diff --git a/java_console/build.xml b/java_console/build.xml
deleted file mode 100644
index 5ff788fd4d..0000000000
--- a/java_console/build.xml
+++ /dev/null
@@ -1,193 +0,0 @@
-<project default="build">
-    <property name="jar_file_folder" value="../java_console_binary"/>
-    <property name="hw_tests" value="build_hw"/>
-    <property name="jar_file" value="${jar_file_folder}/rusefi_console.jar"/>
-
-    <resources id="libs">
-        <string>lib/mockito-all-1.10.19.jar</string>
-        <string>../java_tools/configuration_definition/lib/snakeyaml.jar</string>
-        <string>lib/log4j-api-2.13.3.jar</string>
-        <string>lib/log4j-core-2.13.3.jar</string>
-        <string>lib/jsr305-2.0.1.jar</string>
-        <string>lib/dfu/dfu_java.jar</string>
-        <string>lib/dfu/IntelHexParser.jar</string>
-        <string>lib/json-simple-1.1.1.jar</string>
-        <string>lib/json-simple-1.1.1.jar</string>
-        <string>lib/jaxb-api.jar</string>
-        <string>lib/httpclient.jar</string>
-        <string>lib/httpmime.jar</string>
-        <string>lib/httpcore.jar</string>
-        <string>lib/jSerialComm.jar</string>
-        <string>lib/jcip-annotations-1.0.jar</string>
-        <string>lib/swing-layout-1.0.jar</string>
-        <string>lib/jep.jar</string>
-        <string>lib/log4j.jar</string>
-        <string>lib/junit.jar</string>
-        <string>lib/SteelSeries-3.9.30.jar</string>
-        <string>lib/annotations.jar</string>
-        <string>lib/miglayout-4.0.jar</string>
-        <string>../java_tools/configuration_definition/lib/antlr-4.12.0-complete.jar</string>
-        <string>lib/javacan-core.jar</string>
-    </resources>
-    <pathconvert property="lib_list" refid="libs" pathsep=":" />
-
-    <target name="clean">
-        <delete dir="build"/>
-        <delete dir="${hw_tests}"/>
-    </target>
-
-    <target name="clean_out_folder">
-        <delete dir="out"/>
-    </target>
-
-    <target name="build" depends="jar, test"/>
-
-    <target name="compile">
-        <fail message="Unsupported Java version detected: [${ant.java.version}]
-  Make sure that the Java version is exactly 11.">
-            <condition>
-                <not>
-                    <or>
-                        <equals arg1="${ant.java.version}" arg2="11"/>
-                    </or>
-                </not>
-            </condition>
-        </fail>
-        <mkdir dir="build/classes"/>
-        <javac debug="yes" destdir="build/classes"
-               classpath="${lib_list}"
-               encoding="iso-8859-1">
-            <src path="autotest/src/main/java"/>
-            <src path="../java_tools/configuration_definition/src/main/java"/>
-            <src path="../java_tools/configuration_definition_base/src/main/java"/>
-            <src path="../java_tools/trigger-image/src/main/java"/>
-            <src path="../java_tools/enum_to_string/src/main/java"/>
-            <src path="io/src/main/java"/>
-            <src path="io/src/test/java"/>
-            <src path="io/src/testFixtures/java"/>
-            <src path="luaformatter/src"/>
-            <src path="models/src/main/java"/>
-            <src path="models/src/test/java"/>
-            <src path="inifile/src/main/java"/>
-            <src path="inifile/src/test/java"/>
-            <src path="core_ui/src/main/java"/>
-            <src path="shared_ui/src/main/java"/>
-            <src path="shared_io/src/main/java"/>
-<!--            <src path="shared_io/src/test/java"/>-->
-            <src path="logging-api/src/main/java"/>
-            <src path="ui/src/main/java"/>
-            <src path="ui/src/test/java"/>
-            <src path="logging/src/main/java"/>
-            <!-- uncomment if you want to compile under java 11
-            // see https://github.com/rusefi/rusefi/issues/1526
