diff --git a/.ci/buildchain-project-dependencies.yaml b/.ci/buildchain-project-dependencies.yaml
index 1cb7f1146a3..951427e3824 100644
--- a/.ci/buildchain-project-dependencies.yaml
+++ b/.ci/buildchain-project-dependencies.yaml
@@ -23,13 +23,9 @@ dependencies:
     mapping:
       dependencies:
         default:
-          - source: development
-            target: 9.x
           - source: development
             target: main
       dependant:
         default:
-          - source: 9.x
-            target: development
           - source: main
             target: development