diff --git a/src/gwt/build.xml b/src/gwt/build.xml
index 83e9433..f1ee63d 100644
--- a/src/gwt/build.xml
+++ b/src/gwt/build.xml
@@ -87,29 +87,7 @@
    <!-- ensure version matches RSTUDIO_NODE_VERSION -->
    <property name="node.version" value="16.14.0"/>
    <property name="node.dir" value="../../dependencies/common/node/${node.version}"/>
-   <!-- use yarn from system but will prefer yarn from dependencies if available -->
-   <condition property="yarn.bin" value="yarn">
-     <not>
-        <os family="windows" />
-     </not>
-   </condition>
-   <available
-      property="yarn.bin"
-      value="${node.dir}/bin/yarn"
-      file="${node.dir}/bin/yarn"/>
-   <condition property="yarn.bin" value="${node.dir}/node_modules/yarn/bin/yarn.cmd">
-     <os family="windows" />
-   </condition>
-   <!-- use yarn from /opt/rstudio-tools if installed (typical for Docker) -->
-   <available
-      property="yarn.bin"
-      value="/opt/rstudio-tools/dependencies/common/node/${node.version}/bin/yarn"
-      file="/opt/rstudio-tools/dependencies/common/node/${node.version}/bin/yarn"/>
-   <!-- use yarn from c:/rstudio-tools if installed (typical for Docker on Windows) -->
-   <available
-      property="yarn.bin"
-      value="c:\rstudio-tools\dependencies\common\node\${node.version}\node_modules\yarn\bin\yarn.cmd"
-      file="c:\rstudio-tools\dependencies\common\node\${node.version}\node_modules\yarn\bin\yarn.cmd"/>
+   <property name="node.bin" value="@node@/bin/node"/>
 
    <property name="panmirror.dir" value="./lib/quarto/apps/panmirror"/>
    <property name="panmirror.build.dir" value="./www/js/panmirror"/>
@@ -126,21 +104,11 @@
       file="c:\rstudio-tools\src\gwt\lib\quarto\apps\panmirror"/>
 
    <target name="panmirror" description="Compile panmirror library">
-      <echo message="yarn location: ${yarn.bin}"/>
-      <echo message="panmirror location: ${panmirror.dir}"/>
       <mkdir dir="${panmirror.build.dir}"/>
-      <exec executable="${yarn.bin}" dir="${panmirror.dir}" resolveexecutable="true" failonerror="true">
-         <arg value="install"/>
-         <arg value="--network-timeout"/>
-         <arg value="240000"/>
-      </exec>
-      <exec executable="${yarn.bin}" dir="${panmirror.dir}" resolveexecutable="true" failonerror="true">
-         <arg value="build"/>
-         <env key="PANMIRROR_OUTDIR" value="dist-rstudio"/>
+      <exec executable="${node.bin}" dir="${panmirror.dir}" spawn="${panmirror.spawn}">
+         <arg value="fuse"/>
+         <arg value="${panmirror.target}"/>
       </exec>
-      <copy todir="${panmirror.build.dir}">
-         <fileset dir="${panmirror.dir}/dist-rstudio"/>
-      </copy>
    </target>
 
    <target name="javac" description="Compile java source">