diff --git a/packages/client/package.json b/packages/client/package.json
index 4ca60089..7969e816 100644
--- a/packages/client/package.json
+++ b/packages/client/package.json
@@ -9,7 +9,8 @@
     "scripts": {
         "test": "mocha -r ts-node/register \"tests/**/*.spec.ts\"",
         "docs": "typedoc",
-        "build": "tsc"
+        "build": "tsc",
+        "gen-client": "node ./scripts/generate-client.js"
     },
     "dependencies": {
         "@types/node": "18.16.0",
@@ -20,4 +21,4 @@
         "file-type": "16.5.4",
         "long": "5.2.3"
     }
-}
\ No newline at end of file
+}
diff --git a/packages/client/src/client.ts b/packages/client/src/client.ts
index f9d97709..58f7daaa 100644
--- a/packages/client/src/client.ts
+++ b/packages/client/src/client.ts
@@ -3,16 +3,18 @@
 import { Readable } from 'stream'
 
 import {
-    AsyncLock,
     BaseTelegramClient,
     BaseTelegramClientOptions,
-    Deque,
     MaybeArray,
     MaybeAsync,
-    SortedLinkedList,
 } from '@mtcute/core'
-import { ConditionVariable } from '@mtcute/core/src/utils/condition-variable'
-import { Logger } from '@mtcute/core/src/utils/logger'
+import {
+    AsyncLock,
+    ConditionVariable,
+    Deque,
+    Logger,
+    SortedLinkedList,
+} from '@mtcute/core/utils'
 import { tdFileId } from '@mtcute/file-id'
 import { tl } from '@mtcute/tl'
 
diff --git a/packages/client/src/index.ts b/packages/client/src/index.ts
index 45832ba8..c7680031 100644
--- a/packages/client/src/index.ts
+++ b/packages/client/src/index.ts
@@ -5,7 +5,6 @@ export * from './utils/peer-utils'
 export { createDummyUpdate } from './utils/updates-utils'
 export {
     assertNever,
-    defaultDcs,
     JsonFileStorage,
     LocalstorageStorage,
     MemoryStorage,
diff --git a/packages/client/src/methods/_imports.ts b/packages/client/src/methods/_imports.ts
index 0b2abc89..d885368b 100644
--- a/packages/client/src/methods/_imports.ts
+++ b/packages/client/src/methods/_imports.ts
@@ -2,9 +2,15 @@
 import { Readable } from 'stream'
 
 // @copy
-import { AsyncLock, MaybeArray, MaybeAsync } from '@mtcute/core'
+import { MaybeArray, MaybeAsync } from '@mtcute/core'
 // @copy
-import { Logger } from '@mtcute/core/src/utils/logger'
+import {
+    AsyncLock,
+    ConditionVariable,
+    Deque,
+    Logger,
+    SortedLinkedList,
+} from '@mtcute/core/utils'
 // @copy
 import { tdFileId } from '@mtcute/file-id'
 
diff --git a/packages/client/src/methods/auth/check-password.ts b/packages/client/src/methods/auth/check-password.ts
index 4c0aeb1a..e382dd0c 100644
--- a/packages/client/src/methods/auth/check-password.ts
+++ b/packages/client/src/methods/auth/check-password.ts
@@ -1,4 +1,4 @@
-import { computeSrpParams } from '@mtcute/core'
+import { computeSrpParams } from '@mtcute/core/utils'
 
 import { TelegramClient } from '../../client'
 import { User } from '../../types'
diff --git a/packages/client/src/methods/bots/get-callback-answer.ts b/packages/client/src/methods/bots/get-callback-answer.ts
index c131494d..d2a00ae0 100644
--- a/packages/client/src/methods/bots/get-callback-answer.ts
+++ b/packages/client/src/methods/bots/get-callback-answer.ts
@@ -1,4 +1,4 @@
-import { computeSrpParams } from '@mtcute/core'
+import { computeSrpParams } from '@mtcute/core/utils'
 import { tl } from '@mtcute/tl'
 
