diff --git a/build.properties b/build.properties
index 7df81595..d4865527 100644
--- a/build.properties
+++ b/build.properties
@@ -16,8 +16,6 @@ release.dir        = release
 
 
 # tools
-tool.wepp          = tools/wepp
+tool.wepp          = wepp
 tool.jslint        = jslint
-tool.jshint        = jshint
-tool.jsxint.file   = ${build.dir}/_h5ai/js/main-js.js
 
diff --git a/build.xml b/build.xml
index 7b6b1313..8010312b 100644
--- a/build.xml
+++ b/build.xml
@@ -5,8 +5,6 @@
 	default="release"
 >
 
-	<import file="tools/wepp.ant.xml" />
-
 	<target name="init">
 		<property file="build.properties" />
 		<tstamp>
@@ -37,13 +35,13 @@
 	</target>
 
 	<target name="build" depends="build-prepare">
-		<wepp.dir dir="${build.dir}/_h5ai/css" />
-		<wepp.dir dir="${build.dir}/_h5ai/js" />
+		<wepp-dir-min dir="${build.dir}/_h5ai/css" todir="${build.dir}/_h5ai/css" />
+		<wepp-dir-min dir="${build.dir}/_h5ai/js" todir="${build.dir}/_h5ai/js" />
 	</target>
 
 	<target name="build-uncompressed" depends="build-prepare">
-		<wepp.dir dir="${build.dir}/_h5ai/css" args="--nc" />
-		<wepp.dir dir="${build.dir}/_h5ai/js" args="--nc" />
+		<wepp-dir dir="${build.dir}/_h5ai/css" todir="${build.dir}/_h5ai/css" />
+		<wepp-dir dir="${build.dir}/_h5ai/js" todir="${build.dir}/_h5ai/js" />
 	</target>
 
 	<target name="release" depends="build">
@@ -51,25 +49,62 @@
 		<zip destfile="${release.dir}/${project.name}-${project.version}.zip" basedir="${build.dir}" />
 	</target>
 
-	<target name="pre-xint" depends="build-prepare">
-		<wepp file="${tool.jsxint.file}" tofile="${tool.jsxint.file}" args="--nc" />
+	<target name="lint" depends="build-prepare">
+		<wepp file="${build.dir}/_h5ai/js/main-js.js" tofile="${build.dir}/_h5ai/js/main-js.js" />
+		<jslint files="${build.dir}/_h5ai/js/main-js.js" />
 	</target>
 
-	<target name="lint" depends="pre-xint">
-		<echo>JSLint "${tool.jsxint.file}"</echo>
-		<exec executable="${tool.jslint}" failonerror="true">
-			<arg value="${tool.jsxint.file}" />
-		</exec>
-	</target>
 
-	<target name="hint" depends="pre-xint">
-		<echo>JSHint "${tool.jsxint.file}"</echo>
-		<exec executable="${tool.jshint}" failonerror="true">
-			<arg value="${tool.jsxint.file}" />
-		</exec>
-	</target>
+	<macrodef name="wepp-args">
+		<attribute name="args" default="" />
+		<sequential>
+			<exec executable="${tool.wepp}" failonerror="true">
+				<arg line="@{args}" />
+			</exec>
+		</sequential>
+	</macrodef>
 
-	<target name="xint" depends="lint,hint">
-	</target>
+	<macrodef name="wepp">
+		<attribute name="file" />
+		<attribute name="tofile" />
+		<sequential>
+			<wepp-args args="--nc --inFile '@{file}' --outFile '@{toFile}'" />
+		</sequential>
+	</macrodef>
+
+	<macrodef name="wepp-min">
+		<attribute name="file" />
+		<attribute name="tofile" />
+		<sequential>
+			<wepp-args args="--inFile '@{file}' --outFile '@{toFile}'" />
+			<bytes file="@{file}" toFile="@{toFile}" />
+		</sequential>
+	</macrodef>
+
+	<macrodef name="wepp-dir">
+		<attribute name="dir" />
+		<attribute name="todir" />
+		<sequential>
+			<wepp-args args="--nc --inDir '@{dir}' --outDir '@{todir}'" />
+		</sequential>
+	</macrodef>
+
+	<macrodef name="wepp-dir-min">
+		<attribute name="dir" />
+		<attribute name="todir" />
+		<sequential>
+			<wepp-args args="--inDir '@{dir}' --outDir '@{todir}'" />
+		</sequential>
+	</macrodef>
+
+	<macrodef name="jslint">
+		<attribute name="files" />
+		<sequential>
+			<echo>JSLint @{files}</echo>
+			<exec executable="${tool.jslint}" failonerror="false">
+				<arg line="@{files}" />
+			</exec>
+		</sequential>
+	</macrodef>
 
 </project>
diff --git a/tools/wepp b/tools/wepp
deleted file mode 100755
index a6d0cb94..00000000
--- a/tools/wepp
+++ /dev/null
@@ -1,4 +0,0 @@
-#! /usr/bin/env node
-// -*- js -*-
-
-require("wepp").processArgs(process.argv);
diff --git a/tools/wepp.ant.xml b/tools/wepp.ant.xml
deleted file mode 100644
index 8bac3544..00000000
--- a/tools/wepp.ant.xml
+++ /dev/null
@@ -1,40 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<project name="wepp.macros" basedir=".">
-
-	<macrodef name="wepp">
-		<attribute name="file" />
-		<attribute name="toFile" />
-		<attribute name="args" default="" />
-		<sequential>
-			<exec executable="${tool.wepp}">
-				<arg line="@{args}" />
-				<arg value="--in" />
-				<arg value="@{file}" />
-				<arg value="--out" />
-				<arg value="@{toFile}" />
-			</exec>
-		</sequential>
-	</macrodef>
-
-	<macrodef name="wepp.dir">
-		<attribute name="dir" />
-		<attribute name="args" default="" />
-		<sequential>
-			<exec executable="${tool.wepp}">
-				<arg line="@{args}" />
-				<arg value="--inDir" />
-				<arg value="@{dir}" />
-				<arg value="--outDir" />
-				<arg value="@{dir}" />
-			</exec>
-			<delete dir="@{dir}/inc">
-				<fileset
-					dir="."
-					includes="@{dir}/**/*.less"
-					excludes="@{dir}/inc/**,@{dir}/lib/**"
-				/>
-			</delete>
-		</sequential>
-	</macrodef>
-
-</project>