diff --git a/tools/kconfig_new/kconfiglib.py b/tools/kconfig_new/kconfiglib.py
index 527c5a55a2..a8522a5c89 100644
--- a/tools/kconfig_new/kconfiglib.py
+++ b/tools/kconfig_new/kconfiglib.py
@@ -924,7 +924,7 @@ class Kconfig(object):
 
             def write_node(node):
                 item = node.item
-                if isinstance(item, Symbol):
+                if isinstance(item, Symbol) and item.env_var is None:
                     config_string = item.config_string
                     if config_string:
                         write(config_string)