diff --git a/conf/e2/rules.xml b/conf/e2/rules.xml
index c237773ab..7bde2205f 100644
--- a/conf/e2/rules.xml
+++ b/conf/e2/rules.xml
@@ -15,7 +15,6 @@
   <xi:include href="config://game/familiars.xml"/>
   <xi:include href="config://game/artrewards.xml"/>
   <xi:include href="config://game/buildings.xml"/>
-  <xi:include href="config://core/calendar.xml"/>
   <xi:include href="config://game/equipment.xml"/>
   <xi:include href="config://game/items.xml"/>
   <xi:include href="config://game/spells.xml"/>
diff --git a/conf/e3/rules.xml b/conf/e3/rules.xml
index b86a397c8..7fbf7dc6e 100644
--- a/conf/e3/rules.xml
+++ b/conf/e3/rules.xml
@@ -10,7 +10,6 @@
 
   <xi:include href="config://game/ships.xml"/>
   <xi:include href="config://game/shipnames.xml"/>
-  <xi:include href="config://core/calendar.xml"/>
   <xi:include href="config://game/items.xml" />
   <xi:include href="config://game/races.xml"/>
   <xi:include href="config://game/buildings.xml"/>