diff --git a/src/upgrades/4.0.0/announces_zset.js b/src/upgrades/4.0.0/announces_zset.js
deleted file mode 100644
index 8330cc6dbd..0000000000
--- a/src/upgrades/4.0.0/announces_zset.js
+++ /dev/null
@@ -1,37 +0,0 @@
-'use strict';
-
-const db = require('../../database');
-const batch = require('../../batch');
-const topics = require('../../topics');
-
-module.exports = {
-	name: 'Save ActivityPub Announces in their own per-post sorted set',
-	timestamp: Date.UTC(2024, 4, 1),
-	method: async function () {
-		const { progress } = this;
-		const bulkOp = [];
-
-		await batch.processSortedSet('topics:tid', async (tids) => {
-			await Promise.all(tids.map(async (tid) => {
-				const announces = await topics.events.find(tid, {
-					type: 'announce',
-				});
-
-				if (announces.length) {
-					await Promise.all(announces.map(async (eid) => {
-						const event = await db.getObject(`topicEvent:${eid}`);
-						if (['uid', 'pid', 'timestamp'].every(prop => event.hasOwnProperty(prop))) {
-							bulkOp.push([`pid:${event.pid}:announces`, event.timestamp, event.uid]);
-						}
-					}));
-
-					await topics.events.purge(tid, announces);
-				}
-			}));
-
-			progress.incr(tids.length);
-		}, { progress });
-
-		await db.sortedSetAddBulk(bulkOp);
-	},
-};
diff --git a/src/upgrades/4.0.0/fix_global_user_and_post_counts.js b/src/upgrades/4.0.0/fix_global_user_and_post_counts.js
deleted file mode 100644
index f8facf9ae6..0000000000
--- a/src/upgrades/4.0.0/fix_global_user_and_post_counts.js
+++ /dev/null
@@ -1,21 +0,0 @@
-'use strict';
-
-const db = require('../../database');
-const meta = require('../../meta');
-
-module.exports = {
-	name: 'Fix global counts for users and posts due to faulty AP logic',
-	timestamp: Date.UTC(2024, 5, 25),
-	method: async () => {
-		if (!meta.config.activitypubEnabled) {
-			return;
-		}
-
-		const counts = await db.sortedSetsCard(['users:joindate', 'posts:pid', 'topics:tid']);
-		await db.setObject('global', {
-			userCount: counts[0],
-			postCount: counts[1],
-			topicCount: counts[2],
-		});
-	},
-};
diff --git a/src/upgrades/4.0.0/fix_topic_zsets_for_uncategorized.js b/src/upgrades/4.0.0/fix_topic_zsets_for_uncategorized.js
deleted file mode 100644
index 4103cd81e1..0000000000
--- a/src/upgrades/4.0.0/fix_topic_zsets_for_uncategorized.js
+++ /dev/null
@@ -1,36 +0,0 @@
-// REMOVE THIS PRIOR TO 4.0 ALPHA
-
-'use strict';
-
-const db = require('../../database');
-
-module.exports = {
-	name: 'Fix topic sorted sets for uncategorized topics',
-	timestamp: Date.UTC(2024, 2, 26),
-	method: async function () {
-		const props = ['views', 'posts', 'votes'];
-		const { progress } = this;
-		const tids = await db.getSortedSetMembers('cid:-1:tids');
-		progress.total = tids.length;
-
-		const remove = [];
-		const add = [];
-		await Promise.all(props.map(async (prop) => {
-			const set = `topics:${prop}`;
-			const newSet = `topicsRemote:${prop}`;
-
-			const scores = await db.sortedSetScores(set, tids);
-			scores.forEach((score, idx) => {
-				if (score !== null) {
-					remove.push([set, tids[idx]]);
-					add.push([newSet, score, tids[idx]]);
-				}
-			});
-		}));
-
-		await Promise.all([
-			db.sortedSetRemoveBulk(remove),
-			db.sortedSetAddBulk(add),
-		]);
-	},
-};
diff --git a/src/upgrades/4.0.0/follow_backreferences.js b/src/upgrades/4.0.0/follow_backreferences.js
deleted file mode 100644
index bec02a7ee5..0000000000
--- a/src/upgrades/4.0.0/follow_backreferences.js
+++ /dev/null
@@ -1,41 +0,0 @@
-'use strict';
-
-const db = require('../../database');
-const batch = require('../../batch');
-const activitypub = require('../../activitypub');
-
-module.exports = {
-	name: 'Establish follow backreference sorted sets for remote users',
-	timestamp: Date.UTC(2024, 6, 19),
-	method: async function () {
-		const { progress } = this;
-		const bulkOp = [];
-		const now = Date.now();
-		const reassert = [];
-
-		await batch.processSortedSet('users:joindate', async (uids) => {
-			const [_followers, _following] = await Promise.all([
-				db.getSortedSetsMembers(uids.map(uid => `followersRemote:${uid}`)),
-				db.getSortedSetsMembers(uids.map(uid => `followingRemote:${uid}`)),
-			]);
-
-			const toCheck = Array.from(new Set(_followers.flat().concat(_following.flat())));