 import { TelegramClient } from '../../client'
diff --git a/packages/client/src/methods/chats/kick-chat-member.ts b/packages/client/src/methods/chats/kick-chat-member.ts
index 5439779f..9d2b8574 100644
--- a/packages/client/src/methods/chats/kick-chat-member.ts
+++ b/packages/client/src/methods/chats/kick-chat-member.ts
@@ -1,4 +1,4 @@
-import { sleep } from '@mtcute/core'
+import { sleep } from '@mtcute/core/utils'
 
 import { TelegramClient } from '../../client'
 import { InputPeerLike } from '../../types'
diff --git a/packages/client/src/methods/files/download-iterable.ts b/packages/client/src/methods/files/download-iterable.ts
index 00ffc88f..12e992f4 100644
--- a/packages/client/src/methods/files/download-iterable.ts
+++ b/packages/client/src/methods/files/download-iterable.ts
@@ -1,4 +1,5 @@
-import { ConditionVariable, ConnectionKind } from '@mtcute/core'
+import { ConnectionKind } from '@mtcute/core'
+import { ConditionVariable } from '@mtcute/core/utils'
 import {
     fileIdToInputFileLocation,
     fileIdToInputWebFileLocation,
diff --git a/packages/client/src/methods/files/upload-file.ts b/packages/client/src/methods/files/upload-file.ts
index da49f97d..d1ddc1f6 100644
--- a/packages/client/src/methods/files/upload-file.ts
+++ b/packages/client/src/methods/files/upload-file.ts
@@ -2,7 +2,7 @@ import { fromBuffer as fileTypeFromBuffer } from 'file-type'
 import type { ReadStream } from 'fs'
 import { Readable } from 'stream'
 
-import { AsyncLock, randomLong } from '@mtcute/core'
+import { AsyncLock, randomLong } from '@mtcute/core/utils'
 import { tl } from '@mtcute/tl'
 
 import { TelegramClient } from '../../client'
diff --git a/packages/client/src/methods/messages/forward-messages.ts b/packages/client/src/methods/messages/forward-messages.ts
index 3b19596a..b227485b 100644
--- a/packages/client/src/methods/messages/forward-messages.ts
+++ b/packages/client/src/methods/messages/forward-messages.ts
@@ -1,4 +1,5 @@
-import { MaybeArray, randomLong } from '@mtcute/core'
+import { MaybeArray } from '@mtcute/core'
+import { randomLong } from '@mtcute/core/utils'
 import { tl } from '@mtcute/tl'
 
 import { TelegramClient } from '../../client'
diff --git a/packages/client/src/methods/messages/send-media-group.ts b/packages/client/src/methods/messages/send-media-group.ts
index 43c065d6..db466410 100644
--- a/packages/client/src/methods/messages/send-media-group.ts
+++ b/packages/client/src/methods/messages/send-media-group.ts
@@ -1,4 +1,5 @@
-import { getMarkedPeerId, randomLong } from '@mtcute/core'
+import { getMarkedPeerId } from '@mtcute/core'
+import { randomLong } from '@mtcute/core/utils'
 import { tl } from '@mtcute/tl'
 
 import { TelegramClient } from '../../client'
diff --git a/packages/client/src/methods/messages/send-media.ts b/packages/client/src/methods/messages/send-media.ts
index 1e3d0beb..df947aca 100644
--- a/packages/client/src/methods/messages/send-media.ts
+++ b/packages/client/src/methods/messages/send-media.ts
@@ -1,4 +1,5 @@
-import { getMarkedPeerId, randomLong } from '@mtcute/core'
+import { getMarkedPeerId } from '@mtcute/core'
+import { randomLong } from '@mtcute/core/utils'
 import { tl } from '@mtcute/tl'
 
