diff --git a/metadata-models/src/main/pegasus/com/linkedin/platform/event/v1/EntityChangeEvent.pdl b/metadata-models/src/main/pegasus/com/linkedin/platform/event/v1/EntityChangeEvent.pdl
index e134c04d38..bcba1b7a75 100644
--- a/metadata-models/src/main/pegasus/com/linkedin/platform/event/v1/EntityChangeEvent.pdl
+++ b/metadata-models/src/main/pegasus/com/linkedin/platform/event/v1/EntityChangeEvent.pdl
@@ -49,9 +49,4 @@ record EntityChangeEvent {
    * The version of the event type, incremented in integers.
    */
   version: int
-
-  /**
-   * [Future] The source type of the event
-   */
-  source: optional string
 }