-			const asserted = await db.isSortedSetMembers('usersRemote:lastCrawled', toCheck);
-			reassert.push(...toCheck.filter((actor, idx) => !asserted[idx]));
-
-			uids.forEach((uid, idx) => {
-				const followers = _followers[idx];
-				if (followers.length) {
-					bulkOp.push(...followers.map(actor => [`followingRemote:${actor}`, now, uid]));
-				}
-			});
-
-			progress.incr(uids.length);
-		}, { progress });
-
-		await Promise.all([
-			db.sortedSetAddBulk(bulkOp),
-			activitypub.actors.assert(Array.from(new Set(reassert))),
-		]);
-	},
-};
diff --git a/src/upgrades/4.0.0/prune_user_inboxes.js b/src/upgrades/4.0.0/prune_user_inboxes.js
deleted file mode 100644
index 7ea27d322e..0000000000
--- a/src/upgrades/4.0.0/prune_user_inboxes.js
+++ /dev/null
@@ -1,29 +0,0 @@
-'use strict';
-
-const db = require('../../database');
-const batch = require('../../batch');
-const topics = require('../../topics');
-
-module.exports = {
-	name: 'Prune deleted topics out of user inboxes',
-	timestamp: Date.UTC(2024, 6, 12),
-	method: async function () {
-		const { progress } = this;
-
-		await batch.processSortedSet('users:joindate', async (uids) => {
-			const exists = await db.exists(uids.map(uid => `uid:${uid}:inbox`));
-			const count = uids.length;
-			uids = uids.filter((uid, idx) => exists[idx]);
-
-			await Promise.all(uids.map(async (uid) => {
-				const key = `uid:${uid}:inbox`;
-				const tids = await db.getSortedSetMembers(key);
-				const exists = await topics.exists(tids);
-				const toRemove = tids.filter((tid, idx) => !exists[idx]);
-				await db.sortedSetRemove(key, toRemove);
-			}));
-
-			progress.incr(count);
-		}, { progress });
-	},
-};
diff --git a/src/upgrades/4.0.0/remote_user_urls.js b/src/upgrades/4.0.0/remote_user_urls.js
deleted file mode 100644
index 2b5ee8088a..0000000000
--- a/src/upgrades/4.0.0/remote_user_urls.js
+++ /dev/null
@@ -1,35 +0,0 @@
-// REMOVE THIS PRIOR TO 4.0 ALPHA
-
-'use strict';
-
-const db = require('../../database');
-const activitypub = require('../../activitypub');
-
-module.exports = {
-	name: 'Re-assert all existing actors to save URL into hash',
-	timestamp: Date.UTC(2024, 3, 4),
-	method: async function () {
-		const batch = require('../../batch');
-		const { progress } = this;
-		const interval = 1500;
-
-		let actorIds = await db.getSortedSetMembers('usersRemote:lastCrawled');
-		progress.total = actorIds.length;
-		const existing = await db.getObjectValues('remoteUrl:uid');
-		const exists = actorIds.map(actorId => existing.includes(actorId));
-		actorIds = actorIds.filter((_, idx) => !exists[idx]);
-
-		// Increment ones that were already completed
-		progress.incr(progress.total - actorIds.length);
-
-		await batch.processArray(actorIds, async (ids) => {
-			try {
-				await activitypub.actors.assert(ids, { update: true });
-			} catch (e) {
-				// noop
-			}
-
-			progress.incr(ids.length);
-		}, { progress, interval });
-	},
-};
diff --git a/src/upgrades/4.0.0/searchable_remote_users.js b/src/upgrades/4.0.0/searchable_remote_users.js
deleted file mode 100644
index 7cc9abbfb8..0000000000
--- a/src/upgrades/4.0.0/searchable_remote_users.js
+++ /dev/null
@@ -1,30 +0,0 @@
-// REMOVE THIS PRIOR TO 4.0 ALPHA
-
-'use strict';
-
-const db = require('../../database');
-
-module.exports = {
-	name: 'Allow remote user profiles to be searched',
-	// remember, month is zero-indexed (so January is 0, December is 11)
-	timestamp: Date.UTC(2024, 2, 1),
-	method: async () => {
-		const ids = await db.getSortedSetMembers('usersRemote:lastCrawled');
-		const data = await db.getObjectsFields(ids.map(id => `userRemote:${id}`), ['username', 'fullname']);
-
-		const queries = data.reduce((memo, profile, idx) => {
-			if (profile && profile.username && profile.fullname) {
-				memo.zset.push(['ap.preferredUsername:sorted', 0, `${profile.username.toLowerCase()}:${ids[idx]}`]);
-				memo.zset.push(['ap.name:sorted', 0, `${profile.fullname.toLowerCase()}:${ids[idx]}`]);
-				memo.hash[profile.username.toLowerCase()] = ids[idx];
-			}
-
-			return memo;
-		}, { zset: [], hash: {} });
-
-		await Promise.all([
-			db.sortedSetAddBulk(queries.zset),
-			db.setObject('handle:uid', queries.hash),
-		]);
-	},
-};