diff --git a/src/config.ts b/src/config.ts
index 63f93f1..763a1bf 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -2,7 +2,6 @@ export interface Config {
   port: number;
   host: string;
   jwtSecret: string;
-  jwtExpiry: string;
   dbPath: string;
   uploadDir: string;
   logFile: string;
@@ -28,7 +27,6 @@ export function loadConfig(): Config {
     port: parseInt(process.env.PORT ?? '3000', 10),
     host: process.env.HOST ?? '0.0.0.0',
     jwtSecret,
-    jwtExpiry: process.env.JWT_EXPIRY ?? '7d',
     dbPath: process.env.DB_PATH ?? './data/nanodrop.db',
     uploadDir: process.env.UPLOAD_DIR ?? './data/uploads',
     logFile: process.env.LOG_FILE ?? './data/nanodrop.log',
diff --git a/tests/helpers/setup.ts b/tests/helpers/setup.ts
index 2c466b1..fa9c1d4 100644
--- a/tests/helpers/setup.ts
+++ b/tests/helpers/setup.ts
@@ -67,7 +67,6 @@ export function createTestApp(overrides: Partial<Config> = {}): TestContext {
     port: 0,
     host: '127.0.0.1',
     jwtSecret: 'test-secret-key',
-    jwtExpiry: '1h',
     dbPath: ':memory:',
     uploadDir,
     logFile,
diff --git a/tests/unit/config.test.ts b/tests/unit/config.test.ts
index f0b80e9..fc4fa07 100644
--- a/tests/unit/config.test.ts
+++ b/tests/unit/config.test.ts
@@ -15,7 +15,6 @@ describe('config', () => {
     process.env.JWT_SECRET = 'test-secret';
     delete process.env.PORT;
     delete process.env.HOST;
-    delete process.env.JWT_EXPIRY;
     delete process.env.DB_PATH;
     delete process.env.UPLOAD_DIR;
     delete process.env.LOG_FILE;
@@ -35,7 +34,6 @@ describe('config', () => {
 
     expect(config.port).toBe(3000);
     expect(config.host).toBe('0.0.0.0');
-    expect(config.jwtExpiry).toBe('7d');
     expect(config.dbPath).toBe('./data/nanodrop.db');
     expect(config.uploadDir).toBe('./data/uploads');
     expect(config.logFile).toBe('./data/nanodrop.log');
@@ -55,7 +53,6 @@ describe('config', () => {
     process.env.JWT_SECRET = 'my-secret';
     process.env.PORT = '4000';
     process.env.HOST = '127.0.0.1';
-    process.env.JWT_EXPIRY = '1d';
     process.env.COOKIE_SECURE = 'true';
     process.env.TRUST_PROXY = 'true';
     process.env.MAX_FILE_SIZE = '52428800';
@@ -66,7 +63,6 @@ describe('config', () => {
     expect(config.port).toBe(4000);
     expect(config.host).toBe('127.0.0.1');
     expect(config.jwtSecret).toBe('my-secret');
-    expect(config.jwtExpiry).toBe('1d');
     expect(config.cookieSecure).toBe(true);
     expect(config.trustProxy).toBe(true);
     expect(config.maxFileSize).toBe(52428800);
diff --git a/tests/unit/lockout-service.test.ts b/tests/unit/lockout-service.test.ts
index 5d8cddb..595a415 100644
--- a/tests/unit/lockout-service.test.ts
+++ b/tests/unit/lockout-service.test.ts
@@ -10,7 +10,6 @@ function makeConfig(overrides: Partial<Config> = {}): Config {
     port: 0,
     host: '127.0.0.1',
     jwtSecret: 'x',
-    jwtExpiry: '1h',
     dbPath: ':memory:',
     uploadDir: '/tmp',
     logFile: '/tmp/x.log',
diff --git a/tests/unit/login-handler.test.ts b/tests/unit/login-handler.test.ts
index db9ca90..2a3042c 100644
--- a/tests/unit/login-handler.test.ts
+++ b/tests/unit/login-handler.test.ts
@@ -17,7 +17,6 @@ function makeConfig(overrides: Partial<Config> = {}): Config {
     port: 0,
     host: '127.0.0.1',
     jwtSecret: 'x',
-    jwtExpiry: '1h',
     dbPath: ':memory:',
     uploadDir: '/tmp',
     logFile: '/tmp/x.log',