diff --git a/build.gradle b/build.gradle
index f720b46bec143..741b14a95dd52 100644
--- a/build.gradle
+++ b/build.gradle
@@ -67,7 +67,7 @@ apply from: 'gradle/formatting.gradle'
 apply from: 'gradle/local-distribution.gradle'
 apply from: 'gradle/fips.gradle'
 apply from: 'gradle/run.gradle'
-apply from: 'gradle/missing-javadoc.gradle'
+// apply from: 'gradle/missing-javadoc.gradle'
 apply from: 'gradle/code-coverage.gradle'
 
 // Disable unconditional publishing of build scans
diff --git a/libs/core/build.gradle b/libs/core/build.gradle
index 31b122d9ede18..632ad14ad9c6a 100644
--- a/libs/core/build.gradle
+++ b/libs/core/build.gradle
@@ -49,6 +49,13 @@ sourceSets {
 }
 
 
+tasks.named("sourcesJar").configure {
+  // Ignore duplicates for protobuf generated code (main and generatedSources).
+  filesMatching(["**/proto/*", "**/**/proto/*"]) {
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+  }
+}
+
 dependencies {
   api project(':libs:opensearch-common')
 
diff --git a/server/build.gradle b/server/build.gradle
index 045cf3aed3796..849047085d112 100644
--- a/server/build.gradle
+++ b/server/build.gradle
@@ -428,7 +428,7 @@ tasks.test {
 
 tasks.named("sourcesJar").configure {
   // Ignore duplicates for protobuf generated code (main and generatedSources).
-  filesMatching("**/proto/*") {
+  filesMatching(["**/proto/*", "opensearch/proto/services/*"]) {
     duplicatesStrategy = DuplicatesStrategy.EXCLUDE
   }
 }