diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
index ae78c113f..af8871a7b 100644
--- a/.idea/codeStyles/Project.xml
+++ b/.idea/codeStyles/Project.xml
@@ -1,3 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright 2025 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          https://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
 <component name="ProjectCodeStyleConfiguration">
   <code_scheme name="Project" version="173">
     <codeStyleSettings language="XML">
@@ -110,4 +126,4 @@
       </arrangement>
     </codeStyleSettings>
   </code_scheme>
-</component>
\ No newline at end of file
+</component>
diff --git a/build.gradle.kts b/build.gradle.kts
index bafd85c4e..cc4d7876a 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -16,12 +16,12 @@ plugins {
     alias(libs.plugins.spotless) apply false
 }
 
-subprojects {
+allprojects {
     apply(plugin = "com.diffplug.spotless")
     extensions.configure<com.diffplug.gradle.spotless.SpotlessExtension> {
         kotlin {
             target("**/*.kt")
-            targetExclude("**/build/**/*.kt")
+            targetExclude("**/build/**/*.kt", "spotless/**/*.kt")
 
             val disabledRules = arrayOf(
                 // These rules were introduced in ktlint 0.46.0 and should not be
@@ -91,7 +91,7 @@ subprojects {
         }
         format("xml") {
             target("**/*.xml")
-            targetExclude("**/build/**/*.xml")
+            targetExclude("**/build/**/*.xml", "spotless/**/*.xml")
             // Look for the root tag or a tag that is a snippet
             licenseHeaderFile(rootProject.file("spotless/copyright.xml"), "(<[a-zA-Z])|(<!--\\s+(//\\s*)?\\[START)").skipLinesMatching(".*START.*")
         }