diff --git a/.gitignore b/.gitignore
index ee296d0..51110ec 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,6 @@
+# Nested clone (not a declared submodule; use submodule add if it should be tracked)
+transaction-composer/
+
 # Dependencies
 node_modules/
 .pnpm-store/
diff --git a/transaction-composer b/transaction-composer
deleted file mode 160000
index 5b8e3fc..0000000
--- a/transaction-composer
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 5b8e3fc5f93272355295240f87acbf413d4d6f00