diff --git a/add_parent_logger_getter.patch b/add_parent_logger_getter.patch
deleted file mode 100644
index 40b9268..0000000
--- a/add_parent_logger_getter.patch
+++ /dev/null
@@ -1,29 +0,0 @@
---- modules/jdbc-pool/src/main/java/org/apache/tomcat/jdbc/pool/DataSourceProxy.java.sav	2012-01-17 13:55:44.000000000 +0400
-+++ modules/jdbc-pool/src/main/java/org/apache/tomcat/jdbc/pool/DataSourceProxy.java	2012-01-22 00:44:22.299789107 +0400
-@@ -19,9 +19,11 @@ package org.apache.tomcat.jdbc.pool;
- import java.io.PrintWriter;
- import java.sql.Connection;
- import java.sql.SQLException;
-+import java.sql.SQLFeatureNotSupportedException;
- import java.util.Iterator;
- import java.util.Properties;
- import java.util.concurrent.Future;
-+import java.util.logging.Logger;
- 
- import javax.sql.XAConnection;
- 
-@@ -534,6 +536,14 @@ public class DataSourceProxy implements
-     }
- 
-     /**
-+     * no-op
-+     * {@link javax.sql.DataSource#getParentLogger}
-+     */
-+    public Logger getParentLogger() throws SQLFeatureNotSupportedException {
-+	throw new SQLFeatureNotSupportedException();
-+    }
-+
-+    /**
-      * no-op
-      * {@link javax.sql.DataSource#getLogWriter}
-      */