diff --git a/package-lock.json b/package-lock.json
index 5b252cbbc..678956e8c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -91,7 +91,6 @@
         "less-loader": "^12.1.0",
         "lint-staged": "^15.2.0",
         "mini-css-extract-plugin": "^2.7.7",
-        "mockdate": "^3.0.5",
         "null-loader": "^4.0.1",
         "patch-package": "^8.0.0",
         "postcss": "^8.4.33",
@@ -1651,6 +1650,10 @@
       "resolved": "packages/test-env-server",
       "link": true
     },
+    "node_modules/@keybr/test-env-time": {
+      "resolved": "packages/test-env-clock",
+      "link": true
+    },
     "node_modules/@keybr/textinput": {
       "resolved": "packages/keybr-textinput",
       "link": true
@@ -8573,12 +8576,6 @@
       "resolved": "https://registry.npmjs.org/mkdirp-classic/-/mkdirp-classic-0.5.3.tgz",
       "integrity": "sha512-gKLcREMhtuZRwRAfqP3RFW+TK4JqApVBtOIftVgjuABpAtpxhPGaDcfvbhNvD0B8iD1oUr/txX35NjcaY6Ns/A=="
     },
-    "node_modules/mockdate": {
-      "version": "3.0.5",
-      "resolved": "https://registry.npmjs.org/mockdate/-/mockdate-3.0.5.tgz",
-      "integrity": "sha512-iniQP4rj1FhBdBYS/+eQv7j1tadJ9lJtdzgOpvsOHng/GbcDh2Fhdeq+ZRldrPYdXvCyfFUmFeEwEGXZB5I/AQ==",
-      "dev": true
-    },
     "node_modules/mrmime": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/mrmime/-/mrmime-2.0.0.tgz",
@@ -13514,7 +13511,9 @@
         "@keybr/publicid": "*",
         "@keybr/rand": "*"
       },
-      "devDependencies": {}
+      "devDependencies": {
+        "@keybr/test-env-time": "*"
+      }
     },
     "packages/keybr-debug": {
       "name": "@keybr/debug",
@@ -13537,7 +13536,9 @@
         "@keybr/keyboard": "*",
         "@keybr/result": "*"
       },
-      "devDependencies": {}
+      "devDependencies": {
+        "@keybr/test-env-time": "*"
+      }
     },
     "packages/keybr-identicon": {
       "name": "@keybr/identicon",
@@ -13671,7 +13672,9 @@
         "@keybr/textinput": "*",
         "@keybr/timer": "*"
       },
-      "devDependencies": {}
+      "devDependencies": {
+        "@keybr/test-env-time": "*"
+      }
     },
     "packages/keybr-multiplayer-shared": {
       "name": "@keybr/multiplayer-shared",
@@ -13696,7 +13699,6 @@
         "@keybr/textinput": "*",
         "@keybr/textinput-events": "*",
         "@keybr/textinput-ui": "*",
-        "@keybr/timer": "*",
         "@keybr/widget": "*"
       },
       "devDependencies": {}
@@ -13712,7 +13714,9 @@
     "packages/keybr-oauth": {
       "name": "@keybr/oauth",
       "version": "0.0.0",
-      "devDependencies": {}
+      "devDependencies": {
+        "@keybr/test-env-time": "*"
+      }
     },
     "packages/keybr-pages-browser": {
       "name": "@keybr/pages-browser",
@@ -14211,6 +14215,11 @@
       "version": "0.0.0",
       "devDependencies": {}
     },
+    "packages/test-env-clock": {
+      "name": "@keybr/test-env-time",
+      "version": "0.0.0",
+      "devDependencies": {}
+    },
     "packages/test-env-server": {
       "name": "@keybr/test-env-server",
       "version": "0.0.0",
diff --git a/package.json b/package.json
index 10836e853..8a53b5be6 100644
--- a/package.json
+++ b/package.json
@@ -107,7 +107,6 @@
     "less-loader": "^12.1.0",
     "lint-staged": "^15.2.0",
     "mini-css-extract-plugin": "^2.7.7",
-    "mockdate": "^3.0.5",
     "null-loader": "^4.0.1",
     "patch-package": "^8.0.0",
     "postcss": "^8.4.33",
diff --git a/packages/keybr-database/lib/model.test.ts b/packages/keybr-database/lib/model.test.ts
index 9ab249517..5aabce113 100644
--- a/packages/keybr-database/lib/model.test.ts
+++ b/packages/keybr-database/lib/model.test.ts
@@ -1,7 +1,7 @@
 import { newKnex } from "@keybr/config";
 import { PublicId } from "@keybr/publicid";
+import { fake } from "@keybr/test-env-time";
 import test from "ava";
-import MockDate from "mockdate";
 import { ValidationError } from "objection";
 import { User, UserExternalId, UserLoginRequest } from "./model.ts";
 import { createSchema } from "./schema.ts";
@@ -17,11 +17,11 @@ test.beforeEach(async () => {
 });
 
