diff --git a/jpa/boot-read-replica-postgresql/src/main/java/com/example/demo/readreplica/config/routing/RoutingDataSource.java b/jpa/boot-read-replica-postgresql/src/main/java/com/example/demo/readreplica/config/routing/RoutingDataSource.java
index 9e35188d0..577340c9b 100644
--- a/jpa/boot-read-replica-postgresql/src/main/java/com/example/demo/readreplica/config/routing/RoutingDataSource.java
+++ b/jpa/boot-read-replica-postgresql/src/main/java/com/example/demo/readreplica/config/routing/RoutingDataSource.java
@@ -23,26 +23,4 @@ public static void setReplicaRoute() {
     protected Object determineCurrentLookupKey() {
         return routeContext.get();
     }
-
-    public boolean isWrapperFor(Class<?> iface) throws java.sql.SQLException {
-        // TODO Auto-generated method stub
-        return iface != null && iface.isAssignableFrom(this.getClass());
-    }
-
-    public <T> T unwrap(Class<T> iface) throws java.sql.SQLException {
-        // TODO Auto-generated method stub
-        try {
-            if (iface != null && iface.isAssignableFrom(this.getClass())) {
-                return (T) this;
-            }
-            throw new java.sql.SQLException("Auto-generated unwrap failed; Revisit implementation");
-        } catch (Exception e) {
-            throw new java.sql.SQLException(e);
-        }
-    }
-
-    public java.util.logging.Logger getParentLogger() {
-        // TODO Auto-generated method stub
-        return null;
-    }
 }