diff --git a/package-lock.json b/package-lock.json
index bb232dab2a24e..8fde39bac7184 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,6 @@
                 "@types/glob": "latest",
                 "@types/microsoft__typescript-etw": "latest",
                 "@types/minimist": "latest",
-                "@types/mkdirp": "latest",
                 "@types/mocha": "latest",
                 "@types/ms": "latest",
                 "@types/node": "latest",
@@ -46,7 +45,6 @@
                 "hereby": "^1.6.4",
                 "jsonc-parser": "^3.2.0",
                 "minimist": "latest",
-                "mkdirp": "latest",
                 "mocha": "latest",
                 "mocha-fivemat-progress-reporter": "latest",
                 "ms": "^2.1.3",
@@ -430,15 +428,6 @@
             "integrity": "sha512-jhuKLIRrhvCPLqwPcx6INqmKeiA5EWrsCOPhrlFSrbrmU4ZMPjj5Ul/oLCMDO98XRUIwVm78xICz4EPCektzeQ==",
             "dev": true
         },
-        "node_modules/@types/mkdirp": {
-            "version": "1.0.2",
-            "resolved": "https://registry.npmjs.org/@types/mkdirp/-/mkdirp-1.0.2.tgz",
-            "integrity": "sha512-o0K1tSO0Dx5X6xlU5F1D6625FawhC3dU3iqr25lluNv/+/QIVH8RLNEiVokgIZo+mz+87w/3Mkg/VvQS+J51fQ==",
-            "dev": true,
-            "dependencies": {
-                "@types/node": "*"
-            }
-        },
         "node_modules/@types/mocha": {
             "version": "10.0.0",
             "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-10.0.0.tgz",
@@ -3165,18 +3154,6 @@
                 "url": "https://github.com/sponsors/ljharb"
             }
         },
-        "node_modules/mkdirp": {
-            "version": "1.0.4",
-            "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
-            "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
-            "dev": true,
-            "bin": {
-                "mkdirp": "bin/cmd.js"
-            },
-            "engines": {
-                "node": ">=10"
-            }
-        },
         "node_modules/mocha": {
             "version": "10.1.0",
             "resolved": "https://registry.npmjs.org/mocha/-/mocha-10.1.0.tgz",
@@ -4812,15 +4789,6 @@
             "integrity": "sha512-jhuKLIRrhvCPLqwPcx6INqmKeiA5EWrsCOPhrlFSrbrmU4ZMPjj5Ul/oLCMDO98XRUIwVm78xICz4EPCektzeQ==",
             "dev": true
         },
-        "@types/mkdirp": {
-            "version": "1.0.2",
-            "resolved": "https://registry.npmjs.org/@types/mkdirp/-/mkdirp-1.0.2.tgz",
-            "integrity": "sha512-o0K1tSO0Dx5X6xlU5F1D6625FawhC3dU3iqr25lluNv/+/QIVH8RLNEiVokgIZo+mz+87w/3Mkg/VvQS+J51fQ==",
-            "dev": true,
-            "requires": {
-                "@types/node": "*"
-            }
-        },
         "@types/mocha": {
             "version": "10.0.0",
             "resolved": "https://registry.npmjs.org/@types/mocha/-/mocha-10.0.0.tgz",
@@ -6718,12 +6686,6 @@
             "integrity": "sha512-bzfL1YUZsP41gmu/qjrEk0Q6i2ix/cVeAhbCbqH9u3zYutS1cLg00qhrD0M2MVdCcx4Sc0UpP2eBWo9rotpq6g==",
             "dev": true
         },
-        "mkdirp": {
-            "version": "1.0.4",
-            "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
-            "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
-            "dev": true
-        },
         "mocha": {
             "version": "10.1.0",
             "resolved": "https://registry.npmjs.org/mocha/-/mocha-10.1.0.tgz",
diff --git a/package.json b/package.json
index 0811e154e947c..559555ba47917 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,6 @@
         "@types/glob": "latest",
         "@types/microsoft__typescript-etw": "latest",
         "@types/minimist": "latest",
-        "@types/mkdirp": "latest",
         "@types/mocha": "latest",
         "@types/ms": "latest",
         "@types/node": "latest",
@@ -72,7 +71,6 @@
         "hereby": "^1.6.4",
         "jsonc-parser": "^3.2.0",
         "minimist": "latest",
-        "mkdirp": "latest",
         "mocha": "latest",
         "mocha-fivemat-progress-reporter": "latest",
         "ms": "^2.1.3",
diff --git a/scripts/build/tests.mjs b/scripts/build/tests.mjs
index 3e3948ab5a06f..82cb9b8873247 100644
--- a/scripts/build/tests.mjs
+++ b/scripts/build/tests.mjs
@@ -2,7 +2,6 @@ import del from "del";
 import fs from "fs";
 import os from "os";
 import path from "path";
-import mkdirP from "mkdirp";
 import cmdLineOptions from "./options.mjs";
 import { exec } from "./utils.mjs";
 import { findUpFile, findUpRoot } from "./findUpDir.mjs";
@@ -140,8 +139,8 @@ export async function runConsoleTests(runJs, defaultReporter, runInParallel) {
 
 export async function cleanTestDirs() {
     await del([localBaseline, localRwcBaseline]);
-    mkdirP.sync(localRwcBaseline);
-    mkdirP.sync(localBaseline);
+    await fs.promises.mkdir(localRwcBaseline, { recursive: true });
+    await fs.promises.mkdir(localBaseline, { recursive: true });
 }
 
 /**