 test.beforeEach(() => {
-  MockDate.set(now);
+  fake.date.set(now);
 });
 
 test.afterEach(() => {
-  MockDate.reset();
+  fake.date.reset();
 });
 
 test("validate models", (t) => {
diff --git a/packages/keybr-database/package.json b/packages/keybr-database/package.json
index 665b1d2e7..3234f7746 100644
--- a/packages/keybr-database/package.json
+++ b/packages/keybr-database/package.json
@@ -12,7 +12,9 @@
     "@keybr/publicid": "*",
     "@keybr/rand": "*"
   },
-  "devDependencies": {},
+  "devDependencies": {
+    "@keybr/test-env-time": "*"
+  },
   "scripts": {
     "clean": "rm -fr .types",
     "compile": "tsc",
diff --git a/packages/keybr-highscores/lib/factory.test.ts b/packages/keybr-highscores/lib/factory.test.ts
index 908648e73..a60949645 100644
--- a/packages/keybr-highscores/lib/factory.test.ts
+++ b/packages/keybr-highscores/lib/factory.test.ts
@@ -1,9 +1,9 @@
 import { DataDir } from "@keybr/config";
 import { Layout } from "@keybr/keyboard";
 import { ResultFaker } from "@keybr/result";
+import { fake } from "@keybr/test-env-time";
 import { removeDir } from "@sosimple/fsx";
 import test from "ava";
-import MockDate from "mockdate";
 import { HighScoresFactory } from "./factory.ts";
 import { type HighScoresRow } from "./highscores.ts";
 
@@ -16,11 +16,11 @@ test.beforeEach(async () => {
 });
 
 test.beforeEach(() => {
-  MockDate.set(now);
+  fake.date.set(now);
 });
 
 test.afterEach(() => {
-  MockDate.reset();
+  fake.date.reset();
 });
 
 test.afterEach(async () => {
diff --git a/packages/keybr-highscores/lib/highscores.test.ts b/packages/keybr-highscores/lib/highscores.test.ts
index 3863bbbe3..b5dac3eaf 100644
--- a/packages/keybr-highscores/lib/highscores.test.ts
+++ b/packages/keybr-highscores/lib/highscores.test.ts
@@ -1,6 +1,6 @@
 import { Layout } from "@keybr/keyboard";
+import { fake } from "@keybr/test-env-time";
 import test from "ava";
-import MockDate from "mockdate";
 import { HighScores, type HighScoresRow } from "./highscores.ts";
 
 const now = new Date("2001-02-03T04:05:06Z");
@@ -18,11 +18,11 @@ const template: HighScoresRow = {
 };
 
 test.beforeEach(() => {
-  MockDate.set(now);
+  fake.date.set(now);
 });
 
 test.afterEach(() => {
-  MockDate.reset();
+  fake.date.reset();
 });
 
 test("do not insert if result is old", (t) => {
diff --git a/packages/keybr-highscores/package.json b/packages/keybr-highscores/package.json
index d895e3d4c..a7133fe1f 100644
--- a/packages/keybr-highscores/package.json
+++ b/packages/keybr-highscores/package.json
@@ -9,7 +9,9 @@
     "@keybr/keyboard": "*",
     "@keybr/result": "*"
   },
-  "devDependencies": {},
+  "devDependencies": {
+    "@keybr/test-env-time": "*"
+  },
   "scripts": {
     "clean": "rm -fr .types",
     "compile": "tsc",
diff --git a/packages/keybr-multiplayer-server/lib/room.test.ts b/packages/keybr-multiplayer-server/lib/room.test.ts
index e9524288b..f7be79e2f 100644
--- a/packages/keybr-multiplayer-server/lib/room.test.ts
+++ b/packages/keybr-multiplayer-server/lib/room.test.ts
@@ -12,12 +12,8 @@ import {
   type PlayerState,
 } from "@keybr/multiplayer-shared";
 import { type AnonymousUser } from "@keybr/pages-shared";
+import { fake } from "@keybr/test-env-time";
 import { Timer } from "@keybr/timer";
-import {
-  resetFakeTimers,
-  runTimers,
-  setFakeTimers,
-} from "@keybr/timer/lib/fake.ts";
 import test from "ava";
 import { Game } from "./game.ts";
 import { Player } from "./player.ts";
@@ -26,12 +22,12 @@ import { Services } from "./services.ts";
 import { FakeSession } from "./testing/fake-session.ts";
 
