Drop exec-maven-plugin management
diff --git a/commons-math-examples/pom.xml b/commons-math-examples/pom.xml
index ae88448..4f20215 100644
--- a/commons-math-examples/pom.xml
+++ b/commons-math-examples/pom.xml
@@ -86,22 +86,6 @@
     </dependencies>
   </dependencyManagement>
 
-  <build>
-
-    <pluginManagement>
-
-      <plugins>
-        <plugin>
-          <groupId>org.codehaus.mojo</groupId>
-          <artifactId>exec-maven-plugin</artifactId>
-          <version>1.6.0</version>
-        </plugin>
-      </plugins>
-
-    </pluginManagement>
-
-  </build>
-
   <profiles>
     <profile>
       <id>commons-math-examples</id>