diff --git a/build.gradle b/build.gradle
index c1a308f2e..1a7e49639 100644
--- a/build.gradle
+++ b/build.gradle
@@ -311,6 +311,8 @@ javadoc {
     // Add this to avoid warning caused by lack of comments in proto generated java files
     options.addStringOption('Xdoclint:none', '-quiet')
     exclude '**/*.md'
+    exclude 'src/handbook/**/*.*'
+    exclude 'src/generated/**/*.*'
 }
 
 tasks.register('injectGitHash') {