diff --git a/src/dvsim/job/deploy.py b/src/dvsim/job/deploy.py
index 71247b85..c1e6871f 100644
--- a/src/dvsim/job/deploy.py
+++ b/src/dvsim/job/deploy.py
@@ -256,7 +256,7 @@ def _check_attrs(self) -> None:
                     msg,
                 )
 
-    def _subst_vars(self, ignored_subst_vars=None) -> None:
+    def _subst_vars(self) -> None:
         """Recursively search and replace substitution variables.
 
         First pass: search within self dict. We ignore errors since some
@@ -266,13 +266,13 @@ def _subst_vars(self, ignored_subst_vars=None) -> None:
         self.__dict__ = find_and_substitute_wildcards(
             obj=self.__dict__,
             wildcard_values=self.__dict__,
-            ignored_wildcards=ignored_subst_vars,
+            ignored_wildcards=None,
             ignore_error=True,
         )
         self.__dict__ = find_and_substitute_wildcards(
             obj=self.__dict__,
             wildcard_values=self.sim_cfg.__dict__,
-            ignored_wildcards=ignored_subst_vars,
+            ignored_wildcards=None,
             ignore_error=False,
         )