diff --git a/platform/platform-tests/testSrc/com/intellij/util/JDOMUtilTest.kt b/platform/platform-tests/testSrc/com/intellij/util/JDOMUtilTest.kt
index 3228856b449c..8bf5b047ff2b 100644
--- a/platform/platform-tests/testSrc/com/intellij/util/JDOMUtilTest.kt
+++ b/platform/platform-tests/testSrc/com/intellij/util/JDOMUtilTest.kt
@@ -1,4 +1,4 @@
-// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.util
 
 import com.intellij.openapi.application.ex.PathManagerEx
@@ -340,6 +340,6 @@ internal class JDOMUtilTest {
   }
 
   private fun assertElementText(actual: Element, expected: String) {
-    assertThat(JDOMUtil.createOutputter("").outputString(actual)).isEqualTo(expected)
+    assertThat(JDOMUtil.writeElement(actual)).isEqualTo(expected)
   }
 }
diff --git a/platform/tasks-platform-impl/src/com/intellij/tasks/impl/TaskUtil.java b/platform/tasks-platform-impl/src/com/intellij/tasks/impl/TaskUtil.java
index 409b1d7f14e4..48077b501b81 100644
--- a/platform/tasks-platform-impl/src/com/intellij/tasks/impl/TaskUtil.java
+++ b/platform/tasks-platform-impl/src/com/intellij/tasks/impl/TaskUtil.java
@@ -1,4 +1,4 @@
-// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.tasks.impl;
 
 import com.google.gson.Gson;
@@ -16,12 +16,11 @@ import com.intellij.tasks.LocalTask;
 import com.intellij.tasks.Task;
 import com.intellij.tasks.TaskRepository;
 import com.intellij.util.containers.ContainerUtil;
-import org.jdom.Element;
+import com.intellij.util.text.Matcher;
 import org.jetbrains.annotations.Nls;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.io.InputStream;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 import java.time.Instant;
@@ -165,38 +164,13 @@ public final class TaskUtil {
     return tasksEqual(Arrays.asList(task1), Arrays.asList(task2));
   }
 
-  /**
-   * Print pretty-formatted XML to {@code logger}, if its level is DEBUG or below.
-   */
-  public static void prettyFormatXmlToLog(@NotNull Logger logger, @NotNull Element element) {
-    if (logger.isDebugEnabled()) {
-      // alternatively
-      //new XMLOutputter(Format.getPrettyFormat()).outputString(root)
-      logger.debug("\n" + JDOMUtil.createOutputter("\n").outputString(element));
-    }
-  }
-
-  /**
-   * Parse and print pretty-formatted XML to {@code logger}, if its level is DEBUG or below.
-   */
-  public static void prettyFormatXmlToLog(@NotNull Logger logger, @NotNull InputStream xml) {
-    if (logger.isDebugEnabled()) {
-      try {
-        logger.debug("\n" + JDOMUtil.createOutputter("\n").outputString(JDOMUtil.load(xml)));
-      }
-      catch (Exception e) {
-        logger.debug(e);
-      }
-    }
-  }
-
   /**
    * Parse and print pretty-formatted XML to {@code logger}, if its level is DEBUG or below.
    */
   public static void prettyFormatXmlToLog(@NotNull Logger logger, @NotNull String xml) {
     if (logger.isDebugEnabled()) {
       try {
-        logger.debug("\n" + JDOMUtil.createOutputter("\n").outputString(JDOMUtil.load(xml)));
+        logger.debug("\n" + JDOMUtil.write(JDOMUtil.load(xml)));
       }
       catch (Exception e) {
         logger.debug(e);
@@ -219,21 +193,6 @@ public final class TaskUtil {
     }
   }
 
-  /**
-   * Parse and print pretty-formatted Json to {@code logger}, if its level is DEBUG or below.
-   */
-  public static void prettyFormatJsonToLog(@NotNull Logger logger, @NotNull JsonElement json) {
-    if (logger.isDebugEnabled()) {
-      try {
-        Gson gson = new GsonBuilder().setPrettyPrinting().create();
-        logger.debug("\n" + gson.toJson(json));
-      }
-      catch (JsonSyntaxException e) {
-        logger.debug("Malformed JSON\n" + json);
-      }
-    }
-  }
-
   /**
    * Perform standard {@code application/x-www-urlencoded} translation for string {@code s}.
    *
@@ -244,12 +203,12 @@ public final class TaskUtil {
   }
 
   public static List<Task> filterTasks(final String pattern, final List<? extends Task> tasks) {
-    final com.intellij.util.text.Matcher matcher = getMatcher(pattern);
+    final Matcher matcher = getMatcher(pattern);
     return ContainerUtil.mapNotNull(tasks,
                                     task -> matcher.matches(task.getPresentableId()) || matcher.matches(task.getSummary()) ? task : null);
   }
 
-  private static com.intellij.util.text.Matcher getMatcher(String pattern) {
+  private static Matcher getMatcher(String pattern) {
     StringTokenizer tokenizer = new StringTokenizer(pattern, " ");
     StringBuilder builder = new StringBuilder();
     while (tokenizer.hasMoreTokens()) {
diff --git a/platform/util/testSrc/com/intellij/util/XMLOutputterTest.java b/platform/util/testSrc/com/intellij/util/XMLOutputterTest.java
index 2b35e560644a..1c8bf4aa3b5e 100644
--- a/platform/util/testSrc/com/intellij/util/XMLOutputterTest.java
+++ b/platform/util/testSrc/com/intellij/util/XMLOutputterTest.java
@@ -1,4 +1,4 @@
-// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2024 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
 package com.intellij.util;
 
 import com.intellij.openapi.util.JDOMUtil;
@@ -27,7 +27,7 @@ public class XMLOutputterTest extends TestCase {
 
   private static String printElement(Element root) throws IOException {
     XMLOutputter xmlOutputter = JDOMUtil.createOutputter("\n");
-    final Format format = xmlOutputter.getFormat().setOmitDeclaration(true).setOmitEncoding(true).setExpandEmptyElements(true);
+    Format format = xmlOutputter.getFormat().setOmitDeclaration(true).setOmitEncoding(true).setExpandEmptyElements(true);
     xmlOutputter.setFormat(format);
 
     CharArrayWriter writer = new CharArrayWriter();