diff --git a/.mocharc.js b/.mocharc.js
index 35d19d6..cc57238 100644
--- a/.mocharc.js
+++ b/.mocharc.js
@@ -1,7 +1,6 @@
 'use strict';
 
 require("ts-node/register");
-require("tsconfig-paths/register");
 
 module.exports = {
   diff: true,
diff --git a/karma.conf.ts b/karma.conf.ts
index 78b5e06..8ee789f 100644
--- a/karma.conf.ts
+++ b/karma.conf.ts
@@ -1,4 +1,3 @@
-const path = require("path");
 // const webpack = require("webpack");
 
 // eslint-disable-next-line import/no-default-export
@@ -37,9 +36,6 @@ export default function configure(config: any) {
 
       resolve: {
         extensions: [".ts", ".tsx", ".mjs", ".js", ".json", ".wasm"],
-        alias: {
-          "@msgpack/msgpack": path.resolve(__dirname, "src"),
-        },
       },
       module: {
         rules: [
diff --git a/package-lock.json b/package-lock.json
index c2c6612..17a627b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -41,7 +41,6 @@
         "rimraf": "latest",
         "ts-loader": "latest",
         "ts-node": "latest",
-        "tsconfig-paths": "latest",
         "typescript": "latest",
         "webpack": "latest",
         "webpack-cli": "latest"
diff --git a/package.json b/package.json
index 2c53e9c..0bd13a4 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,6 @@
     "rimraf": "latest",
     "ts-loader": "latest",
     "ts-node": "latest",
-    "tsconfig-paths": "latest",
     "typescript": "latest",
     "webpack": "latest",
     "webpack-cli": "latest"
diff --git a/test/CachedKeyDecoder.test.ts b/test/CachedKeyDecoder.test.ts
index 09f5842..4e9dd06 100644
--- a/test/CachedKeyDecoder.test.ts
+++ b/test/CachedKeyDecoder.test.ts
@@ -1,6 +1,7 @@
 import assert from "assert";
-import { CachedKeyDecoder, KeyDecoder } from "../src/CachedKeyDecoder";
+import { CachedKeyDecoder } from "../src/CachedKeyDecoder";
 import { utf8EncodeJs, utf8Count } from "../src/utils/utf8";
+import type { KeyDecoder } from "../src/CachedKeyDecoder";
 
 function tryDecode(keyDecoder: KeyDecoder, str: string): string {
   const byteLength = utf8Count(str);
diff --git a/test/ExtensionCodec.test.ts b/test/ExtensionCodec.test.ts
index 6949b17..d53634b 100644
--- a/test/ExtensionCodec.test.ts
+++ b/test/ExtensionCodec.test.ts
@@ -1,6 +1,6 @@
 import assert from "assert";
 import util from "util";
-import { encode, decode, ExtensionCodec, decodeAsync } from "../src";
+import { encode, decode, ExtensionCodec, decodeAsync } from "../src/index";
 
 describe("ExtensionCodec", () => {
   context("timestamp", () => {
diff --git a/test/bigint64.test.ts b/test/bigint64.test.ts
index fabf0f5..e4ab68a 100644
--- a/test/bigint64.test.ts
+++ b/test/bigint64.test.ts
@@ -1,5 +1,5 @@
 import assert from "assert";
-import { encode, decode } from "../src";
+import { encode, decode } from "../src/index";
 
 describe("useBigInt64: true", () => {
   before(function () {
diff --git a/test/codec-bigint.test.ts b/test/codec-bigint.test.ts
index 4ed6aff..524bbf7 100644
--- a/test/codec-bigint.test.ts
+++ b/test/codec-bigint.test.ts
@@ -1,5 +1,5 @@
 import assert from "assert";
-import { encode, decode, ExtensionCodec, DecodeError } from "../src";
+import { encode, decode, ExtensionCodec, DecodeError } from "../src/index";
 
 // There's a built-in `useBigInt64: true` option, but a custom codec might be
 // better if you'd like to encode bigint to reduce the size of binaries.
diff --git a/test/codec-float.test.ts b/test/codec-float.test.ts
index 6b55df7..3b690dc 100644
--- a/test/codec-float.test.ts
+++ b/test/codec-float.test.ts
@@ -1,6 +1,6 @@
 import assert from "assert";
-import { decode } from "../src";
 import * as ieee754 from "ieee754";
+import { decode } from "../src/index";
 
