diff --git a/salt/elasticfleet/tools/sbin_jinja/so-elastic-fleet-package-upgrade b/salt/elasticfleet/tools/sbin_jinja/so-elastic-fleet-package-upgrade
index 17e7f8c43..cb187f9e1 100644
--- a/salt/elasticfleet/tools/sbin_jinja/so-elastic-fleet-package-upgrade
+++ b/salt/elasticfleet/tools/sbin_jinja/so-elastic-fleet-package-upgrade
@@ -11,12 +11,34 @@
 PKG_LOAD_FAILURES=0
 PKG_LOAD_FAILURES_NAMES=()
 
+cleanup_elasticsearch_fleet_transforms() {
+    local transforms transform_id attempt
+    
+    if ! transforms=$(so-elasticsearch-query "_transform/logs-elasticsearch.index_pivot-default-*" --retry 1 --retry-delay 5); then
+        echo "WARNING: Unable to list Elasticsearch Fleet transforms; continuing package upgrade." >&2
+        return 0
+    fi
+
+    while IFS= read -r transform_id; do
+        [ -n "$transform_id" ] || continue
+        for attempt in {1..3}; do
+            if so-elasticsearch-query "_transform/$transform_id?force=true" -XDELETE --fail --retry 1 --retry-delay 5; then
+                break
+            fi
+            sleep 5
+        done
+    done < <(jq -r '.transforms[]?.id' <<< "$transforms")
+}
+
 {%- for PACKAGE in SUPPORTED_PACKAGES %}
 if INSTALLED_VERSION=$(elastic_fleet_package_version_check "{{ PACKAGE }}") && LATEST_VERSION=$(elastic_fleet_package_latest_version_check "{{ PACKAGE }}"); then
 
     if [ "$INSTALLED_VERSION" == "$LATEST_VERSION" ]; then
         echo "{{ PACKAGE }} integration version $INSTALLED_VERSION is already at the reported latest version $LATEST_VERSION, skipping upgrade."
     else
+{%- if PACKAGE == 'elasticsearch' %}
+        cleanup_elasticsearch_fleet_transforms
+{%- endif %}
         echo "Upgrading {{ PACKAGE }} package from $INSTALLED_VERSION to version $LATEST_VERSION..."
         if ! elastic_fleet_package_install "{{ PACKAGE }}" "$LATEST_VERSION"; then
             PKG_LOAD_FAILURES=$((PKG_LOAD_FAILURES + 1))