diff --git a/org.eclipse.jdt.debug.ui/.externalToolBuilders/Build Snippet Support JAR.launch b/org.eclipse.jdt.debug.ui/.externalToolBuilders/Build Snippet Support JAR.launch
deleted file mode 100644
index 76e70bb1f3..0000000000
--- a/org.eclipse.jdt.debug.ui/.externalToolBuilders/Build Snippet Support JAR.launch	
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<launchConfiguration type="org.eclipse.ant.AntBuilderLaunchConfigurationType">
-<stringAttribute key="org.eclipse.ant.ui.ATTR_ANT_AFTER_CLEAN_TARGETS" value="dummy_clean,"/>
-<booleanAttribute key="org.eclipse.ant.ui.ATTR_TARGETS_UPDATED" value="true"/>
-<booleanAttribute key="org.eclipse.ant.ui.DEFAULT_VM_INSTALL" value="false"/>
-<stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#13;&#10;&lt;resources&gt;&#13;&#10;&lt;item path=&quot;/org.eclipse.jdt.debug.ui&quot; type=&quot;4&quot;/&gt;&#13;&#10;&lt;/resources&gt;}"/>
-<booleanAttribute key="org.eclipse.debug.core.appendEnvironmentVariables" value="true"/>
-<booleanAttribute key="org.eclipse.debug.ui.ATTR_LAUNCH_IN_BACKGROUND" value="true"/>
-<booleanAttribute key="org.eclipse.debug.ui.ATTR_RUN_IN_BACKGROUND" value="false"/>
-<stringAttribute key="org.eclipse.debug.ui.target_run_perspective" value="perspective_none"/>
-<stringAttribute key="org.eclipse.jdt.launching.CLASSPATH_PROVIDER" value="org.eclipse.ant.ui.AntClasspathProvider"/>
-<booleanAttribute key="org.eclipse.jdt.launching.DEFAULT_CLASSPATH" value="true"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_BUILD_SCOPE" value="${working_set:&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot;?&gt;&#13;&#10;&lt;resources&gt;&#13;&#10;&lt;item path=&quot;/org.eclipse.jdt.debug.ui/Snippet Support&quot; type=&quot;2&quot;/&gt;&#13;&#10;&lt;item path=&quot;/org.eclipse.jdt.debug.ui/scripts/buildExtraJAR.xml&quot; type=&quot;1&quot;/&gt;&#13;&#10;&lt;/resources&gt;}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_LOCATION" value="${workspace_loc:/org.eclipse.jdt.debug.ui/scripts/buildExtraJAR.xml}"/>
-<stringAttribute key="org.eclipse.ui.externaltools.ATTR_RUN_BUILD_KINDS" value="full,incremental,auto,"/>
-<booleanAttribute key="org.eclipse.ui.externaltools.ATTR_TRIGGERS_CONFIGURED" value="true"/>
-</launchConfiguration>
diff --git a/org.eclipse.jdt.debug.ui/.gitignore b/org.eclipse.jdt.debug.ui/.gitignore
index 24e4a77acf..2c88a82de5 100644
--- a/org.eclipse.jdt.debug.ui/.gitignore
+++ b/org.eclipse.jdt.debug.ui/.gitignore
@@ -1 +1,2 @@
 /snippet_bin/
+/snippetsupport.jar
\ No newline at end of file
diff --git a/org.eclipse.jdt.debug.ui/.project b/org.eclipse.jdt.debug.ui/.project
index ca1f846c65..0e8909e710 100644
--- a/org.eclipse.jdt.debug.ui/.project
+++ b/org.eclipse.jdt.debug.ui/.project
@@ -20,16 +20,6 @@
 			<arguments>
 			</arguments>
 		</buildCommand>
-		<buildCommand>
-			<name>org.eclipse.ui.externaltools.ExternalToolBuilder</name>
-			<triggers>auto,full,incremental,</triggers>
-			<arguments>
-				<dictionary>
-					<key>LaunchConfigHandle</key>
-					<value>&lt;project&gt;/.externalToolBuilders/Build Snippet Support JAR.launch</value>
-				</dictionary>
-			</arguments>
-		</buildCommand>
 		<buildCommand>
 			<name>org.eclipse.pde.api.tools.apiAnalysisBuilder</name>
 			<arguments>
diff --git a/org.eclipse.jdt.debug.ui/pom.xml b/org.eclipse.jdt.debug.ui/pom.xml
index c2200c83ae..1ba1c22922 100644
--- a/org.eclipse.jdt.debug.ui/pom.xml
+++ b/org.eclipse.jdt.debug.ui/pom.xml
@@ -9,15 +9,78 @@
   Contributors:
      Igor Fedorenko - initial implementation
 -->
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <parent>
-    <artifactId>eclipse.jdt.debug</artifactId>
-    <groupId>eclipse.jdt.debug</groupId>
-    <version>4.31.0-SNAPSHOT</version>
-  </parent>
-  <groupId>org.eclipse.jdt</groupId>
-  <artifactId>org.eclipse.jdt.debug.ui</artifactId>
-  <version>3.13.300-SNAPSHOT</version>
-  <packaging>eclipse-plugin</packaging>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<artifactId>eclipse.jdt.debug</artifactId>
+		<groupId>eclipse.jdt.debug</groupId>
+		<version>4.31.0-SNAPSHOT</version>
+	</parent>
+	<groupId>org.eclipse.jdt</groupId>
+	<artifactId>org.eclipse.jdt.debug.ui</artifactId>
+	<version>3.13.300-SNAPSHOT</version>
+	<packaging>eclipse-plugin</packaging>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>3.12.1</version>
