_items GROUP BY identifier HAVING c > 1;"
-  );
-  if (result.length > 0) {
-    console.warn(
-      `Found ${result.length} Internet Archive items with duplicate identifiers.`
-    );
-  } else {
-    console.log("None found.");
-  }
-}
-
 async function noDuplicateTweetIds(): Promise<void> {
   console.log("Checking for duplicate Tweet ids...");
   const result = await knex.raw(
@@ -181,20 +142,6 @@ async function noDuplicateTweetMd5s(): Promise<void> {
   }
 }
 
-async function tweetsHaveIds(): Promise<void> {
-  console.log("Checking for Tweets with URLs but no ids...");
-  const results = await knex.raw(
-    "SELECT * FROM tweets WHERE tweet_id IS NULL;"
-  );
-  if (results.length > 0) {
-    for (const row of results) {
-      // console.log(row);
-    }
-  } else {
-    console.log("None found.");
-  }
-}
-
 async function tweetsHaveIdIfTheyHaveURl(): Promise<void> {
   console.log("Checking for Tweets with URLs but no ids...");
   const results = await knex.raw(