 test.beforeEach(() => {
-  setFakeTimers();
+  fake.timers.set();
   Timer.now = () => 0;
 });
 
 test.afterEach(() => {
-  resetFakeTimers();
+  fake.timers.reset();
   Timer.now = () => 0;
 });
 
@@ -48,13 +44,13 @@ test.serial("join and start", async (t) => {
 
   player0.join(room);
   player0.onMessage({ type: PLAYER_ANNOUNCE_ID, signature: 0xdeadbabe });
-  await runTimers();
+  await fake.timers.run();
   t.is(player0.room, room);
   t.is(player1.room, null);
 
   player1.join(room);
   player1.onMessage({ type: PLAYER_ANNOUNCE_ID, signature: 0xdeadbabe });
-  await runTimers();
+  await fake.timers.run();
   t.is(player0.room, room);
   t.is(player1.room, room);
 
@@ -301,31 +297,31 @@ test.serial("join and leave", async (t) => {
 
   // Player 0 joins room 0.
   player0.join(room0);
-  await runTimers();
+  await fake.timers.run();
   t.is(player0.room, room0);
   t.is(player1.room, null);
 
   // Repeat again.
   player0.join(room0);
-  await runTimers();
+  await fake.timers.run();
   t.is(player0.room, room0);
   t.is(player1.room, null);
 
   // Player 1 joins room 0.
   room0.join(player1);
-  await runTimers();
+  await fake.timers.run();
   t.is(player0.room, room0);
   t.is(player1.room, room0);
 
   // Repeat again.
   room0.join(player1);
-  await runTimers();
+  await fake.timers.run();
   t.is(player0.room, room0);
   t.is(player1.room, room0);
 
   // Joint another room.
   room1.join(player1);
-  await runTimers();
+  await fake.timers.run();
   t.is(player0.room, room0);
   t.is(player1.room, room1);
 
diff --git a/packages/keybr-multiplayer-server/package.json b/packages/keybr-multiplayer-server/package.json
index 33eb7df57..8c25bd6ba 100644
--- a/packages/keybr-multiplayer-server/package.json
+++ b/packages/keybr-multiplayer-server/package.json
@@ -11,7 +11,9 @@
     "@keybr/textinput": "*",
     "@keybr/timer": "*"
   },
-  "devDependencies": {},
+  "devDependencies": {
+    "@keybr/test-env-time": "*"
+  },
   "scripts": {
     "clean": "rm -fr .types",
     "compile": "tsc",
diff --git a/packages/keybr-multiplayer-ui/package.json b/packages/keybr-multiplayer-ui/package.json
index ee57cf51c..c6d40882b 100644
--- a/packages/keybr-multiplayer-ui/package.json
+++ b/packages/keybr-multiplayer-ui/package.json
@@ -13,7 +13,6 @@
     "@keybr/textinput": "*",
     "@keybr/textinput-events": "*",
     "@keybr/textinput-ui": "*",
-    "@keybr/timer": "*",
     "@keybr/widget": "*"
   },
   "devDependencies": {},
diff --git a/packages/keybr-oauth/lib/token.test.ts b/packages/keybr-oauth/lib/token.test.ts
index 9d586ec1d..788142b22 100644
--- a/packages/keybr-oauth/lib/token.test.ts
+++ b/packages/keybr-oauth/lib/token.test.ts
@@ -1,17 +1,13 @@
+import { fake } from "@keybr/test-env-time";
 import test from "ava";
-import MockDate from "mockdate";
 import { AccessToken } from "./token.ts";
 
