diff --git a/resources/definitions/ultimaker2.def.json b/resources/definitions/ultimaker2.def.json
index 430b96a6e8..ca580122a0 100644
--- a/resources/definitions/ultimaker2.def.json
+++ b/resources/definitions/ultimaker2.def.json
@@ -108,9 +108,6 @@
         "skin_monotonic" : {
             "value": true
         },
-        "top_bottom_pattern" : {
-            "value":  "'lines'"
-        },
         "fill_outline_gaps": {
             "value": "True"
         },