diff --git a/pom.xml b/pom.xml
index b5263a7..4590d87 100644
--- a/pom.xml
+++ b/pom.xml
@@ -60,11 +60,6 @@
             </dependency>
           </dependencies>
         </plugin>
-        <plugin>
-          <groupId>org.apache.maven.plugins</groupId>
-          <artifactId>maven-compiler-plugin</artifactId>
-          <version>3.10.1</version>
-        </plugin>
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-release-plugin</artifactId>
@@ -75,12 +70,13 @@
         <plugin>
           <groupId>org.apache.maven.plugins</groupId>
           <artifactId>maven-javadoc-plugin</artifactId>
-          <!-- 3.1.1 means error
-          Caused by: org.apache.maven.plugin.MojoExecutionException: MavenReportException: Error while generating Javadoc:
-          Exit code: 2 - javadoc: error - No source files for package org.codehaus.plexus.languages.java.jpms
-          -->
           <version>3.4.1</version>
         </plugin>
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-jar-plugin</artifactId>
+          <version>3.3.0</version>
+        </plugin>
       </plugins>
     </pluginManagement>
     <plugins>
@@ -96,13 +92,6 @@
   
   <reporting>
     <plugins>
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>cobertura-maven-plugin</artifactId>
-        <reportSets>
-          <reportSet />
-        </reportSets>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-pmd-plugin</artifactId>