-            please remove the space between '-' and '-add-exports' it should be double-dash
-                        <compilerarg line="- -add-exports java.xml/com.sun.org.apache.xerces.internal.parsers=ALL-UNNAMED"/>
-                        <compilerarg line="- -add-exports java.xml/com.sun.org.apache.xml.internal.serialize=ALL-UNNAMED"/>
-                        -->
-        </javac>
-    </target>
-
-   <target name="test" depends="compile, copy_c_sources">
-        <junit fork="yes"
-               maxmemory="512m"
-               printsummary="yes"
-               haltonfailure="yes">
-
-            <jvmarg value="-ea"/>
-            <jvmarg value="-XX:+HeapDumpOnOutOfMemoryError"/>
-            <sysproperty key="java.library.path" value="../unit_tests/build"/>
-            <formatter type="brief"/>
-            <classpath
-                    path="build/classes:lib/junit.jar:${lib_list}:lib/commons-logging.jar"/>
-            <batchtest todir="build">
-<!--                at the moment we do NOT have any tests matching this pattern - all hardware tests are not inside 'test' folders -->
-                <fileset dir="autotest/src/main/java" includes="**/test/**/*Test.java"/>
-                <fileset dir="io/src/test/java" includes="**/*Test.java"/>
-                <fileset dir="inifile/src/test/java" includes="**/*Test.java"/>
-                <fileset dir="models/src/test/java" includes="**/*Test.java"/>
-                <fileset dir="ui/src/test/java" includes="**/*Test.java"/>
-                <fileset dir="logging/src/main/java" includes="**/test/**/*Test.java"/>
-            </batchtest>
-        </junit>
-    </target>
-
-    <target name="copy_c_sources">
-        <copy todir="build/classes/c_sources" flatten="true">
-            <fileset dir="../firmware/controllers" includes="**/*.cpp"/>
-            <fileset dir="../firmware/console" includes="**/*.cpp"/>
-        </copy>
-    </target>
-
-    <target name="jar" depends="compile, copy_c_sources">
-        <mkdir dir="build/jar"/>
-        <delete file="${jar_file}"/>
-        <echo message="Building ${jar_file}"/>
-
-        <copy todir="build/classes">
-            <fileset dir="ui/src/main/resources" includes="**/*.gif"/>
-            <fileset dir="ui/src/main/resources" includes="**/*.png"/>
-            <fileset dir="ui/src/main/resources" includes="**/*.jpg"/>
-        </copy>
-
-        <tstamp>
-            <format property="TODAY" pattern="yyyy-MM-dd HH:mm:ss"/>
-        </tstamp>
-
-        <mkdir dir="${jar_file_folder}"/>
-        <jar destfile="${jar_file}" basedir="build/classes">
-            <manifest>
-                <attribute name="Main-Class" value="com.rusefi.Launcher"/>
-                <attribute name="Built-Date" value="${TODAY}"/>
-                <attribute name="Signature-Vendor" value="rusEFI LLC"/>
-            </manifest>
-            <zipfileset src="lib/SteelSeries-3.9.30.jar" includes="**/*.class"/>
-            <zipfileset src="lib/trident-6.2.jar" includes="**/*.class"/>
-            <zipfileset src="lib/swing-layout-1.0.jar" includes="**/*.class"/>
-            <zipfileset src="lib/log4j.jar" includes="**/*.class"/>
-            <zipfileset src="lib/jep.jar" includes="**/*.class"/>
-            <zipfileset src="lib/httpclient.jar" includes="**/*.class"/>
-            <zipfileset src="lib/commons-logging.jar" includes="**/*.class"/>
-            <zipfileset src="lib/javacan-core.jar" includes="**/*.class"/>
-            <zipfileset src="lib/javacan-core-x86_64.jar" includes="**/*.class **/*.xml **/*.properties **/*.so"/>
-            <zipfileset src="lib/slf4j-api.jar" includes="**/*.class"/>
-            <zipfileset src="lib/slf4j-simple.jar" includes="**/*.class"/>
-            <zipfileset src="lib/httpcore.jar" includes="**/*.class"/>
