removing unused imports
diff --git a/src/javax/persistence/EntityManager.java b/src/javax/persistence/EntityManager.java
index 93a1543..b3293ad 100644
--- a/src/javax/persistence/EntityManager.java
+++ b/src/javax/persistence/EntityManager.java
@@ -15,7 +15,6 @@
******************************************************************************/
package javax.persistence;
-import java.util.Set;
import java.util.Map;
import javax.persistence.metamodel.Metamodel;
import javax.persistence.criteria.CriteriaBuilder;
diff --git a/src/javax/persistence/EntityManagerFactory.java b/src/javax/persistence/EntityManagerFactory.java
index c214655..06dce7a 100644
--- a/src/javax/persistence/EntityManagerFactory.java
+++ b/src/javax/persistence/EntityManagerFactory.java
@@ -15,7 +15,6 @@
******************************************************************************/
package javax.persistence;
-import java.util.Set;
import java.util.Map;
import javax.persistence.metamodel.Metamodel;
import javax.persistence.criteria.CriteriaBuilder;