diff --git a/macports/postinstall_with_uninstall b/macports/postinstall_with_uninstall
index 036d33b4..065be301 100755
--- a/macports/postinstall_with_uninstall
+++ b/macports/postinstall_with_uninstall
@@ -1,73 +1,72 @@
 #!/bin/bash
 INSTDIR="$2/opt/rkward"
-INSTALLER_USER=$(stat -f '%Su' $HOME)
 "${INSTDIR}/bin/update-mime-database" -V "${INSTDIR}/share/mime"
 if [ -d "${INSTDIR}/share/rkward" ] ; then
   mkdir -p "${INSTDIR}/share/rkward/macOS"
   # generate uninstall script
     cat <<EOF > "${INSTDIR}/share/rkward/macOS/uninstall.scpt"
 set RKWardDir to "${INSTDIR}"
 set haveRKWard to false
 tell application "System Events"
   if exists folder RKWardDir then
     set haveRKWard to true
   end if
 end tell
 if haveRKWard
   try
     display dialog "Most of RKWard's installation resides in " & RKWardDir & ". To uninstall RKWard completely that directory should be deleted as well.\n\nDo you want to remove it now?\n\nIf you choose this option, all files below " & RKWardDir & " will not be moved to Trash but removed permanently!"  buttons {"No, keep for now", "Yes, completely remove"} default button "Yes, completely remove" cancel button "No, keep for now" with title "Remove RKWard completely?" with icon caution
     set {buttonReturned} to {button returned of result}
     if buttonReturned is "Yes, completely remove" then
       try
         do shell script "rm -rf \"" & RKWardDir & "\"" with administrator privileges
         do shell script "rm ~/Library/LaunchAgents/org.macports.kf5-rkward.plist"
       on error
         display alert "Failed removing " & RKWardDir & "!"
       end try
     end if
   end try
 end if
 EOF
   # generate watch job
   cat <<EOF > "${INSTDIR}/share/rkward/macOS/org.macports.kf5-rkward.plist"
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
   <dict>
     <key>Label</key>
     <string>org.macports.kf5-rkward</string>
     <key>WatchPaths</key>
     <array>
       <string>~/.Trash/rkward.app</string>
     </array>
     <key>ProgramArguments</key>
     <array>
       <string>osascript</string>
       <string>${INSTDIR}/share/rkward/macOS/uninstall.scpt</string>
     </array>
     <key>KeepAlive</key>
     <false/>
   </dict>
 </plist>
 EOF
   # add watch job agent to startup script
   if [ $(file "$2/Applications/rkward.app/Contents/MacOS/rkward.rbackend" | grep text) ] ; then
     sed -i -e "1 a \
 AGENT=\"org.macports.kf5-rkward\" \n\
 AGENTSDIR=\"~/Library/LaunchAgents\" \n\
 PLISTSOURCE=\"${INSTDIR}/share/rkward/macOS/\${AGENT}.plist\" \n\
 PLISTTARGET=\"\${AGENTSDIR}/\${AGENT}.plist\" \n\
 if [ -f \"\${PLISTSOURCE}\" ] ; then \n\
   if ! [ -d \"\${AGENTSDIR}\" ] ; then \n\
     mkdir -p \"\${AGENTSDIR}\" \n\
   fi \n\
   if ! [ -f \"\${PLISTTARGET}\" ] ; then \n\
     ln -sf \"\${PLISTSOURCE}\" \"\${PLISTTARGET}\" \n\
   fi \n\
   if ! [ \$(launchctl list | grep \${AGENT}) ] ; then \n\
     launchctl load -w \"\${PLISTTARGET}\" \n\
   fi \n\
 fi" "$2/Applications/rkward.app/Contents/MacOS/rkward.rbackend"
   fi
 fi
 exit 0