-            <zipfileset src="lib/httpmime.jar" includes="**/*.class"/>
-            <zipfileset src="lib/jaxb-api.jar" includes="**/*.class"/>
-            <zipfileset src="../java_tools/configuration_definition/lib/antlr-4.12.0-complete.jar" includes="**/*.class"/>
-            <zipfileset src="lib/jSerialComm.jar" includes="**/*.class **/*.so **/*.dll **/*.jnilib"/>
-            <zipfileset src="lib/dfu/libusb4java-1.3.0-linux-aarch64.jar" includes="**/*.class **/*.so **/*.dll **/*.jnilib"/>
-            <zipfileset src="lib/dfu/libusb4java-1.3.0-linux-arm.jar" includes="**/*.class **/*.so **/*.dll **/*.jnilib"/>
-            <zipfileset src="lib/dfu/libusb4java-1.3.0-linux-x86.jar" includes="**/*.class **/*.so **/*.dll **/*.jnilib"/>
-            <zipfileset src="lib/dfu/libusb4java-1.3.0-linux-x86-64.jar" includes="**/*.class **/*.so **/*.dll **/*.jnilib"/>
-            <zipfileset src="lib/dfu/libusb4java-1.3.0-darwin-x86-64.jar" includes="**/*.class **/*.so **/*.dll **/*.jnilib"/>
-            <zipfileset src="lib/dfu/usb4java-1.3.0.jar" includes="**/*.class"/>
-            <zipfileset src="lib/dfu/IntelHexParser.jar" includes="**/*.class"/>
-            <zipfileset src="lib/dfu/dfu_java.jar" includes="**/*.class"/>
-            <zipfileset src="lib/annotations.jar" includes="**/*.class"/>
-            <zipfileset src="lib/miglayout-4.0.jar" includes="**/*.class"/>
-            <zipfileset src="lib/batik/batik-svggen.jar" includes="**/*.class"/>
-            <zipfileset src="lib/batik/batik-awt-util.jar" includes="**/*.class"/>
-            <zipfileset src="lib/batik/batik-util.jar" includes="**/*.class"/>
-            <zipfileset src="lib/json-simple-1.1.1.jar" includes="**/*.class"/>
-            <zipfileset src="lib/junit.jar" includes="**/*.class"/>
-        </jar>
-    </target>
-
-    <target name="run" depends="jar">
-        <java jar="${jar_file}" fork="true"/>
-    </target>
-
-    <target name="simulator_test" depends="jar">
-        <java classpath="${jar_file}" classname="com.rusefi.SimulatorFunctionalTest" failonerror="true" args="start">
-        </java>
-
-    </target>
-
-    <target name="before_IDEA_Build">
-        <copy todir=".">
-            <fileset dir="../firmware/tunerstudio" includes="rusefi.ini"/>
-        </copy>
-
-    </target>
-</project>
diff --git a/java_tools/configuration_definition/build.gradle b/java_tools/configuration_definition/build.gradle
index e03dabb359..9c0e74b8b0 100644
--- a/java_tools/configuration_definition/build.gradle
+++ b/java_tools/configuration_definition/build.gradle
@@ -26,10 +26,6 @@ shadowJar {
                 'Main-Class': 'com.rusefi.ConfigDefinition'
         )
     }
-    /*
-     to keep only classes from logging
-     and loggin-api as in build.xml
-    */
     dependencies {
         exclude(dependency(global_libs.jsr305))
         exclude(dependency(global_libs.junit))
diff --git a/java_tools/enum_to_string/build.gradle b/java_tools/enum_to_string/build.gradle
index 5235ea627a..eabe5dfe62 100644
--- a/java_tools/enum_to_string/build.gradle
+++ b/java_tools/enum_to_string/build.gradle
@@ -22,10 +22,6 @@ shadowJar {
         )
     }
 
-    /*
-     to keep only classes from logging
-     and logging-api as in build.xml
-    */
     dependencies {
         exclude(dependency(global_libs.jsr305))
         exclude(dependency(global_libs.junit))
diff --git a/java_tools/ts_plugin_launcher/build.gradle b/java_tools/ts_plugin_launcher/build.gradle
index 88a62d8fde..dfa0563996 100644
--- a/java_tools/ts_plugin_launcher/build.gradle
+++ b/java_tools/ts_plugin_launcher/build.gradle
@@ -60,8 +60,6 @@ shadowJar {
   }
 }
 
-
-// custom task from build.xml
 tasks.register('launcher_local_install', Copy) {
   dependsOn tasks.shadowJar
   from layout.buildDirectory.dir( jarDir + '/' + jarName + '.jar')