 const FLOAT32_TYPE = 0xca;
 const FLOAT64_TYPE = 0xcb;
diff --git a/test/codec-timestamp.test.ts b/test/codec-timestamp.test.ts
index de4f707..1ee1432 100644
--- a/test/codec-timestamp.test.ts
+++ b/test/codec-timestamp.test.ts
@@ -7,7 +7,7 @@ import {
   decodeTimestampExtension,
   decodeTimestampToTimeSpec,
   encodeTimestampExtension,
-} from "../src";
+} from "../src/index";
 
 const TIME = 1556636810389;
 
diff --git a/test/decode-blob.test.ts b/test/decode-blob.test.ts
index 4c7c536..5fdb6c9 100644
--- a/test/decode-blob.test.ts
+++ b/test/decode-blob.test.ts
@@ -1,5 +1,5 @@
 import assert from "assert";
-import { encode, decode, decodeAsync } from "@msgpack/msgpack";
+import { encode, decode, decodeAsync } from "../src/index";
 
 (typeof Blob !== "undefined" ? describe : describe.skip)("Blob", () => {
   it("decodes it with `decode()`", async function () {
diff --git a/test/decode-max-length.test.ts b/test/decode-max-length.test.ts
index 7ee2e33..8a2eb56 100644
--- a/test/decode-max-length.test.ts
+++ b/test/decode-max-length.test.ts
@@ -1,6 +1,6 @@
 import assert from "assert";
-import { encode, decode, decodeAsync } from "../src";
-import type { DecoderOptions } from "../src";
+import { encode, decode, decodeAsync } from "../src/index";
+import type { DecoderOptions } from "../src/index";
 
 describe("decode with max${Type}Length specified", () => {
   async function* createStream<T>(input: T) {
diff --git a/test/decode-raw-strings.test.ts b/test/decode-raw-strings.test.ts
index cdaaa1b..dc5f89b 100644
--- a/test/decode-raw-strings.test.ts
+++ b/test/decode-raw-strings.test.ts
@@ -1,6 +1,6 @@
 import assert from "assert";
-import { encode, decode } from "../src";
-import type { DecoderOptions } from "../src";
+import { encode, decode } from "../src/index";
+import type { DecoderOptions } from "../src/index";
 
 describe("decode with rawStrings specified", () => {
   const options = { rawStrings: true } satisfies DecoderOptions;
diff --git a/test/decodeArrayStream.test.ts b/test/decodeArrayStream.test.ts
index 0486101..f91b12e 100644
--- a/test/decodeArrayStream.test.ts
+++ b/test/decodeArrayStream.test.ts
@@ -1,5 +1,5 @@
 import assert from "assert";
-import { encode, decodeArrayStream } from "../src";
+import { encode, decodeArrayStream } from "../src/index";
 
 describe("decodeArrayStream", () => {
   const generateSampleObject = () => {
diff --git a/test/decodeAsync.test.ts b/test/decodeAsync.test.ts
index 0e8d901..99b46f6 100644
--- a/test/decodeAsync.test.ts
+++ b/test/decodeAsync.test.ts
@@ -1,5 +1,5 @@
 import assert from "assert";
-import { encode, decodeAsync } from "../src";
+import { encode, decodeAsync } from "../src/index";
 
 describe("decodeAsync", () => {
   function wrapWithNoisyBuffer(byte: number) {
diff --git a/test/decodeMulti.test.ts b/test/decodeMulti.test.ts
index 346d15c..f5b96e1 100644
--- a/test/decodeMulti.test.ts
+++ b/test/decodeMulti.test.ts
@@ -1,5 +1,5 @@
 import assert from "assert";
-import { encode, decodeMulti } from "@msgpack/msgpack";
+import { encode, decodeMulti } from "../src/index";
 
 describe("decodeMulti", () => {
   it("decodes multiple objects in a single binary", () => {
diff --git a/test/decodeMultiStream.test.ts b/test/decodeMultiStream.test.ts
index cef9d6e..b88dd12 100644
--- a/test/decodeMultiStream.test.ts
+++ b/test/decodeMultiStream.test.ts
@@ -1,5 +1,5 @@
 import assert from "assert";
-import { encode, decodeMultiStream } from "@msgpack/msgpack";
+import { encode, decodeMultiStream } from "../src/index";
 
 describe("decodeStream", () => {
   it("decodes stream", async () => {
diff --git a/test/edge-cases.test.ts b/test/edge-cases.test.ts
index ca4ad51..642df22 100644
--- a/test/edge-cases.test.ts
+++ b/test/edge-cases.test.ts
@@ -1,7 +1,7 @@
 // kind of hand-written fuzzing data
 // any errors should not break Encoder/Decoder instance states
 import assert from "assert";
-import { encode, decodeAsync, decode, Encoder, Decoder, decodeMulti, decodeMultiStream } from "../src";
+import { encode, decodeAsync, decode, Encoder, Decoder, decodeMulti, decodeMultiStream } from "../src/index";
 import { DataViewIndexOutOfBoundsError } from "../src/Decoder";
 
