diff --git a/benchmark/buffers/buffer-transcode.js b/benchmark/buffers/buffer-transcode.js
index cbb3b2e9b16374..4f985ac408459b 100644
--- a/benchmark/buffers/buffer-transcode.js
+++ b/benchmark/buffers/buffer-transcode.js
@@ -8,7 +8,7 @@ const encodings = ['latin1', 'ascii', 'ucs2', 'utf8'];
 
 if (!hasIntl) {
   console.log('Skipping: `transcode` is only available on platforms that support i18n`');
-  process.exit(0);
+  return;
 }
 
 const bench = common.createBenchmark(main, {
diff --git a/test/parallel/test-child-process-fork-advanced-header-serialization.js b/test/parallel/test-child-process-fork-advanced-header-serialization.js
index 27c15649e732d6..85116a1b5d16e0 100644
--- a/test/parallel/test-child-process-fork-advanced-header-serialization.js
+++ b/test/parallel/test-child-process-fork-advanced-header-serialization.js
@@ -13,11 +13,9 @@ if (process.argv[2] === 'child-buffer') {
     v & 0xFF,
   ]);
   const fd = process.channel?.fd;
-  if (fd === undefined) {
-    // skip test
-    process.exit(0);
+  if (fd !== undefined) {
+    fs.writeSync(fd, payload);
   }
-  fs.writeSync(fd, payload);
   return;
 }
 
diff --git a/test/parallel/test-child-process-internal.js b/test/parallel/test-child-process-internal.js
index c6ce0a8e04718c..345d4951742393 100644
--- a/test/parallel/test-child-process-internal.js
+++ b/test/parallel/test-child-process-internal.js
@@ -34,9 +34,6 @@ if (process.argv[2] === 'child') {
 
   // Send internal message
   process.send(internal);
-
-  process.exit(0);
-
 } else {
 
   const fork = require('child_process').fork;
diff --git a/test/parallel/test-child-process-silent.js b/test/parallel/test-child-process-silent.js
index 892c4527c9e2a2..3c0acf97555d0d 100644
--- a/test/parallel/test-child-process-silent.js
+++ b/test/parallel/test-child-process-silent.js
@@ -20,7 +20,7 @@
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 'use strict';
-require('../common');
+const common = require('../common');
 const assert = require('assert');
 const childProcess = require('child_process');
 
@@ -44,9 +44,7 @@ if (process.argv[2] === 'pipe') {
   // Allow child process to self terminate
   child.disconnect();
 
-  child.on('exit', function() {
-    process.exit(0);
-  });
+  child.on('exit', common.mustCall());
 
 } else {
   // Testcase | start primary && child IPC test
diff --git a/test/parallel/test-child-process-spawnsync-input.js b/test/parallel/test-child-process-spawnsync-input.js
index 62ae476ae17caa..f0c3d3d78978d0 100644
--- a/test/parallel/test-child-process-spawnsync-input.js
+++ b/test/parallel/test-child-process-spawnsync-input.js
@@ -65,7 +65,6 @@ if (process.argv.includes('spawnchild')) {
       checkSpawnSyncRet(ret);
       break;
   }
-  process.exit(0);
   return;
 }
 
diff --git a/test/parallel/test-child-process-stdout-flush-exit.js b/test/parallel/test-child-process-stdout-flush-exit.js
index 90f746c39ef6d3..4c5de7d9a2b42d 100644
--- a/test/parallel/test-child-process-stdout-flush-exit.js
+++ b/test/parallel/test-child-process-stdout-flush-exit.js
@@ -36,7 +36,6 @@ if (process.argv[2] === 'child') {
     console.log('filler');
   }
   console.log('goodbye');
-  process.exit(0);
 } else {
   // parent process
   const spawn = require('child_process').spawn;
diff --git a/test/parallel/test-cli-eval.js b/test/parallel/test-cli-eval.js
index 8d765f10fbcbdb..2e5b3dc5992abc 100644
--- a/test/parallel/test-cli-eval.js
+++ b/test/parallel/test-cli-eval.js
@@ -35,7 +35,7 @@ const fixtures = require('../common/fixtures');
 
 if (process.argv.length > 2) {
   console.log(process.argv.slice(2).join(' '));
-  process.exit(0);
+  return;
 }
 
 // Assert that nothing is written to stdout.
diff --git a/test/parallel/test-inspector-port-zero-cluster.js b/test/parallel/test-inspector-port-zero-cluster.js
index 5ee7bcf7417345..8b17dbee73500b 100644
--- a/test/parallel/test-inspector-port-zero-cluster.js
+++ b/test/parallel/test-inspector-port-zero-cluster.js
@@ -35,7 +35,7 @@ function serialFork() {
 
 if (cluster.isPrimary) {
   Promise.all([serialFork(), serialFork(), serialFork()])
-    .then(common.mustCall((ports) => {
+    .then((ports) => {
       ports.splice(0, 0, process.debugPort);
       // 4 = [primary, worker1, worker2, worker3].length()
       assert.strictEqual(ports.length, 4);
@@ -44,12 +44,8 @@ if (cluster.isPrimary) {
       assert.strictEqual(ports[0] === 65535 ? 1024 : ports[0] + 1, ports[1]);
       assert.strictEqual(ports[1] === 65535 ? 1024 : ports[1] + 1, ports[2]);
       assert.strictEqual(ports[2] === 65535 ? 1024 : ports[2] + 1, ports[3]);
-    }))
-    .catch(
-      (err) => {
-        console.error(err);
-        process.exit(1);
-      });
+    })
+    .then(common.mustCall());
 } else {
-  process.exit(0);
+  process.disconnect();
 }
diff --git a/test/parallel/test-net-listen-twice.js b/test/parallel/test-net-listen-twice.js
index 5a2399ea217005..281868da5a9eb7 100644
--- a/test/parallel/test-net-listen-twice.js
+++ b/test/parallel/test-net-listen-twice.js
@@ -19,7 +19,7 @@ if (cluster.isPrimary) {
     server.listen();
   } catch (e) {
     console.error(e);
-    process.exit(0);
+    return;
   }
   let i = 0;
   process.on('internalMessage', (msg) => {
diff --git a/test/parallel/test-permission-allow-child-process-cli.js b/test/parallel/test-permission-allow-child-process-cli.js
index d82332ba3d5084..640a043d9f5d25 100644
--- a/test/parallel/test-permission-allow-child-process-cli.js
+++ b/test/parallel/test-permission-allow-child-process-cli.js
@@ -24,7 +24,7 @@ if (process.argv[2] === 'child') {
     code: 'ERR_ACCESS_DENIED',
     permission: 'FileSystemWrite',
   }));
-  process.exit(0);
+  return;
 }
 
