diff --git a/src/basic-config.h b/src/basic-config.h
index 840cddc767c43..3a3969d3001d6 100644
--- a/src/basic-config.h
+++ b/src/basic-config.h
@@ -12,6 +12,8 @@
 #undef USE_ASM_X86_64
 #undef USE_ECMULT_STATIC_PRECOMPUTATION
 #undef USE_ENDOMORPHISM
+#undef USE_EXTERNAL_ASM
+#undef USE_EXTERNAL_DEFAULT_CALLBACKS
 #undef USE_FIELD_10X26
 #undef USE_FIELD_5X52
 #undef USE_FIELD_INV_BUILTIN