-test.beforeEach(() => {
-  MockDate.reset();
-});
-
 test.afterEach(() => {
-  MockDate.reset();
+  fake.date.reset();
 });
 
 test("construct token from response", (t) => {
-  MockDate.set(new Date("2001-02-03T04:05:06Z"));
+  fake.date.set(new Date("2001-02-03T04:05:06Z"));
 
   const token = new AccessToken({
     access_token: "token",
@@ -31,7 +27,7 @@ test("construct token from response", (t) => {
 });
 
 test("check expired", (t) => {
-  MockDate.set(new Date("2001-01-01T00:00:00Z"));
+  fake.date.set(new Date("2001-01-01T00:00:00Z"));
 
   const token = new AccessToken({
     access_token: "token",
@@ -41,19 +37,19 @@ test("check expired", (t) => {
 
   t.false(token.expired());
 
-  MockDate.set(new Date("2001-01-01T00:58:59Z"));
+  fake.date.set(new Date("2001-01-01T00:58:59Z"));
 
   t.false(token.expired());
   t.false(token.expired(60));
   t.false(token.expired(0));
 
-  MockDate.set(new Date("2001-01-01T00:59:00Z"));
+  fake.date.set(new Date("2001-01-01T00:59:00Z"));
 
   t.true(token.expired());
   t.true(token.expired(60));
   t.false(token.expired(0));
 
-  MockDate.set(new Date("2001-01-01T01:00:00Z"));
+  fake.date.set(new Date("2001-01-01T01:00:00Z"));
 
