diff --git a/lib/internal/bootstrap/switches/does_not_own_process_state.js b/lib/internal/bootstrap/switches/does_not_own_process_state.js
index 1ec449b34a9f71..69946e802e1115 100644
--- a/lib/internal/bootstrap/switches/does_not_own_process_state.js
+++ b/lib/internal/bootstrap/switches/does_not_own_process_state.js
@@ -1,11 +1,16 @@
 'use strict';
 
 const credentials = internalBinding('credentials');
+const rawMethods = internalBinding('process_methods');
+// TODO: this should be detached from ERR_WORKER_UNSUPPORTED_OPERATION
+const { unavailable } = require('internal/process/worker_thread_only');
 
-if (credentials.implementsPosixCredentials) {
-  // TODO: this should be detached from ERR_WORKER_UNSUPPORTED_OPERATION
-  const { unavailable } = require('internal/process/worker_thread_only');
+process.abort = unavailable('process.abort()');
+process.chdir = unavailable('process.chdir()');
+process.umask = wrappedUmask;
+process.cwd = rawMethods.cwd;
 
+if (credentials.implementsPosixCredentials) {
   process.initgroups = unavailable('process.initgroups()');
   process.setgroups = unavailable('process.setgroups()');
   process.setegid = unavailable('process.setegid()');
@@ -16,3 +21,16 @@ if (credentials.implementsPosixCredentials) {
 
 // ---- keep the attachment of the wrappers above so that it's easier to ----
 // ----              compare the setups side-by-side                    -----
+
+const {
+  codes: { ERR_WORKER_UNSUPPORTED_OPERATION }
+} = require('internal/errors');
+
+function wrappedUmask(mask) {
+  // process.umask() is a read-only operation in workers.
+  if (mask !== undefined) {
+    throw new ERR_WORKER_UNSUPPORTED_OPERATION('Setting process.umask()');
+  }
+
+  return rawMethods.umask(mask);
+}
diff --git a/lib/internal/bootstrap/switches/does_own_process_state.js b/lib/internal/bootstrap/switches/does_own_process_state.js
index 88f7752072015a..15023ea3f55fed 100644
--- a/lib/internal/bootstrap/switches/does_own_process_state.js
+++ b/lib/internal/bootstrap/switches/does_own_process_state.js
@@ -1,6 +1,12 @@
 'use strict';
 
 const credentials = internalBinding('credentials');
+const rawMethods = internalBinding('process_methods');
+
+process.abort = rawMethods.abort;
+process.umask = wrappedUmask;
+process.chdir = wrappedChdir;
+process.cwd = wrappedCwd;
 
 if (credentials.implementsPosixCredentials) {
   const wrapped = wrapPosixCredentialSetters(credentials);
@@ -16,6 +22,11 @@ if (credentials.implementsPosixCredentials) {
 // ---- keep the attachment of the wrappers above so that it's easier to ----
 // ----              compare the setups side-by-side                    -----
 
+const {
+  parseMode,
+  validateString
+} = require('internal/validators');
+
 function wrapPosixCredentialSetters(credentials) {
   const {
     ArrayIsArray,
@@ -94,3 +105,27 @@ function wrapPosixCredentialSetters(credentials) {
     setuid: wrapIdSetter('User', _setuid)
   };
 }
+
+// Cache the working directory to prevent lots of lookups. If the working
+// directory is changed by `chdir`, it'll be updated.
+let cachedCwd = '';
+
+function wrappedChdir(directory) {
+  validateString(directory, 'directory');
+  rawMethods.chdir(directory);
+  // Mark cache that it requires an update.
+  cachedCwd = '';
+}
+
+function wrappedUmask(mask) {
+  if (mask !== undefined) {
+    mask = parseMode(mask, 'mask');
+  }
+  return rawMethods.umask(mask);
+}
+
+function wrappedCwd() {
+  if (cachedCwd === '')
+    cachedCwd = rawMethods.cwd();
+  return cachedCwd;
+}
diff --git a/lib/internal/bootstrap/switches/is_main_thread.js b/lib/internal/bootstrap/switches/is_main_thread.js
index 4f7ef7b6a69a68..ac8336fb6229e7 100644
--- a/lib/internal/bootstrap/switches/is_main_thread.js
+++ b/lib/internal/bootstrap/switches/is_main_thread.js
@@ -3,11 +3,6 @@
 const { ObjectDefineProperty } = primordials;
 const rawMethods = internalBinding('process_methods');
 
-process.abort = rawMethods.abort;
-process.umask = wrappedUmask;
-process.chdir = wrappedChdir;
-process.cwd = wrappedCwd;
-
 // TODO(joyeecheung): deprecate and remove these underscore methods
 process._debugProcess = rawMethods._debugProcess;
 process._debugEnd = rawMethods._debugEnd;
@@ -38,34 +33,6 @@ process.on('removeListener', stopListeningIfSignal);
 // ----              compare the setups side-by-side                    -----
 
 const { guessHandleType } = internalBinding('util');
-const {
-  parseMode,
-  validateString
-} = require('internal/validators');
-
-// Cache the working directory to prevent lots of lookups. If the working
-// directory is changed by `chdir`, it'll be updated.
-let cachedCwd = '';
-
-function wrappedChdir(directory) {
-  validateString(directory, 'directory');
-  rawMethods.chdir(directory);
-  // Mark cache that it requires an update.
-  cachedCwd = '';
-}
-
-function wrappedUmask(mask) {
-  if (mask !== undefined) {
-    mask = parseMode(mask, 'mask');
-  }
-  return rawMethods.umask(mask);
-}
-
-function wrappedCwd() {
-  if (cachedCwd === '')
-    cachedCwd = rawMethods.cwd();
-  return cachedCwd;
-}
 
 function createWritableStdioStream(fd) {
   let stream;
diff --git a/lib/internal/bootstrap/switches/is_not_main_thread.js b/lib/internal/bootstrap/switches/is_not_main_thread.js
index 33e98d387cfd15..852352eead0d73 100644
--- a/lib/internal/bootstrap/switches/is_not_main_thread.js
+++ b/lib/internal/bootstrap/switches/is_not_main_thread.js
@@ -1,15 +1,6 @@
 'use strict';
 
 const { ObjectDefineProperty } = primordials;
-const rawMethods = internalBinding('process_methods');
-const {
-  unavailable
-} = require('internal/process/worker_thread_only');
-
-process.abort = unavailable('process.abort()');
-process.chdir = unavailable('process.chdir()');
-process.umask = wrappedUmask;
-process.cwd = rawMethods.cwd;
 
 delete process._debugProcess;
 delete process._debugEnd;
@@ -42,9 +33,6 @@ process.removeListener('removeListener', stopListeningIfSignal);
 const {
   createWorkerStdio
 } = require('internal/worker/io');
-const {
-  codes: { ERR_WORKER_UNSUPPORTED_OPERATION }
-} = require('internal/errors');
 
 let workerStdio;
 function lazyWorkerStdio() {
@@ -57,12 +45,3 @@ function getStdout() { return lazyWorkerStdio().stdout; }
 function getStderr() { return lazyWorkerStdio().stderr; }
 
 function getStdin() { return lazyWorkerStdio().stdin; }
-
-function wrappedUmask(mask) {
-  // process.umask() is a read-only operation in workers.
-  if (mask !== undefined) {
-    throw new ERR_WORKER_UNSUPPORTED_OPERATION('Setting process.umask()');
-  }
-
-  return rawMethods.umask(mask);
-}