diff --git a/src/opm/input/eclipse/share/keywords/000_Eclipse100/N/NNC b/src/opm/input/eclipse/share/keywords/000_Eclipse100/N/NNC
index eac4dd86d..e981b2cc1 100644
--- a/src/opm/input/eclipse/share/keywords/000_Eclipse100/N/NNC
+++ b/src/opm/input/eclipse/share/keywords/000_Eclipse100/N/NNC
@@ -70,14 +70,12 @@
     {
       "item": 12,
       "name": "VE_FACE1",
-      "value_type": "STRING",
-      "default": ""
+      "value_type": "STRING"
     },
     {
       "item": 13,
       "name": "VE_FACE2",
-      "value_type": "STRING",
-      "default": ""
+      "value_type": "STRING"
     },
     {
       "item": 14,