Index: lams_central/src/java/org/lamsfoundation/lams/authoring/ObjectExtractor.java
===================================================================
diff -u -r2d51ee8a959ecba6a2f6ac2da80b7b9857bc50d0 -rb9563ea5d850eb1d41d17c9fbbe5d633aafc796c
--- lams_central/src/java/org/lamsfoundation/lams/authoring/ObjectExtractor.java	(.../ObjectExtractor.java)	(revision 2d51ee8a959ecba6a2f6ac2da80b7b9857bc50d0)
+++ lams_central/src/java/org/lamsfoundation/lams/authoring/ObjectExtractor.java	(.../ObjectExtractor.java)	(revision b9563ea5d850eb1d41d17c9fbbe5d633aafc796c)
@@ -1233,7 +1233,6 @@
 	GateActivity gateActivity = (GateActivity) activity;
 	gateActivity.setGateActivityLevelId(
 		(Integer) JsonUtil.opt(activityDetails, AuthoringJsonTags.GATE_ACTIVITY_LEVEL_ID));
-	gateActivity.setGateOpen((Boolean) JsonUtil.opt(activityDetails, AuthoringJsonTags.GATE_OPEN));
 
     }
 
Index: lams_common/src/java/org/lamsfoundation/lams/util/AuthoringJsonTags.java
===================================================================
diff -u -r463716d6023591c9c35eeb5057a16c903289029e -rb9563ea5d850eb1d41d17c9fbbe5d633aafc796c
--- lams_common/src/java/org/lamsfoundation/lams/util/AuthoringJsonTags.java	(.../AuthoringJsonTags.java)	(revision 463716d6023591c9c35eeb5057a16c903289029e)
+++ lams_common/src/java/org/lamsfoundation/lams/util/AuthoringJsonTags.java	(.../AuthoringJsonTags.java)	(revision b9563ea5d850eb1d41d17c9fbbe5d633aafc796c)
@@ -87,7 +87,6 @@
     public static final String GATE_END_DATE = "gateEndDateTime";
     public static final String GATE_START_OFFSET = "gateStartTimeOffset";
     public static final String GATE_END_OFFSET = "gateEndTimeOffset";
-    public static final String GATE_OPEN = "gateOpen";
     public static final String GATE_ACTIVITY_COMPLETION_BASED = "gateActivityCompletionBased";
 
     /** Grouping Activity specific tags */