diff --git a/src/objdictgen/maps.py b/src/objdictgen/maps.py
index c14673b..c3e1570 100644
--- a/src/objdictgen/maps.py
+++ b/src/objdictgen/maps.py
@@ -505,6 +505,8 @@ def FindMapVariableList(self, node: Node, compute=True) -> Generator[tuple[int,
         It yields tuple of (index, subindex, size, name)
         """
         for index, entry in self.items():
+            if entry.get("need") is False:
+                continue
             values = entry["values"]
             for subindex, subvalue in enumerate(values):
                 if not subvalue["pdo"]: