diff --git a/.lintstagedrc.mjs b/.lintstagedrc.mjs
index f70178055d..06e5e95b64 100644
--- a/.lintstagedrc.mjs
+++ b/.lintstagedrc.mjs
@@ -1,24 +1,31 @@
-import micromatch from 'micromatch';
+/** Staged paths use forward slashes; lint-staged may pass absolute or relative paths. */
+
+/**
+ * Returns whether any staged path is a file named `name` at the root of the path list
+ * or nested under a directory (e.g. `package.json` or `packages/foo/package.json`).
+ *
+ * @param {string[]} changes - an array of strings with file paths that have changed
+ * @param {string} name - Basename to match (e.g. `package.json`).
+ * @returns {boolean}
+ */
+const hasFilename = (changes, name) =>
+  changes.some((file) => file === name || file.endsWith(`/${name}`));
 
 export default {
   // Use custom function to avoid overlaps that could cause race conditions
   [`*`]: (allChanges) => {
     const commands = [];
 
-    if (micromatch.some(allChanges, '**/package.json')) {
+    if (hasFilename(allChanges, 'package.json')) {
       commands.push(`yarn syncpack format`);
     }
 
-    if (micromatch.some(allChanges, 'yarn.lock')) {
+    if (hasFilename(allChanges, 'yarn.lock')) {
       commands.push(`yarn dedupe`);
     }
 
-    const eslintExtensions = `{mdx,ts,tsx,js,jsx,json}`;
-    const eslintFiles = micromatch(
-      allChanges,
-      [`**/*.${eslintExtensions}`, `?(.)**.${eslintExtensions}`],
-      { dot: true }
-    );
+    const ESLINT_EXT = /\.(mdx|tsx?|jsx?|json)$/;
+    const eslintFiles = allChanges.filter((file) => ESLINT_EXT.test(file));
 
     if (eslintFiles.length) {
       commands.push(
diff --git a/package.json b/package.json
index 4f1b3f1f73..7a81e4fe82 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,6 @@
     "jest-environment-jsdom-global": "4.0.0",
     "jest-junit": "^16.0.0",
     "lint-staged": "^16.4.0",
-    "micromatch": "^4.0.5",
     "mutationobserver-shim": "^0.3.3",
     "nx": "22.6.0",
     "nx-cloud": "19.1.0",
diff --git a/yarn.lock b/yarn.lock
index ee3b5280d1..22677e9863 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -13399,7 +13399,6 @@ __metadata:
     jest-junit: "npm:^16.0.0"
     lint-staged: "npm:^16.4.0"
     lodash: "npm:^4.17.23"
-    micromatch: "npm:^4.0.5"
     mutationobserver-shim: "npm:^0.3.3"
     nx: "npm:22.6.0"
     nx-cloud: "npm:19.1.0"
@@ -18412,9 +18411,9 @@ __metadata:
   linkType: hard
 
 "picomatch@npm:^2.0.4, picomatch@npm:^2.2.1, picomatch@npm:^2.2.2, picomatch@npm:^2.2.3, picomatch@npm:^2.3.1":
-  version: 2.3.1
-  resolution: "picomatch@npm:2.3.1"
-  checksum: 10c0/26c02b8d06f03206fc2ab8d16f19960f2ff9e81a658f831ecb656d8f17d9edc799e8364b1f4a7873e89d9702dff96204be0fa26fe4181f6843f040f819dac4be
+  version: 2.3.2
+  resolution: "picomatch@npm:2.3.2"
+  checksum: 10c0/a554d1709e59be97d1acb9eaedbbc700a5c03dbd4579807baed95100b00420bc729335440ef15004ae2378984e2487a7c1cebd743cfdb72b6fa9ab69223c0d61
   languageName: node
   linkType: hard