   t.true(token.expired());
   t.true(token.expired(0));
diff --git a/packages/keybr-oauth/package.json b/packages/keybr-oauth/package.json
index 1f1a44395..e5996d2d0 100644
--- a/packages/keybr-oauth/package.json
+++ b/packages/keybr-oauth/package.json
@@ -5,7 +5,9 @@
   "main": "lib/index.ts",
   "types": ".types/index.d.ts",
   "dependencies": {},
-  "devDependencies": {},
+  "devDependencies": {
+    "@keybr/test-env-time": "*"
+  },
   "scripts": {
     "clean": "rm -fr .types",
     "compile": "tsc",
diff --git a/packages/keybr-timer/lib/fake.ts b/packages/keybr-timer/lib/fake.ts
deleted file mode 100644
index a0260ebfe..000000000
--- a/packages/keybr-timer/lib/fake.ts
+++ /dev/null
@@ -1,140 +0,0 @@
-import assert from "node:assert";
-
-type Global = {
-  setTimeout: unknown;
-  clearTimeout: unknown;
-  setInterval: unknown;
-  clearInterval: unknown;
-};
-
-const realSetTimeout = (global as Global).setTimeout;
-const realClearTimeout = (global as Global).clearTimeout;
-const realSetInterval = (global as Global).setInterval;
-const realClearInterval = (global as Global).clearInterval;
-
-class Task {
-  cancelled = false;
-
-  constructor(
-    readonly timeout: Timeout,
-    readonly ms: number,
-    readonly callback: (...args: unknown[]) => void,
-    readonly args: unknown[],
-  ) {}
-
-  cancel(): void {
-    this.cancelled = true;
-  }
-
-  run(): void {
-    if (!this.cancelled) {
-      this.callback.apply(null, this.args);
-    }
-  }
-}
-
-class Timeout {
-  hasRef(): boolean {
-    return false;
-  }
-
-  ref(): this {
-    return this;
-  }
-
-  unref(): this {
-    return this;
-  }
-
-  refresh(): this {
-    return this;
-  }
-
-  [Symbol.toPrimitive](): number {
-    return 0;
-  }
-}
-
-const tasks = new Map<Timeout, Task>();
-
-function fakeSetTimeout(
-  callback: (...args: unknown[]) => void,
-  ms: number = 0,
-  ...args: unknown[]
-): Timeout {
-  assert(typeof callback === "function");
-  assert(typeof ms === "number");
-  assert(ms >= 0);
-  const timeout = new Timeout();
-  tasks.set(timeout, new Task(timeout, ms, callback, args));
-  return timeout;
-}
-
-function fakeClearTimeout(timeout: Timeout): void {
-  assert(timeout instanceof Timeout);
-  const task = tasks.get(timeout);
-  if (task != null) {
-    tasks.delete(timeout);
-    task.cancel();
-  }
-}
-
-function fakeSetInterval(
-  callback: (...args: unknown[]) => void,
-  ms: number = 0,
-  ...args: unknown[]
-): Timeout {
-  assert(typeof callback === "function");
-  assert(typeof ms === "number");
-  assert(ms >= 0);
-  const timeout = new Timeout();
-  tasks.set(timeout, new Task(timeout, ms, callback, args));
-  return timeout;
-}
-
-function fakeClearInterval(timeout: Timeout): void {
-  assert(timeout instanceof Timeout);
-  const task = tasks.get(timeout);
-  if (task != null) {
-    tasks.delete(timeout);
-    task.cancel();
-  }
-}
-
-export function setFakeTimers(): void {
-  (global as Global).setTimeout = fakeSetTimeout;
-  (global as Global).clearTimeout = fakeClearTimeout;
-  (global as Global).setInterval = fakeSetInterval;
-  (global as Global).clearInterval = fakeClearInterval;
-}
-
-export function resetFakeTimers(): void {
-  (global as Global).setTimeout = realSetTimeout;
-  (global as Global).clearTimeout = realClearTimeout;
-  (global as Global).setInterval = realSetInterval;
-  (global as Global).clearInterval = realClearInterval;
-}
-
-export async function runTimers(all: boolean = true): Promise<number> {
-  return new Promise<number>((resolve, reject) => {
-    // First round of tasks.
-    let copy = [...tasks.values()];
-    while (copy.length > 0) {
-      for (const task of copy) {
-        try {
-          task.run();
-        } catch (err) {
-          reject(err);
-          return;
-        }
-        tasks.delete(task.timeout);
-      }
-      // Next round of tasks.
-      copy = [...tasks.values()];
-      if (!all) {
-        break;
-      }
-    }
-    resolve(copy.length);
-  });
-}
diff --git a/packages/test-env-clock/lib/date.ts b/packages/test-env-clock/lib/date.ts
new file mode 100644
index 000000000..4d3b6bfc5
--- /dev/null
+++ b/packages/test-env-clock/lib/date.ts
@@ -0,0 +1,36 @@
+import assert from "node:assert";
+import { real } from "./real.ts";
+
+const fake = {
+  Date(time: number) {
+    function now() {
+      return time;
+    }
+
+    return new Proxy(real.Date, {
+      construct(target: any, args: any[]): object {
+        if (args.length === 0) {
+          return new real.Date(time); // Magic.
+        }
+        return Reflect.construct(target, args);
+      },
+      get(target: any, p: string | symbol): any {
+        if (p === "now") {
+          return now; // Magic.
+        }
+        return Reflect.get(target, p);
+      },
+    });
+  },
+};
+
+export const date = {
+  set(date: number | string | Date): void {
+    const time = new real.Date(date).getTime();
+    assert(time >= 0);
+    global.Date = fake.Date(time);
+  },
+  reset(): void {
+    global.Date = real.Date;
+  },
+};
diff --git a/packages/test-env-clock/lib/index.ts b/packages/test-env-clock/lib/index.ts
