diff --git a/.github/workflows/ant.yml b/.github/workflows/ant.yml
index d71b6d3..4b94883 100644
--- a/.github/workflows/ant.yml
+++ b/.github/workflows/ant.yml
@@ -3,7 +3,7 @@ name: Java CI
 on:
   schedule:
     - cron: '42 0 * * 4'
-  push:  
+  push:
   pull_request:
 
 jobs:
@@ -22,8 +22,3 @@ jobs:
       run: ./install-run-ipfs.sh
     - name: Build & run tests with Maven
       run: mvn test
-    - name: Build with Ant
-      run: ant -noinput -buildfile build.xml dist
-    - name: Run tests
-      timeout-minutes: 10
-      run: ant -noinput -buildfile build.xml test
diff --git a/build.xml b/build.xml
deleted file mode 100644
index 5a58aac..0000000
--- a/build.xml
+++ /dev/null
@@ -1,72 +0,0 @@
-<project name="java-ipfs-http-client" default="dist" basedir=".">
-  <description>
-    Java IPFS api
-  </description>
-
-  <property name="src" location="src"/>
-  <property name="build" location="build"/>
-  <property name="dist" location="dist"/>
-
-  <path id="dep.runtime">
-    <fileset dir="./lib">
-        <include name="**/*.jar" />
-    </fileset>
-  </path>
-
-  <target name="init">
-    <mkdir dir="${build}"/>
-  </target>
-
-  <target name="compile" depends="init" description="compile the source">
-    <javac includeantruntime="false" srcdir="${src}" destdir="${build}" debug="true" debuglevel="lines,vars,source">
-      <classpath>
-        <fileset dir="lib">
-          <include name="**/*.jar" />
-        </fileset>
-      </classpath>
-    </javac>
-  </target>
-
-  <target name="dist" depends="compile" description="generate the distribution">
-    <mkdir dir="${dist}/lib"/>
-    <copy todir="${dist}/lib">
-      <fileset dir="lib"/>
-    </copy>
-    <manifestclasspath property="manifest_cp" jarfile="myjar.jar">
-      <classpath refid="dep.runtime" />
-    </manifestclasspath>
-    <jar jarfile="${dist}/ipfs.jar" basedir="${build}">
-      <manifest>
-        <attribute name="Class-Path" value="${manifest_cp}"/>
-        <attribute name="Implementation-Vendor" value="io.ipfs"/>
-        <attribute name="Implementation-Title" value="api"/>
-        <attribute name="Implementation-Version" value="1.4.1"/>
-      </manifest>
-    </jar>
-  </target>
-
-  <target name="test" depends="compile,dist">
-    <junit printsummary="yes" fork="true">
-      <jvmarg value="-Xmx1g"/>
-      <classpath>
-	<pathelement location="lib/junit-4.13.2.jar" />
-	<pathelement location="lib/hamcrest-2.2.jar" />
-	<pathelement location="dist/ipfs.jar" />
-      </classpath>
-      <batchtest haltonfailure="yes">
-	<fileset dir="src/test/java">
-	</fileset>
-	<formatter type="plain"/>
-	<formatter type="xml"/>
-      </batchtest>
-    </junit>
-    <exec executable="./print_test_errors.sh" failonerror="true">
-      <arg value="./TEST*"/>
-    </exec>
-  </target>
-
-  <target name="clean" description="clean up">
-    <delete dir="${build}"/>
-    <delete dir="${dist}"/>
-  </target>
-</project>
diff --git a/lib/cid.jar b/lib/cid.jar
deleted file mode 100644
index 87ace8b..0000000
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diff --git a/lib/hamcrest-2.2.jar b/lib/hamcrest-2.2.jar
deleted file mode 100644
index 7106578..0000000
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diff --git a/lib/junit-4.13.2.jar b/lib/junit-4.13.2.jar
deleted file mode 100644
index 6da55d8..0000000
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diff --git a/lib/multiaddr.jar b/lib/multiaddr.jar
deleted file mode 100644
index f22b1e4..0000000
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diff --git a/lib/multibase.jar b/lib/multibase.jar
deleted file mode 100644
index 1916839..0000000
Binary files a/lib/multibase.jar and /dev/null differ
diff --git a/lib/multihash.jar b/lib/multihash.jar
deleted file mode 100644
index c70ba2d..0000000
Binary files a/lib/multihash.jar and /dev/null differ