diff --git a/src/gwt/build.xml.orig b/src/gwt/build.xml
index 83e9433..cbe46cf 100644
--- a/src/gwt/build.xml.orig
+++ b/src/gwt/build.xml
@@ -85,31 +85,7 @@
 
    <!-- panmirror typescript library -->
    <!-- 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="yarn.bin" value="/usr/bin/yarn"/>
 
    <property name="panmirror.dir" value="./lib/quarto/apps/panmirror"/>
    <property name="panmirror.build.dir" value="./www/js/panmirror"/>
