diff --git a/build.xml b/build.xml
index b190230..918e9d3 100644
--- a/build.xml
+++ b/build.xml
@@ -77,10 +77,9 @@
       <classpath refid="classpath"/>
       <compilerarg value="-Xlint"/>
       <compilerarg value="-Xlint:-serial"/>
+      <compilerarg value="-Xlint:rawtypes"/>
     </javac>
-  </target>
 
-  <target name="test-compile" depends="compile" description="Compiles test classes.">
     <mkdir dir="${tclasses.dir}"/>
     <javac srcdir="${test.dir}" destdir="${tclasses.dir}" includeAntRuntime="false"
            debug="on" optimize="${build.optimize}" source="1.5" target="1.5" encoding="utf-8">
@@ -107,7 +106,7 @@
   <target name="all" depends="clean,compile,javadoc,dist"
           description="Cleans and rebuilds everything including documentation."/>
 
-  <target name="tests" depends="test-compile" description="Runs the unit tests.">
+  <target name="tests" depends="compile" description="Runs the unit tests.">
     <!-- allows passing -Dtest=NamePrefix to restrict to subset of tests -->
     <property name="test" value=""/>
     <taskdef name="unit" classpathref="classpath"