 import { TelegramClient } from '../../client'
diff --git a/packages/client/src/methods/messages/send-text.ts b/packages/client/src/methods/messages/send-text.ts
index 1ecfa787..8b988c45 100644
--- a/packages/client/src/methods/messages/send-text.ts
+++ b/packages/client/src/methods/messages/send-text.ts
@@ -1,4 +1,5 @@
-import { getMarkedPeerId, randomLong } from '@mtcute/core'
+import { getMarkedPeerId } from '@mtcute/core'
+import { randomLong } from '@mtcute/core/utils'
 import { tl } from '@mtcute/tl'
 
 import { TelegramClient } from '../../client'
diff --git a/packages/client/src/methods/messages/translate-message.ts b/packages/client/src/methods/messages/translate-message.ts
index 994b9839..f3f9e366 100644
--- a/packages/client/src/methods/messages/translate-message.ts
+++ b/packages/client/src/methods/messages/translate-message.ts
@@ -1,4 +1,4 @@
-import { isPresent } from '@mtcute/core'
+import { isPresent } from '@mtcute/core/utils'
 
 import { TelegramClient } from '../../client'
 import { InputPeerLike, MessageEntity } from '../../types'
diff --git a/packages/client/src/methods/pasword/change-cloud-password.ts b/packages/client/src/methods/pasword/change-cloud-password.ts
index 79b41b93..cbb18a91 100644
--- a/packages/client/src/methods/pasword/change-cloud-password.ts
+++ b/packages/client/src/methods/pasword/change-cloud-password.ts
@@ -1,4 +1,4 @@
-import { computeNewPasswordHash, computeSrpParams } from '@mtcute/core'
+import { computeNewPasswordHash, computeSrpParams } from '@mtcute/core/utils'
 
 import { TelegramClient } from '../../client'
 import { MtArgumentError } from '../../types'
@@ -20,7 +20,9 @@ export async function changeCloudPassword(
 ): Promise<void> {
     const pwd = await this.call({ _: 'account.getPassword' })
 
-    if (!pwd.hasPassword) { throw new MtArgumentError('Cloud password is not enabled') }
+    if (!pwd.hasPassword) {
+        throw new MtArgumentError('Cloud password is not enabled')
+    }
 
     const algo = pwd.newAlgo
     assertTypeIs(
diff --git a/packages/client/src/methods/pasword/enable-cloud-password.ts b/packages/client/src/methods/pasword/enable-cloud-password.ts
index 3fdfebec..79e84ebc 100644
--- a/packages/client/src/methods/pasword/enable-cloud-password.ts
+++ b/packages/client/src/methods/pasword/enable-cloud-password.ts
@@ -1,4 +1,4 @@
-import { computeNewPasswordHash } from '@mtcute/core'
+import { computeNewPasswordHash } from '@mtcute/core/utils'
 
 import { TelegramClient } from '../../client'
 import { MtArgumentError } from '../../types'
@@ -25,7 +25,9 @@ export async function enableCloudPassword(
 ): Promise<void> {
     const pwd = await this.call({ _: 'account.getPassword' })
 
-    if (pwd.hasPassword) { throw new MtArgumentError('Cloud password is already enabled') }
+    if (pwd.hasPassword) {
+        throw new MtArgumentError('Cloud password is already enabled')
+    }
 
     const algo = pwd.newAlgo
     assertTypeIs(
diff --git a/packages/client/src/methods/pasword/remove-cloud-password.ts b/packages/client/src/methods/pasword/remove-cloud-password.ts
index 707e2f84..350b50c3 100644
--- a/packages/client/src/methods/pasword/remove-cloud-password.ts
+++ b/packages/client/src/methods/pasword/remove-cloud-password.ts
@@ -1,4 +1,4 @@
-import { computeSrpParams } from '@mtcute/core'
+import { computeSrpParams } from '@mtcute/core/utils'
 
 import { TelegramClient } from '../../client'
 import { MtArgumentError } from '../../types'
@@ -15,7 +15,9 @@ export async function removeCloudPassword(
 ): Promise<void> {
     const pwd = await this.call({ _: 'account.getPassword' })
 
