diff --git a/pom.xml b/pom.xml
index 2ac72cf367..d0f4388551 100644
--- a/pom.xml
+++ b/pom.xml
@@ -384,7 +384,7 @@
       </plugin>
 
       <!--TODO(alex): make part of the build and reconcile conflicts
-    <plugin> 
+    <plugin>
       <groupId>com.ning.maven.plugins</groupId>
       <artifactId>maven-duplicate-finder-plugin</artifactId>
       <version>1.0.4</version>
@@ -393,12 +393,12 @@
           <id>default</id>
           <phase>verify</phase>
           <goals>
-            <goal>check</goal> 
-          </goals> 
-       </execution> 
-      </executions> 
+            <goal>check</goal>
+          </goals>
+       </execution>
+      </executions>
       <configuration>
-        <failBuildInCaseOfConflict>true</failBuildInCaseOfConflict> 
+        <failBuildInCaseOfConflict>true</failBuildInCaseOfConflict>
       </configuration>
     </plugin>
     -->
@@ -734,7 +734,6 @@
               <exclude>**/README.md</exclude>
               <exclude>DEPENDENCIES</exclude>
               <exclude>DEPLOY.md</exclude>
-              <exclude>CONTRIBUTING.md</exclude>
               <exclude>STYLE.md</exclude>
               <exclude>Roadmap.md</exclude>
               <exclude>**/licenses/**</exclude>
@@ -772,7 +771,6 @@
               <exclude>docs/sitemap.txt</exclude>
               <exclude>docs/search_data.json</exclude>
               <exclude>**/dependency-reduced-pom.xml</exclude>
-              <exclude>docs/CONTRIBUTING.md</exclude>
 
               <!-- bundled from anchor -->
               <exclude>docs/assets/themes/zeppelin/js/anchor.min.js</exclude>