diff --git a/.github/workflows/MTKDownstream.yml b/.github/workflows/MTKDownstream.yml
index 5a783c4..5a4f305 100644
--- a/.github/workflows/MTKDownstream.yml
+++ b/.github/workflows/MTKDownstream.yml
@@ -27,8 +27,6 @@ jobs:
       matrix:
         version:
           - "1"
-          - "lts"
-          - "pre"
         group:
           - InterfaceI
           - InterfaceII