-    if (!pwd.hasPassword) { throw new MtArgumentError('Cloud password is not enabled') }
+    if (!pwd.hasPassword) {
+        throw new MtArgumentError('Cloud password is not enabled')
+    }
 
     const oldSrp = await computeSrpParams(this._crypto, pwd, password)
 
diff --git a/packages/client/src/methods/updates.ts b/packages/client/src/methods/updates.ts
index b4efd0ea..0ac9e48c 100644
--- a/packages/client/src/methods/updates.ts
+++ b/packages/client/src/methods/updates.ts
@@ -1,17 +1,16 @@
 /* eslint-disable max-depth */
+import { assertNever } from '@mtcute/core'
 import {
-    assertNever,
     AsyncLock,
+    ConditionVariable,
+    Deque,
     getBarePeerId,
     getMarkedPeerId,
     Logger,
     markedPeerIdToBare,
+    SortedLinkedList,
     toggleChannelIdMark,
-} from '@mtcute/core'
-// @copy
-import { Deque, SortedLinkedList } from '@mtcute/core'
-// @copy
-import { ConditionVariable } from '@mtcute/core/src/utils/condition-variable'
+} from '@mtcute/core/utils'
 import { tl } from '@mtcute/tl'
 
 import { TelegramClient } from '../client'
diff --git a/packages/client/src/types/conversation.ts b/packages/client/src/types/conversation.ts
index e5faf11d..c730dd31 100644
--- a/packages/client/src/types/conversation.ts
+++ b/packages/client/src/types/conversation.ts
@@ -1,6 +1,11 @@
 /* eslint-disable dot-notation */
-import { AsyncLock, Deque, getMarkedPeerId, MaybeAsync } from '@mtcute/core'
-import { ControllablePromise, createControllablePromise } from '@mtcute/core'
+import { getMarkedPeerId, MaybeAsync } from '@mtcute/core'
+import {
+    AsyncLock,
+    ControllablePromise,
+    createControllablePromise,
+    Deque,
+} from '@mtcute/core/utils'
 import { tl } from '@mtcute/tl'
 
 import { TelegramClient } from '../client'
diff --git a/packages/client/src/types/misc/sticker-set.ts b/packages/client/src/types/misc/sticker-set.ts
index 518421dd..61bf176e 100644
--- a/packages/client/src/types/misc/sticker-set.ts
+++ b/packages/client/src/types/misc/sticker-set.ts
@@ -1,4 +1,4 @@
-import { LongMap } from '@mtcute/core'
+import { LongMap } from '@mtcute/core/utils'
 import { tl } from '@mtcute/tl'
 
 import { TelegramClient } from '../../client'
diff --git a/packages/client/src/types/updates/index.ts b/packages/client/src/types/updates/index.ts
index 0e98edc0..f038ecf0 100644
--- a/packages/client/src/types/updates/index.ts
+++ b/packages/client/src/types/updates/index.ts
@@ -2,7 +2,7 @@ import { CallbackQuery, InlineQuery, Message } from '../..'
 import { BotChatJoinRequestUpdate } from './bot-chat-join-request'
 import { BotStoppedUpdate } from './bot-stopped'
 import { ChatJoinRequestUpdate } from './chat-join-request'
-import { ChatMemberUpdate } from './chat-member-update'
+import { ChatMemberUpdate, ChatMemberUpdateType } from './chat-member-update'
 import { ChosenInlineResult } from './chosen-inline-result'
 import { DeleteMessageUpdate } from './delete-message-update'
 import { HistoryReadUpdate } from './history-read-update'
@@ -17,6 +17,7 @@ export {
     BotStoppedUpdate,
     ChatJoinRequestUpdate,
     ChatMemberUpdate,
+    ChatMemberUpdateType,
     ChosenInlineResult,
     DeleteMessageUpdate,
     HistoryReadUpdate,
diff --git a/packages/client/src/utils/inline-utils.ts b/packages/client/src/utils/inline-utils.ts
index 297d2f9b..b6f34b2c 100644
--- a/packages/client/src/utils/inline-utils.ts
+++ b/packages/client/src/utils/inline-utils.ts
@@ -1,10 +1,5 @@
-import {
-    assertNever,
-    encodeUrlSafeBase64,
-    parseUrlSafeBase64,
-    TlBinaryReader,
-    TlBinaryWriter,
-} from '@mtcute/core'
+import { assertNever, TlBinaryReader, TlBinaryWriter } from '@mtcute/core'
+import { encodeUrlSafeBase64, parseUrlSafeBase64 } from '@mtcute/core/utils'
 import { tl } from '@mtcute/tl'
 
