diff --git a/org.eclipse.jdt.ui/.gitignore b/org.eclipse.jdt.ui/.gitignore
index 27c92af..c614df2 100644
--- a/org.eclipse.jdt.ui/.gitignore
+++ b/org.eclipse.jdt.ui/.gitignore
@@ -1,2 +1 @@
 /bin-jar-in-jar-loader/
-/jar-in-jar-loader.zip
diff --git a/org.eclipse.jdt.ui/jar-in-jar-loader.zip b/org.eclipse.jdt.ui/jar-in-jar-loader.zip
new file mode 100644
index 0000000..7e5a3ab
--- /dev/null
+++ b/org.eclipse.jdt.ui/jar-in-jar-loader.zip
Binary files differ
diff --git a/org.eclipse.jdt.ui/pom.xml b/org.eclipse.jdt.ui/pom.xml
index b7ef399..609886a 100644
--- a/org.eclipse.jdt.ui/pom.xml
+++ b/org.eclipse.jdt.ui/pom.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!--
-  Copyright (c) 2012, 2020 Eclipse Foundation and others.
+  Copyright (c) 2012, 2018 Eclipse Foundation and others.
   All rights reserved. This program and the accompanying materials
   are made available under the terms of the Eclipse Distribution License v1.0
   which accompanies this distribution, and is available at
@@ -23,34 +23,4 @@
   <properties>
     <code.ignoredWarnings>-warn:-deprecation,unavoidableGenericProblems</code.ignoredWarnings>
   </properties>
-  <build>
-    <plugins>
-      <plugin>
-        <artifactId>maven-antrun-plugin</artifactId>
-        <executions>
-          <execution>
-            <id>jar-in-jar-loader</id>
-            <phase>process-classes</phase>
-            <configuration>
-              <target>
-                <ant antfile="scripts/build_jar-in-jar-loader.xml"/> 
-              </target>
-            </configuration>
-            <goals>
-              <goal>run</goal>
-            </goals>
-          </execution>
-        </executions>
-        <dependencies>
-          <dependency>
-            <groupId>com.sun</groupId>
-            <artifactId>tools</artifactId>
-            <version>1.6.0</version>
-            <scope>system</scope>
-            <systemPath>${java.home}/../lib/tools.jar</systemPath>
-          </dependency>
-        </dependencies>
-      </plugin>
-    </plugins>
-  </build>
 </project>