diff --git a/openjpa-lib/src/main/java/org/apache/openjpa/lib/conf/ConfigurationImpl.java b/openjpa-lib/src/main/java/org/apache/openjpa/lib/conf/ConfigurationImpl.java
index 0b997fdbc..67516add1 100644
--- a/openjpa-lib/src/main/java/org/apache/openjpa/lib/conf/ConfigurationImpl.java
+++ b/openjpa-lib/src/main/java/org/apache/openjpa/lib/conf/ConfigurationImpl.java
@@ -636,7 +636,6 @@ public class ConfigurationImpl
         // <prefix>.properties System property; remove that property so we
         // we don't warn about it
         Configurations.removeProperty("properties", remaining);
-        Configurations.removeProperty("Id", remaining);
         
         // now warn if there are any remaining properties that there
         // is an unhandled prop