 /**
diff --git a/packages/client/src/utils/rps-meter.ts b/packages/client/src/utils/rps-meter.ts
index 51de6064..642f5e97 100644
--- a/packages/client/src/utils/rps-meter.ts
+++ b/packages/client/src/utils/rps-meter.ts
@@ -1,11 +1,13 @@
-import { Deque } from '@mtcute/core'
+import { Deque } from '@mtcute/core/utils'
 
 export class RpsMeter {
     _hits: Deque<bigint>
     time: bigint
 
     constructor(readonly size = 500, time = 5000) {
-        if (typeof process === 'undefined' || !process.hrtime.bigint) { throw new Error('RPS meter is not supported on this platform') }
+        if (typeof process === 'undefined' || !process.hrtime.bigint) {
+            throw new Error('RPS meter is not supported on this platform')
+        }
 
         this._hits = new Deque<bigint>(size)
         this.time = BigInt(time) * BigInt(1e6)
diff --git a/packages/core/package.json b/packages/core/package.json
index 4332e848..ccee0c05 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -32,4 +32,4 @@
         "exit-hook": "^4.0.0",
         "ws": "8.13.0"
     }
-}
\ No newline at end of file
+}
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index 48d60223..641b1493 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -2,7 +2,7 @@ export * from './base-client'
 export * from './network'
 export * from './storage'
 export * from './types'
-export * from './utils'
+export * from './utils/peer-utils'
 
 /** @hidden */
 export * from '@mtcute/tl'
diff --git a/packages/core/src/utils/crypto/index.ts b/packages/core/src/utils/crypto/index.ts
index 4d8f1f53..4e8ed81e 100644
--- a/packages/core/src/utils/crypto/index.ts
+++ b/packages/core/src/utils/crypto/index.ts
@@ -2,6 +2,7 @@ import { ForgeCryptoProvider } from './forge-crypto'
 import { NodeCryptoProvider } from './node-crypto'
 
 export * from './abstract'
+export * from './keys'
 export * from './password'
 
 export { ForgeCryptoProvider, NodeCryptoProvider }
diff --git a/packages/core/tests/bigint-utils.spec.ts b/packages/core/tests/bigint-utils.spec.ts
index 43ab02c3..64ce2c64 100644
--- a/packages/core/tests/bigint-utils.spec.ts
+++ b/packages/core/tests/bigint-utils.spec.ts
@@ -2,7 +2,7 @@ import bigInt from 'big-integer'
 import { expect } from 'chai'
 import { describe, it } from 'mocha'
 
-import { bigIntToBuffer, bufferToBigInt } from '../src'
+import { bigIntToBuffer, bufferToBigInt } from '../utils'
 
