diff --git a/Tiltfile b/Tiltfile
index 976ef52aba9..27bca102401 100644
--- a/Tiltfile
+++ b/Tiltfile
@@ -324,7 +324,7 @@ def flavors():
 
     local_resource(
         name = "delete-all-workload-clusters",
-        cmd = ["sh", "-ec", delete_all_workload_clusters],
+        cmd = [delete_all_workload_clusters],
         auto_init = False,
         trigger_mode = TRIGGER_MODE_MANUAL,
         labels = ["flavors"],