diff --git a/app/build.gradle b/app/build.gradle
index 9092d38cc..244ea75e3 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -191,6 +191,7 @@ task runCheckstyle(type: Checkstyle) {
     exclude '**/R.java'
     exclude '**/BuildConfig.java'
     exclude 'main/java/us/shandian/giga/**'
+    exclude 'braveLegacy/java/us/shandian/giga/**'
 
     classpath = configurations.checkstyle