 // since bigIntToBuffer is a tiny wrapper over writeBigInt, no need to test it individually
 describe('bigIntToBuffer', () => {
diff --git a/packages/core/tests/crypto-providers.spec.ts b/packages/core/tests/crypto-providers.spec.ts
index 42c6e576..d30fe4d7 100644
--- a/packages/core/tests/crypto-providers.spec.ts
+++ b/packages/core/tests/crypto-providers.spec.ts
@@ -5,7 +5,7 @@ import {
     ForgeCryptoProvider,
     ICryptoProvider,
     NodeCryptoProvider,
-} from '../src'
+} from '../utils'
 
 export function testCryptoProvider(c: ICryptoProvider): void {
     it('should calculate sha1', async () => {
diff --git a/packages/core/tests/fuzz/utils.ts b/packages/core/tests/fuzz/utils.ts
index 8d9ba735..79679a78 100644
--- a/packages/core/tests/fuzz/utils.ts
+++ b/packages/core/tests/fuzz/utils.ts
@@ -1,4 +1,5 @@
-import { BaseTelegramClient, NodeCryptoProvider, TcpTransport } from '../../src'
+import { BaseTelegramClient, TcpTransport } from '../../src'
+import { NodeCryptoProvider } from '../../utils'
 
 export function createTestTelegramClient() {
     const tg = new BaseTelegramClient({
diff --git a/packages/core/tests/keys.spec.ts b/packages/core/tests/keys.spec.ts
index 63cce410..f3a094e2 100644
--- a/packages/core/tests/keys.spec.ts
+++ b/packages/core/tests/keys.spec.ts
@@ -1,8 +1,7 @@
 import { expect } from 'chai'
 import { describe, it } from 'mocha'
 
-import { NodeCryptoProvider } from '../src'
-import { parsePublicKey } from '../src/utils/crypto/keys'
+import { NodeCryptoProvider, parsePublicKey } from '../utils'
 
 const crypto = new NodeCryptoProvider()
 
diff --git a/packages/core/tests/lru-map.spec.ts b/packages/core/tests/lru-map.spec.ts
index 9eff8d54..4e07cb39 100644
--- a/packages/core/tests/lru-map.spec.ts
+++ b/packages/core/tests/lru-map.spec.ts
@@ -1,7 +1,7 @@
 import { expect } from 'chai'
 import { describe, it } from 'mocha'
 
-import { LruMap } from '../src'
+import { LruMap } from '../utils'
 
 describe('LruMap', () => {
     it('Map backend', () => {
diff --git a/packages/core/tests/lru-set.spec.ts b/packages/core/tests/lru-set.spec.ts
index 1de980ca..a281d4a5 100644
--- a/packages/core/tests/lru-set.spec.ts
+++ b/packages/core/tests/lru-set.spec.ts
@@ -2,7 +2,7 @@ import { expect } from 'chai'
 import Long from 'long'
 import { describe, it } from 'mocha'
 
-import { LruSet } from '../src'
+import { LruSet } from '../utils'
 
 describe('LruSet', () => {
     describe('for strings', () => {
diff --git a/packages/core/tsconfig.json b/packages/core/tsconfig.json
index 9637bdbb..85468e53 100644
--- a/packages/core/tsconfig.json
+++ b/packages/core/tsconfig.json
@@ -5,7 +5,8 @@
     },
     "include": [
         "./src",
-        "./tests"
+        "./tests",
+        "./utils.ts",
     ],
     "typedocOptions": {
         "name": "@mtcute/core",
diff --git a/packages/core/utils.ts b/packages/core/utils.ts
new file mode 100644
index 00000000..d014f0a3
--- /dev/null
+++ b/packages/core/utils.ts
@@ -0,0 +1,4 @@
+// this file only exists as a hint to IDEs that we can use @mtcute/core/utils instead of @mtcute/core/src/utils.
+// it is not present in the built package, just a DX improvement
+
+export * from './src/utils'
diff --git a/packages/crypto-node/src/index.ts b/packages/crypto-node/src/index.ts
index 22fb1513..631d5bb5 100644
--- a/packages/crypto-node/src/index.ts
+++ b/packages/crypto-node/src/index.ts
@@ -1,4 +1,4 @@
-import { IEncryptionScheme, NodeCryptoProvider } from '@mtcute/core'
+import { IEncryptionScheme, NodeCryptoProvider } from '@mtcute/core/utils'
 