 function testEncoder(encoder: Encoder): void {
diff --git a/test/encode.test.ts b/test/encode.test.ts
index d2679d5..2167276 100644
--- a/test/encode.test.ts
+++ b/test/encode.test.ts
@@ -1,5 +1,5 @@
 import assert from "assert";
-import { encode, decode } from "@msgpack/msgpack";
+import { encode, decode } from "../src/index";
 
 describe("encode", () => {
   context("sortKeys", () => {
diff --git a/test/msgpack-ext.test.ts b/test/msgpack-ext.test.ts
index 73a536a..a884f5c 100644
--- a/test/msgpack-ext.test.ts
+++ b/test/msgpack-ext.test.ts
@@ -1,5 +1,5 @@
 import assert from "assert";
-import { encode, decode, ExtData } from "../src";
+import { encode, decode, ExtData } from "../src/index";
 
 function seq(n: number) {
   const a: Array<number> = [];
diff --git a/test/msgpack-test-suite.test.ts b/test/msgpack-test-suite.test.ts
index 6800973..94c841e 100644
--- a/test/msgpack-test-suite.test.ts
+++ b/test/msgpack-test-suite.test.ts
@@ -2,7 +2,7 @@ import assert from "assert";
 import util from "util";
 import { Exam } from "msgpack-test-js";
 import { MsgTimestamp } from "msg-timestamp";
-import { encode, decode, ExtensionCodec, EXT_TIMESTAMP, encodeTimeSpecToTimestamp } from "@msgpack/msgpack";
+import { encode, decode, ExtensionCodec, EXT_TIMESTAMP, encodeTimeSpecToTimestamp } from "../src/index";
 
 const extensionCodec = new ExtensionCodec();
 extensionCodec.register({
diff --git a/test/prototype-pollution.test.ts b/test/prototype-pollution.test.ts
index bc15b63..78238c0 100644
--- a/test/prototype-pollution.test.ts
+++ b/test/prototype-pollution.test.ts
@@ -1,5 +1,5 @@
 import { throws } from "assert";
-import { encode, decode, DecodeError } from "@msgpack/msgpack";
+import { encode, decode, DecodeError } from "../src/index";
 
 describe("prototype pollution", () => {
   context("__proto__ exists as a map key", () => {
diff --git a/test/readme.test.ts b/test/readme.test.ts
index fea8123..0ee9fd5 100644
--- a/test/readme.test.ts
+++ b/test/readme.test.ts
@@ -1,5 +1,5 @@
 import { deepStrictEqual } from "assert";
-import { encode, decode } from "@msgpack/msgpack";
+import { encode, decode } from "../src/index";
 
 describe("README", () => {
   context("## Synopsis", () => {
diff --git a/test/reuse-instances.test.ts b/test/reuse-instances.test.ts
index 29a0b78..8f1cee1 100644
--- a/test/reuse-instances.test.ts
+++ b/test/reuse-instances.test.ts
@@ -1,5 +1,5 @@
 import { deepStrictEqual } from "assert";
-import { Encoder, Decoder, decode } from "@msgpack/msgpack";
+import { Encoder, Decoder, decode } from "../src/index";
 
 const createStream = async function* (...args: any) {
   for (const item of args) {
diff --git a/test/whatwg-streams.test.ts b/test/whatwg-streams.test.ts
index 7a83805..ac2ae6a 100644
--- a/test/whatwg-streams.test.ts
+++ b/test/whatwg-streams.test.ts
@@ -1,5 +1,5 @@
 import { deepStrictEqual } from "assert";
-import { decodeAsync, encode, decodeArrayStream } from "@msgpack/msgpack";
+import { decodeAsync, encode, decodeArrayStream } from "../src/index";
 
 const isReadableStreamConstructorAvailable: boolean = (() => {
   try {
diff --git a/tsconfig.json b/tsconfig.json
index c62b0b1..72ea80a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -45,9 +45,9 @@
     /* Module Resolution Options */
     "moduleResolution": "node",            /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
     "baseUrl": "./",                       /* Base directory to resolve non-absolute module names. */
-    "paths": {
-      "@msgpack/msgpack": ["./src"]
-    },                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
+    // "paths": {
+    //   "@msgpack/msgpack": ["./src"]
+    // },                           /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
     // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
     // "typeRoots": [],                       /* List of folders to include type definitions from. */
     // "types": [],                           /* Type declaration files to be included in compilation. */