+				<executions>
+					<execution>
+						<id>compile-snippetsupport</id>
+						<goals>
+							<goal>testCompile</goal>
+						</goals>
+						<phase>compile</phase>
+						<configuration>
+							<!-- make sure we use minimum source/target level as
+							this code will be run in old JVMs -->
+							<source>1.7</source>
+							<target>1.7</target>
+							<compilerId>jdt</compilerId>
+							<compileSourceRoots>${project.basedir}/Snippet Support</compileSourceRoots>
+							<outputDirectory>${project.build.directory}/snippetsupport</outputDirectory>
+							<useIncrementalCompilation>false</useIncrementalCompilation>
+						</configuration>
+					</execution>
+				</executions>
+				<dependencies>
+					<dependency>
+						<groupId>org.eclipse.tycho</groupId>
+						<artifactId>tycho-compiler-jdt</artifactId>
+						<version>${tycho.version}</version>
+					</dependency>
+				</dependencies>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-jar-plugin</artifactId>
+				<version>3.3.0</version>
+				<executions>
+					<execution>
+						<id>jar-snippetsupport</id>
+						<goals>
+							<goal>jar</goal>
+						</goals>
+						<phase>prepare-package</phase>
+						<configuration>
+							<classesDirectory>${project.build.directory}/snippetsupport</classesDirectory>
+							<outputDirectory>${project.basedir}</outputDirectory>
+							<finalName>snippetsupport</finalName>
+							<archive>
+								<addMavenDescriptor>false</addMavenDescriptor>
+								<manifest>
+									<addDefaultEntries>false</addDefaultEntries>
+								</manifest>
+							</archive>
+						</configuration>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
 </project>
diff --git a/org.eclipse.jdt.debug.ui/scripts/buildExtraJAR.xml b/org.eclipse.jdt.debug.ui/scripts/buildExtraJAR.xml
deleted file mode 100644
index 3579cb3225..0000000000
--- a/org.eclipse.jdt.debug.ui/scripts/buildExtraJAR.xml
+++ /dev/null
@@ -1,56 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!--
-     Copyright (c) 2005, 2015 IBM Corporation and others.
-
-     This program and the accompanying materials
-     are made available under the terms of the Eclipse Public License 2.0
-     which accompanies this distribution, and is available at
-     https://www.eclipse.org/legal/epl-2.0/
-
-     SPDX-License-Identifier: EPL-2.0
-    
-     Contributors:
-         IBM Corporation - initial API and implementation
- -->
-
-<project name="Build Snippet support JAR" default="build" basedir="..">
-
-	<target name="build" description="Cleans, builds and refreshes the impacted resources" depends="clean, snippetsupport.jar"/>
-
-	<!-- Empty target for "After a Clean" task (we don't want to rebuild the Jar here, e.g. on checkout). -->
-	<target name="dummy_clean"/>
-	
-	<target name="init" depends="properties">
-		<property name="temp.folder" value="${basedir}/temp.folder"/>
-		<property name="build.result.folder" value="${basedir}"/>
-	</target>
-
-	<target name="properties" if="eclipse.running">
-		<property name="build.compiler" value="org.eclipse.jdt.core.JDTCompilerAdapter"/>
-	</target>
-
-	<target name="snippetsupport.jar" depends="init" description="Creates the snippetsupport.jar">
-		<property name="destdir" value="${temp.folder}/snippetsupport.jar.bin"/>
-		<delete dir="${destdir}"/>
-		<mkdir dir="${destdir}"/>
-		<!-- Keep target level as low as possible!
-			snippetsupport.jar is used on the classpath of a separate VM that
-			uses the JRE that's on the build path of the scrapbook file's project. -->
-		<javac target="1.7" source="1.7" destdir="${destdir}"
-			failonerror="true"
-			verbose="false"
-			debug="on"
-			includeAntRuntime="no"
-			classpath="${basedir}/bin">
-			<src path="Snippet Support/"/>
-		</javac>
-		<mkdir dir="${build.result.folder}"/>
-		<zip destfile="${build.result.folder}/snippetsupport.jar" basedir="${destdir}"/>
-		<delete dir="${temp.folder}"/>
-	</target>
-
-	<target name="clean" depends="init">
-		<delete file="${build.result.folder}/snippetsupport.jar"/>
-		<delete dir="${temp.folder}"/>
-	</target>
-</project>
diff --git a/org.eclipse.jdt.debug.ui/snippetsupport.jar b/org.eclipse.jdt.debug.ui/snippetsupport.jar
index 22488b1ccd..f2fb1351dc 100644
Binary files a/org.eclipse.jdt.debug.ui/snippetsupport.jar and b/org.eclipse.jdt.debug.ui/snippetsupport.jar differ