 // eslint-disable-next-line camelcase
 import { ige256_decrypt, ige256_encrypt } from './native'
diff --git a/packages/dispatcher/src/filters.ts b/packages/dispatcher/src/filters.ts
index 9e374f94..3c87c79c 100644
--- a/packages/dispatcher/src/filters.ts
+++ b/packages/dispatcher/src/filters.ts
@@ -6,6 +6,7 @@ import {
     CallbackQuery,
     Chat,
     ChatMemberUpdate,
+    ChatMemberUpdateType,
     ChatType,
     ChosenInlineResult,
     Contact,
@@ -36,7 +37,6 @@ import {
     Voice,
     WebPage,
 } from '@mtcute/client'
-import { ChatMemberUpdateType } from '@mtcute/client/src/types/updates/chat-member-update'
 import { MaybeArray } from '@mtcute/core'
 
 import { UpdateState } from './state'
diff --git a/packages/dispatcher/src/state/update-state.ts b/packages/dispatcher/src/state/update-state.ts
index 29ff1761..b41fe66f 100644
--- a/packages/dispatcher/src/state/update-state.ts
+++ b/packages/dispatcher/src/state/update-state.ts
@@ -1,5 +1,5 @@
 import { MtArgumentError, MtClientError } from '@mtcute/client'
-import { sleep } from '@mtcute/core'
+import { sleep } from '@mtcute/core/utils'
 
 import { IStateStorage } from './storage'
 
@@ -101,7 +101,9 @@ export class UpdateState<State, SceneName extends string = string> {
             return this._cached
         }
 
-        let res = await this._localStorage.getState(this._localKey) as State | null
+        let res = (await this._localStorage.getState(
+            this._localKey,
+        )) as State | null
         if (!res && fallback) res = fallback
         this._cached = res
 
diff --git a/packages/file-id/src/parse.ts b/packages/file-id/src/parse.ts
index 1bc3357e..5c34ab99 100644
--- a/packages/file-id/src/parse.ts
+++ b/packages/file-id/src/parse.ts
@@ -1,4 +1,4 @@
-import { parseUrlSafeBase64 } from '@mtcute/core'
+import { parseUrlSafeBase64 } from '@mtcute/core/utils'
 import { TlBinaryReader } from '@mtcute/tl-runtime'
 
 import { tdFileId as td } from './types'
diff --git a/packages/file-id/src/serialize-unique.ts b/packages/file-id/src/serialize-unique.ts
index 2d676f21..9e4b5de9 100644
--- a/packages/file-id/src/serialize-unique.ts
+++ b/packages/file-id/src/serialize-unique.ts
@@ -1,4 +1,5 @@
-import { assertNever, encodeUrlSafeBase64 } from '@mtcute/core'
+import { assertNever } from '@mtcute/core'
+import { encodeUrlSafeBase64 } from '@mtcute/core/utils'
 import { TlBinaryWriter } from '@mtcute/tl-runtime'
 
 import { tdFileId as td } from './types'
diff --git a/packages/file-id/src/serialize.ts b/packages/file-id/src/serialize.ts
index 8610f17d..58a1ea7b 100644
--- a/packages/file-id/src/serialize.ts
+++ b/packages/file-id/src/serialize.ts
@@ -1,4 +1,5 @@
-import { assertNever, encodeUrlSafeBase64 } from '@mtcute/core'
+import { assertNever } from '@mtcute/core'
+import { encodeUrlSafeBase64 } from '@mtcute/core/utils'
 import { TlBinaryWriter } from '@mtcute/tl-runtime'
 
 import { tdFileId as td } from './types'
diff --git a/packages/mtproxy/fake-tls.ts b/packages/mtproxy/fake-tls.ts
index 0b88104f..c7b55f1f 100644
--- a/packages/mtproxy/fake-tls.ts
+++ b/packages/mtproxy/fake-tls.ts
@@ -1,13 +1,12 @@
 import bigInt, { BigInteger } from 'big-integer'
 
