diff --git a/core/java/android/provider/Calendar.java b/core/java/android/provider/Calendar.java
index 5e36852243600..a52b86ad857b6 100644
--- a/core/java/android/provider/Calendar.java
+++ b/core/java/android/provider/Calendar.java
@@ -84,11 +84,6 @@ public final class Calendar {
      */
     public interface CalendarsColumns
     {
-        /**
-         * A string that uniquely identifies this contact to its source
-         */
-        public static final String SOURCE_ID = "sourceid";
-
         /**
          * The color of the calendar
          * <P>Type: INTEGER (color value)</P>