 // Guarantee the initial state
diff --git a/test/parallel/test-permission-allow-worker-cli.js b/test/parallel/test-permission-allow-worker-cli.js
index 8ccbc5d4960885..228d1ea5607fc1 100644
--- a/test/parallel/test-permission-allow-worker-cli.js
+++ b/test/parallel/test-permission-allow-worker-cli.js
@@ -6,7 +6,7 @@ const assert = require('assert');
 const { isMainThread, Worker } = require('worker_threads');
 
 if (!isMainThread) {
-  process.exit(0);
+  return;
 }
 
 // Guarantee the initial state
diff --git a/test/parallel/test-permission-child-process-cli.js b/test/parallel/test-permission-child-process-cli.js
index abd4271257b6fa..3330bcddd96f9d 100644
--- a/test/parallel/test-permission-child-process-cli.js
+++ b/test/parallel/test-permission-child-process-cli.js
@@ -12,7 +12,7 @@ const assert = require('assert');
 const childProcess = require('child_process');
 
 if (process.argv[2] === 'child') {
-  process.exit(0);
+  return;
 }
 
 // Guarantee the initial state
diff --git a/test/parallel/test-process-env.js b/test/parallel/test-process-env.js
index bd2cd066fa2285..dd926a29527851 100644
--- a/test/parallel/test-process-env.js
+++ b/test/parallel/test-process-env.js
@@ -32,7 +32,7 @@ if (process.argv[2] === 'you-are-the-child') {
   assert.strictEqual(process.env[42], 'forty-two');
   const has = Object.hasOwn(process.env, 'hasOwnProperty');
   assert.strictEqual(has, true);
-  process.exit(0);
+  return;
 }
 
 {
diff --git a/test/parallel/test-trace-exit.js b/test/parallel/test-trace-exit.js
index 7a4c222c40f74c..bfe412c5fba9c7 100644
--- a/test/parallel/test-trace-exit.js
+++ b/test/parallel/test-trace-exit.js
@@ -7,26 +7,22 @@ const { Worker, isMainThread, workerData } = require('worker_threads');
 
 const variant = process.argv[process.argv.length - 1];
 switch (true) {
-  case variant === 'main-thread': {
-    return;
-  }
-  case variant === 'main-thread-exit': {
+  case isMainThread ? variant === 'main-thread-exit' : workerData === 'worker-thread-exit':
     return process.exit(0);
-  }
   case variant.startsWith('worker-thread'): {
     const worker = new Worker(__filename, { workerData: variant });
     worker.on('error', common.mustNotCall());
     worker.on('exit', common.mustCall((code) => {
       assert.strictEqual(code, 0);
     }));
-    return;
   }
-  case !isMainThread: {
-    if (workerData === 'worker-thread-exit') {
-      process.exit(0);
-    }
+  // eslint-disable-next-line no-fallthrough
+  case variant === 'main-thread':
+  // eslint-disable-next-line no-fallthrough
+  case variant === 'main-thread-exit':
+  // eslint-disable-next-line no-fallthrough
+  case !isMainThread:
     return;
-  }
 }
 
 (async function() {
diff --git a/test/parallel/test-worker-safe-getters.js b/test/parallel/test-worker-safe-getters.js
index 69856659a5773b..a22f92b3354a4b 100644
--- a/test/parallel/test-worker-safe-getters.js
+++ b/test/parallel/test-worker-safe-getters.js
@@ -29,6 +29,4 @@ if (isMainThread) {
     assert.strictEqual(w.stdout, stdout);
     assert.strictEqual(w.stderr, stderr);
   }));
-} else {
-  process.exit(0);
 }
diff --git a/test/parallel/test-worker-stdio-flush-inflight.js b/test/parallel/test-worker-stdio-flush-inflight.js
index 34b81152811e7b..a51656ca1ec880 100644
--- a/test/parallel/test-worker-stdio-flush-inflight.js
+++ b/test/parallel/test-worker-stdio-flush-inflight.js
@@ -20,5 +20,4 @@ if (isMainThread) {
   process.stdout.write('hello');
   process.stdout.write(' ');
   process.stdout.write('world');
-  process.exit(0);
 }
diff --git a/test/parallel/test-worker-thread-name.js b/test/parallel/test-worker-thread-name.js
index 47e497b07b5164..541761b4e2d1b7 100644
--- a/test/parallel/test-worker-thread-name.js
+++ b/test/parallel/test-worker-thread-name.js
@@ -8,7 +8,6 @@ const name = 'test-worker-thread-name';
 
 if (workerData?.isWorker) {
   assert.strictEqual(threadName, name);
-  process.exit(0);
 } else {
   const w = new Worker(__filename, { name, workerData: { isWorker: true } });
   assert.strictEqual(w.threadName, name);