new file mode 100644
index 000000000..3696c97fa
--- /dev/null
+++ b/packages/test-env-clock/lib/index.ts
@@ -0,0 +1,9 @@
+import { date } from "./date.ts";
+import { timers } from "./timers.ts";
+
+export { real, reset } from "./real.ts";
+
+export const fake = {
+  date,
+  timers,
+};
diff --git a/packages/test-env-clock/lib/real.ts b/packages/test-env-clock/lib/real.ts
new file mode 100644
index 000000000..ae67f425d
--- /dev/null
+++ b/packages/test-env-clock/lib/real.ts
@@ -0,0 +1,23 @@
+export const global = globalThis as {
+  Date: DateConstructor;
+  setTimeout: typeof setTimeout;
+  clearTimeout: typeof clearTimeout;
+  setInterval: typeof setInterval;
+  clearInterval: typeof clearInterval;
+};
+
+export const real = {
+  Date,
+  setTimeout,
+  clearTimeout,
+  setInterval,
+  clearInterval,
+};
+
+export function reset(): void {
+  global.Date = real.Date;
+  global.setTimeout = real.setTimeout;
+  global.clearTimeout = real.clearTimeout;
+  global.setInterval = real.setInterval;
+  global.clearInterval = real.clearInterval;
+}
diff --git a/packages/test-env-clock/lib/timers.ts b/packages/test-env-clock/lib/timers.ts
new file mode 100644
index 000000000..bfb68511c
--- /dev/null
+++ b/packages/test-env-clock/lib/timers.ts
@@ -0,0 +1,126 @@
+import assert from "node:assert";
+import { real } from "./real.ts";
+
+class Task {
+  static id = 0;
+
+  id = (Task.id += 1);
+  cancelled = false;
+
+  constructor(
+    readonly ms: number,
+    readonly callback: (...args: unknown[]) => void,
+    readonly args: unknown[],
+  ) {}
+
+  cancel(): void {
+    this.cancelled = true;
+  }
+
+  run(): void {
+    if (!this.cancelled) {
+      this.callback.apply(null, this.args);
+    }
+  }
+
+  hasRef(): boolean {
+    return false;
+  }
+
+  ref(): this {
+    return this;
+  }
+
+  unref(): this {
+    return this;
+  }
+
+  refresh(): this {
+    return this;
+  }
+
+  [Symbol.toPrimitive](): number {
+    return this.id;
+  }
+}
+
+const tasks: Task[] = [];
+
+const fake = {
+  setTimeout: new Proxy(real.setTimeout, {
+    apply(target: any, thisArg: any, args: any[]): any {
+      console.assert(args.length >= 2);
+      const [callback, ms, ...rest] = args;
+      assert(typeof callback === "function");
+      assert(typeof ms === "number");
+      assert(ms >= 0);
+      const task = new Task(ms, callback, rest);
+      tasks.push(task);
+      return task;
+    },
+  }),
+  clearTimeout: new Proxy(real.clearTimeout, {
+    apply(target: any, thisArg: any, args: any[]): any {
+      console.assert(args.length === 1);
+      const [task] = args;
+      assert(task instanceof Task);
+      task.cancel();
+    },
+  }),
+  setInterval: new Proxy(real.setInterval, {
+    apply(target: any, thisArg: any, args: any[]): any {
+      console.assert(args.length >= 2);
+      const [callback, ms, ...rest] = args;
+      assert(typeof callback === "function");
+      assert(typeof ms === "number");
+      assert(ms >= 0);
+      const task = new Task(ms, callback, rest);
+      tasks.push(task);
+      return task;
+    },
+  }),
+  clearInterval: new Proxy(real.clearInterval, {
+    apply(target: any, thisArg: any, args: any[]): any {
+      console.assert(args.length === 1);
+      const [task] = args;
+      assert(task instanceof Task);
+      task.cancel();
+    },
+  }),
+};
+
+export const timers = {
+  set(): void {
+    global.setTimeout = fake.setTimeout;
+    global.clearTimeout = fake.clearTimeout;
+    global.setInterval = fake.setInterval;
+    global.clearInterval = fake.clearInterval;
+  },
+  reset(): void {
+    global.setTimeout = real.setTimeout;
+    global.clearTimeout = real.clearTimeout;
+    global.setInterval = real.setInterval;
+    global.clearInterval = real.clearInterval;
+  },
+  get pending(): number {
+    return tasks.length;
+  },
+  clear(): void {
+    tasks.length = 0;
+  },
+  async run(): Promise<void> {
+    return new Promise((resolve, reject) => {
+      while (tasks.length > 0) {
+        const task = tasks.shift() as Task;
+        try {
+          task.run();
+        } catch (err) {
+          console.error(err);
+          reject(err);
+          return;
+        }
+      }
+      resolve();
+    });
+  },
+};
diff --git a/packages/test-env-clock/package.json b/packages/test-env-clock/package.json
new file mode 100644
index 000000000..b54198748
--- /dev/null
+++ b/packages/test-env-clock/package.json
@@ -0,0 +1,13 @@
+{
+  "private": true,
+  "name": "@keybr/test-env-time",
+  "version": "0.0.0",
+  "main": "lib/index.ts",
+  "types": ".types/index.d.ts",
+  "dependencies": {},
+  "devDependencies": {},
+  "scripts": {
+    "clean": "rm -fr .types",
+    "compile": "tsc"
+  }
+}
diff --git a/packages/test-env-clock/tsconfig.json b/packages/test-env-clock/tsconfig.json
new file mode 100644
index 000000000..649ce299f
--- /dev/null
+++ b/packages/test-env-clock/tsconfig.json
@@ -0,0 +1,11 @@
+{
+  "extends": "../tsconfig-template.json",
+  "compilerOptions": {
+    "rootDir": "lib",
+    "outDir": ".types",
+    "emitDeclarationOnly": true
+  },
+  "include": [
+    "lib/**/*"
+  ]
+}