+import { IPacketCodec, WrappedCodec } from '@mtcute/core'
 import {
     bigIntToBuffer,
     bufferToBigInt,
     ICryptoProvider,
-    IPacketCodec,
     randomBytes,
-    WrappedCodec,
-} from '@mtcute/core'
+} from '@mtcute/core/utils'
 
 const MAX_TLS_PACKET_LENGTH = 2878
 const TLS_FIRST_PREFIX = Buffer.from('140303000101', 'hex')
diff --git a/packages/mtproxy/index.ts b/packages/mtproxy/index.ts
index 2e337f8b..75394bea 100644
--- a/packages/mtproxy/index.ts
+++ b/packages/mtproxy/index.ts
@@ -8,10 +8,10 @@ import {
     IPacketCodec,
     ObfuscatedPacketCodec,
     PaddedIntermediatePacketCodec,
-    parseUrlSafeBase64,
     tl,
     TransportState,
 } from '@mtcute/core'
+import { parseUrlSafeBase64 } from '@mtcute/core/utils'
 
 import { FakeTlsPacketCodec, generateFakeTlsHeader } from './fake-tls'
 
diff --git a/packages/sqlite/index.ts b/packages/sqlite/index.ts
index 9a5af938..446cafc4 100644
--- a/packages/sqlite/index.ts
+++ b/packages/sqlite/index.ts
@@ -4,11 +4,6 @@ import sqlite3, { Options } from 'better-sqlite3'
 
 import {
     ITelegramStorage,
-    Logger,
-    longFromFastString,
-    longToFastString,
-    LruMap,
-    throttle,
     tl,
     TlBinaryReader,
     TlBinaryWriter,
@@ -16,6 +11,13 @@ import {
     TlWriterMap,
     toggleChannelIdMark,
 } from '@mtcute/core'
+import {
+    Logger,
+    longFromFastString,
+    longToFastString,
+    LruMap,
+    throttle,
+} from '@mtcute/core/utils'
 import { IStateStorage } from '@mtcute/dispatcher'
 
 // todo: add testMode to "self"
diff --git a/packages/tl/scripts/fetch-api.ts b/packages/tl/scripts/fetch-api.ts
index 8aaf053d..8b79823b 100644
--- a/packages/tl/scripts/fetch-api.ts
+++ b/packages/tl/scripts/fetch-api.ts
@@ -9,7 +9,7 @@ import { readFile, writeFile } from 'fs/promises'
 import { join } from 'path'
 import * as readline from 'readline'
 
-import { hasPresentKey, isPresent } from '@mtcute/core'
+import { hasPresentKey, isPresent } from '@mtcute/core/utils'
 import {
     generateTlSchemasDifference,
     mergeTlEntries,
diff --git a/packages/tl/scripts/gen-rsa-keys.ts b/packages/tl/scripts/gen-rsa-keys.ts
index e68c2bc2..85294401 100644
--- a/packages/tl/scripts/gen-rsa-keys.ts
+++ b/packages/tl/scripts/gen-rsa-keys.ts
@@ -3,8 +3,7 @@ import { writeFile } from 'fs/promises'
 import { join } from 'path'
 import readline from 'readline'
 
-import { NodeCryptoProvider } from '@mtcute/core/src/utils/crypto'
-import { parsePublicKey } from '@mtcute/core/src/utils/crypto/keys'
+import { NodeCryptoProvider, parsePublicKey } from '@mtcute/core/utils'
 
 import { TlPublicKey } from '../binary/rsa-keys'
 import { ESM_PRELUDE } from './constants'