diff --git a/src/main/java/net/fortuna/ical4j/model/Calendar.java b/src/main/java/net/fortuna/ical4j/model/Calendar.java
index a332a8ffc..418e8cb54 100644
--- a/src/main/java/net/fortuna/ical4j/model/Calendar.java
+++ b/src/main/java/net/fortuna/ical4j/model/Calendar.java
@@ -31,26 +31,25 @@
  */
 package net.fortuna.ical4j.model;
 
-import java.io.IOException;
-import java.io.Serializable;
-import java.lang.reflect.InvocationTargetException;
-import java.net.URISyntaxException;
-import java.text.ParseException;
-import java.util.List;
-
-import org.apache.commons.lang3.builder.EqualsBuilder;
-import org.apache.commons.lang3.builder.HashCodeBuilder;
-
 import net.fortuna.ical4j.model.component.CalendarComponent;
 import net.fortuna.ical4j.model.property.CalScale;
 import net.fortuna.ical4j.model.property.Method;
 import net.fortuna.ical4j.model.property.ProdId;
 import net.fortuna.ical4j.model.property.Version;
-import net.fortuna.ical4j.model.rfc5545.RuleManager;
+import net.fortuna.ical4j.transform.rfc5545.RuleManager;
 import net.fortuna.ical4j.util.Strings;
 import net.fortuna.ical4j.validate.AbstractCalendarValidatorFactory;
 import net.fortuna.ical4j.validate.ValidationException;
 import net.fortuna.ical4j.validate.Validator;
+import org.apache.commons.lang3.builder.EqualsBuilder;
+import org.apache.commons.lang3.builder.HashCodeBuilder;
+
+import java.io.IOException;
+import java.io.Serializable;
+import java.lang.reflect.InvocationTargetException;
+import java.net.URISyntaxException;
+import java.text.ParseException;
+import java.util.List;
 
 /**
  * $Id$ [Apr 5, 2004]