diff --git a/mpbb-cleanup b/mpbb-cleanup
index c3fc4b2..aa584b8 100644
--- a/mpbb-cleanup
+++ b/mpbb-cleanup
@@ -81,11 +81,13 @@ cleanup() {
     DISK_FREE_THRESHOLD=15000000
 
     if [[ ${BUILDBOT_BUILDERNAME:-unknown} == *-watcher || "$disk_free_before" -lt "$DISK_FREE_THRESHOLD" ]]; then
-        echo
-        echo "----> Uninstalling unneeded ports"
-        # $thisdir is set by mpbb and points to the directory in which this script resides
-        # shellcheck disable=SC2154
-        "$(readlink "${option_prefix}/bin/port-tclsh")" "${thisdir}/tools/uninstall-unneeded-ports.tcl"
+        if [[ ${BUILDBOT_BUILDERNAME:-unknown} == *-watcher ]]; then
+            echo
+            echo "----> Uninstalling unneeded ports"
+            # $thisdir is set by mpbb and points to the directory in which this script resides
+            # shellcheck disable=SC2154
+            "$(readlink "${option_prefix}/bin/port-tclsh")" "${thisdir}/tools/uninstall-unneeded-ports.tcl"
+        fi
         if [ ! -L "${option_prefix}/var/macports/distfiles" ]; then
             echo
             echo "----> Deleting distfiles"