diff --git a/src/ci/resources/tes_application.conf b/src/ci/resources/tes_application.conf
index c2880dd0400..29d66fb6b96 100644
--- a/src/ci/resources/tes_application.conf
+++ b/src/ci/resources/tes_application.conf
@@ -13,7 +13,8 @@ filesystems {
 engine {
   filesystems {
     local {
-      enabled: true
+      # Not suitable for cloud/multi-user Cromwells (WX-1534)
+      enabled: false
     }
     http {
       enabled: true