diff --git a/scripts/kconfig/kconfigfunctions.py b/scripts/kconfig/kconfigfunctions.py
index 94cb46d3f6b..75b964e0f72 100644
--- a/scripts/kconfig/kconfigfunctions.py
+++ b/scripts/kconfig/kconfigfunctions.py
@@ -29,6 +29,7 @@ if not doc_mode:
             edtlib = inspect.getmodule(edt)
     else:
         edt = None
+        edtlib = None
 
 
 def _warn(kconf, msg):