diff --git a/src/main/java/org/xembly/Output.java b/src/main/java/org/xembly/Output.java
deleted file mode 100644
index b848a5e..0000000
--- a/src/main/java/org/xembly/Output.java
+++ /dev/null
@@ -1,114 +0,0 @@
-/*
- * Copyright (c) 2013-2023, xembly.org
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met: 1) Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer. 2) Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials provided
- * with the distribution. 3) Neither the name of the xembly.org nor
- * the names of its contributors may be used to endorse or promote
- * products derived from this software without specific prior written
- * permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
- * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-package org.xembly;
-
-import java.util.HashMap;
-import java.util.Map;
-import javax.xml.transform.OutputKeys;
-import javax.xml.transform.Transformer;
-
-/**
- * Output type for Xembler to use.
- * Allows to configure the output.
- * @since 0.30
- */
-public interface Output {
-
-    /**
-     * Prepare transformer before using it.
-     * @param transformer Transformer to prepare.
-     * @since 0.30
-     */
-    void prepare(Transformer transformer);
-
-    /**
-     * Document output.
-     * Can accept properties to configure the output.
-     * @since 0.30
-     */
-    final class Document implements Output {
-
-        /**
-         * Properties to configure the output.
-         */
-        private final Map<String, String> properties;
-
-        /**
-         * Ctor.
-         * Uses default properties.
-         * @since 0.30
-         */
-        public Document() {
-            this(Document.defaultProperties());
-        }
-
-        /**
-         * Ctor.
-         * @param properties Properties to configure the output.
-         * @since 0.30
-         */
-        public Document(final Map<String, String> properties) {
-            this.properties = properties;
-        }
-
-        @Override
-        public void prepare(final Transformer transformer) {
-            this.properties.forEach(transformer::setOutputProperty);
-        }
-
-        /**
-         * Default properties prestructor.
-         * @return Properties to configure the output.
-         */
-        private static Map<String, String> defaultProperties() {
-            final Map<String, String> res = new HashMap<>();
-            res.put(OutputKeys.INDENT, "yes");
-            res.put(OutputKeys.ENCODING, "UTF-8");
-            return res;
-        }
-    }
-
-    /**
-     * Node output.
-     * Omits XML declaration:
-     * <p>{@code
-     * <?xml version="1.0" encoding="UTF-8"?>
-     * }</p>
-     * @since 0.30
-     */
-    final class Node implements Output {
-
-        @Override
-        public void prepare(final Transformer transformer) {
-            transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
-        }
-    }
-
-}