diff --git a/posthog/warehouse/api/external_data_source.py b/posthog/warehouse/api/external_data_source.py
index 6247ab9a732b3..5e3ca0047e7ce 100644
--- a/posthog/warehouse/api/external_data_source.py
+++ b/posthog/warehouse/api/external_data_source.py
@@ -17,6 +17,7 @@
     trigger_external_data_workflow,
     delete_external_data_schedule,
     cancel_external_data_workflow,
+    delete_data_import_folder,
 )
 from posthog.warehouse.models import ExternalDataSource
 from posthog.warehouse.models import ExternalDataJob
@@ -128,6 +129,11 @@ def destroy(self, request: Request, *args: Any, **kwargs: Any) -> Response:
         )
         if latest_job and latest_job.workflow_id and latest_job.status == "Running":
             cancel_external_data_workflow(latest_job.workflow_id)
+            try:
+                delete_data_import_folder(latest_job.folder_path)
+            except Exception as e:
+                logger.exception(f"Could not clean up data import folder: {latest_job.folder_path}", exc_info=e)
+                pass
 
         delete_external_data_schedule(instance)
         return super().destroy(request, *args, **kwargs)
diff --git a/posthog/warehouse/data_load/service.py b/posthog/warehouse/data_load/service.py
index 93e120605be3a..625de7efe721f 100644
--- a/posthog/warehouse/data_load/service.py
+++ b/posthog/warehouse/data_load/service.py
@@ -29,6 +29,9 @@
 from temporalio.client import Client as TemporalClient
 from asgiref.sync import async_to_sync
 
+from django.conf import settings
+import s3fs
+
 
 def sync_external_data_job_workflow(external_data_source: ExternalDataSource, create: bool = False) -> str:
     temporal = sync_connect()
@@ -94,3 +97,12 @@ def cancel_external_data_workflow(workflow_id: str):
 async def cancel_workflow(temporal: TemporalClient, workflow_id: str):
     handle = temporal.get_workflow_handle(workflow_id)
     await handle.cancel()
+
+
+def delete_data_import_folder(folder_path: str):
+    s3 = s3fs.S3FileSystem(
+        key=settings.AIRBYTE_BUCKET_KEY,
+        secret=settings.AIRBYTE_BUCKET_SECRET,
+    )
+    bucket_name = settings.BUCKET_URL
+    s3.delete(f"{bucket_name}/{folder_path}", recursive=True)