diff --git a/swig/nalt.i b/swig/nalt.i
index 0f178da..7039b47 100644
--- a/swig/nalt.i
+++ b/swig/nalt.i
@@ -1,3 +1,7 @@
+%ignore nmSerEA;
+%ignore nmSerN;
+%ignore maxSerialName;
+
 %ignore NALT_EA;
 
 %include "nalt.hpp"
\ No newline at end of file