diff --git a/package.json b/package.json
index e4dc616..6b81d36 100644
--- a/package.json
+++ b/package.json
@@ -55,7 +55,6 @@
     "@antfu/eslint-config-ts": "^0.38.4",
     "@types/node": "^18.15.11",
     "bumpp": "^9.1.0",
-    "date-fns": "^2.29.3",
     "eslint": "^8.37.0",
     "lint-staged": "^13.2.0",
     "simple-git-hooks": "^2.8.1",
diff --git a/tests/date.test.ts b/tests/date.test.ts
index 9c0468c..104c215 100644
--- a/tests/date.test.ts
+++ b/tests/date.test.ts
@@ -1,6 +1,5 @@
 import { describe, test } from 'vitest';
 import { z } from 'zod';
-import { endOfTomorrow, endOfYesterday } from 'date-fns';
 import { expect } from './utils/expect';
 
 describe('Date', () => {
@@ -10,12 +9,22 @@ describe('Date', () => {
     expect(schema);
   });
   test('min', () => {
-    const schema = z.date().min(endOfTomorrow());
+    const now = new Date();
+    const endOfTomorrow = new Date(0);
+    endOfTomorrow.setFullYear(now.getFullYear(), now.getMonth(), now.getDate() + 1);
+    endOfTomorrow.setHours(23, 59, 59, 999);
+
+    const schema = z.date().min(endOfTomorrow);
 
     expect(schema);
   });
   test('max', () => {
-    const schema = z.date().max(endOfYesterday());
+    const now = new Date();
+    const endOfYesterday = new Date(0);
+    endOfYesterday.setFullYear(now.getFullYear(), now.getMonth(), now.getDate() - 1);
+    endOfYesterday.setHours(23, 59, 59, 999);
+
+    const schema = z.date().max(endOfYesterday);
 
     expect(schema);
   });
diff --git a/yarn.lock b/yarn.lock
index c676fa0..1a14bb8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1102,11 +1102,6 @@ cross-spawn@^7.0.2, cross-spawn@^7.0.3:
     shebang-command "^2.0.0"
     which "^2.0.1"
 
-date-fns@^2.29.3:
-  version "2.29.3"
-  resolved "https://registry.yarnpkg.com/date-fns/-/date-fns-2.29.3.tgz#27402d2fc67eb442b511b70bbdf98e6411cd68a8"
-  integrity sha512-dDCnyH2WnnKusqvZZ6+jA1O51Ibt8ZMRNkDZdyAyK4YfbDwa/cEmuztzG5pk6hqlp9aSBPYcjOlktquahGwGeA==
-
 debug@4, debug@^4.0.0, debug@^4.1.0, debug@^4.1.1, debug@^4.3.2, debug@^4.3.4:
   version "4.3.4"
   resolved "https://registry.yarnpkg.com/debug/-/debug-4.3.4.tgz#1319f6579357f2338d3337d2cdd4914bb5dcc865"