diff --git a/dace/codegen/targets/cpu.py b/dace/codegen/targets/cpu.py
index d39ae5fc9d..0b48b60c25 100644
--- a/dace/codegen/targets/cpu.py
+++ b/dace/codegen/targets/cpu.py
@@ -1513,7 +1513,7 @@ def make_restrict(expr: str) -> str:
         ]
         arguments += [
             f'{node.sdfg.symbols[aname].as_arg(aname)}' for aname in sorted(node.symbol_mapping.keys())
-            if aname not in sdfg.constants
+            if aname not in sdfg.constants and aname in self._frame.free_symbols(node.sdfg)
         ]
         arguments = ', '.join(arguments)
         return f'void {sdfg_label}({arguments}) {{'
@@ -1523,8 +1523,8 @@ def generate_nsdfg_call(self, sdfg, state, node, memlet_references, sdfg_label,
         if state_struct:
             prepend = ['__state']
         args = ', '.join(prepend + [argval for _, _, argval in memlet_references] + [
-            cpp.sym2cpp(symval)
-            for symname, symval in sorted(node.symbol_mapping.items()) if symname not in sdfg.constants
+            cpp.sym2cpp(symval) for symname, symval in sorted(node.symbol_mapping.items())
+            if symname not in sdfg.constants and symname in self._frame.free_symbols(node.sdfg)
         ])
         return f'{sdfg_label}({args});'