diff --git a/.run/All checks [PMD, modernizer, spotbugs, checkstyle].run.xml b/.run/All checks [PMD, spotbugs, checkstyle].run.xml
similarity index 83%
rename from .run/All checks [PMD, modernizer, spotbugs, checkstyle].run.xml
rename to .run/All checks [PMD, spotbugs, checkstyle].run.xml
index 64f2d50d7cc..2ab2d39399e 100644
--- a/.run/All checks [PMD, modernizer, spotbugs, checkstyle].run.xml	
+++ b/.run/All checks [PMD, spotbugs, checkstyle].run.xml	
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="All checks [PMD, modernizer, spotbugs, checkstyle]" type="GradleRunConfiguration" factoryName="Gradle" folderName="Checks">
+  <configuration default="false" name="All checks [PMD, spotbugs, checkstyle]" type="GradleRunConfiguration" factoryName="Gradle" folderName="Checks">
     <ExternalSystemSettings>
       <option name="executionName" />
       <option name="externalProjectPath" value="$PROJECT_DIR$" />
@@ -12,7 +12,6 @@
         <list>
           <option value="pmdMain" />
           <option value="pmdTest" />
-          <option value="modernizer" />
           <option value="spotbugsMain" />
           <option value="checkstyleMain" />
           <option value="checkstyleIntegrationTest" />
@@ -25,6 +24,7 @@
     <ExternalSystemDebugServerProcess>true</ExternalSystemDebugServerProcess>
     <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
     <DebugAllEnabled>false</DebugAllEnabled>
+    <RunAsTest>false</RunAsTest>
     <method v="2" />
   </configuration>
-</component>
+</component>
\ No newline at end of file
diff --git a/.run/Modernizer check [modernizer].run.xml b/.run/Modernizer check [modernizer].run.xml
deleted file mode 100644
index 7e074415ac4..00000000000
--- a/.run/Modernizer check [modernizer].run.xml	
+++ /dev/null
@@ -1,40 +0,0 @@
-<!--
-  ~ Licensed to the Apache Software Foundation (ASF) under one or more
-  ~ contributor license agreements. See the NOTICE file distributed with
-  ~ this work for additional information regarding copyright ownership.
-  ~ The ASF licenses this file to You under the Apache License, Version 2.0
-  ~ (the "License"); you may not use this file except in compliance with
-  ~ the License. You may obtain a copy of the License at
-  ~
-  ~      http://www.apache.org/licenses/LICENSE-2.0
-  ~
-  ~ Unless required by applicable law or agreed to in writing, software
-  ~ distributed under the License is distributed on an "AS IS" BASIS,
-  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  ~ See the License for the specific language governing permissions and
-  ~ limitations under the License.
-  -->
-
-<component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Modernizer check [modernizer]" type="GradleRunConfiguration" factoryName="Gradle" folderName="Checks">
-    <ExternalSystemSettings>
-      <option name="executionName" />
-      <option name="externalProjectPath" value="$PROJECT_DIR$" />
-      <option name="externalSystemIdString" value="GRADLE" />
-      <option name="scriptParameters" value="" />
-      <option name="taskDescriptions">
-        <list />
-      </option>
-      <option name="taskNames">
-        <list>
-          <option value="modernizer" />
-        </list>
-      </option>
-      <option name="vmOptions" />
-    </ExternalSystemSettings>
-    <ExternalSystemDebugServerProcess>true</ExternalSystemDebugServerProcess>
-    <ExternalSystemReattachDebugProcess>true</ExternalSystemReattachDebugProcess>
-    <DebugAllEnabled>false</DebugAllEnabled>
-    <method v="2" />
-  </configuration>
-</component>
\ No newline at end of file
diff --git a/DEVNOTES.md b/DEVNOTES.md
index 28bc86e1eb7..572c4fba008 100644
--- a/DEVNOTES.md
+++ b/DEVNOTES.md
@@ -75,22 +75,6 @@ Run code style checks only:
 Code style check results are generated at:
 * `<mudule-dir>/build/reports/checkstyle/`
 
-### Legacy API
-The project is checked for legacy APIs with [Modernizer Gradle Plugin](https://plugins.gradle.org/plugin/com.github.andygoossens.gradle-modernizer-plugin).
-* [Modernizer rules](check-rules/modernizer-rules.xml)
-
-Plugin is enabled by default and is bound to `build` task.
-
-Build project without legacy API check:
-```shell
-./gradlew clean build -x modernizer
-```
-
-Run legacy API checks only:
-```shell
-./gradlew modernizer
-```
-
 ### Spotbugs
 The project is checked for bugs with [Spotbugs Gradle Plugin](https://github.com/spotbugs/spotbugs-gradle-plugin).
 * [Spotbugs exclusion rules](check-rules/spotbugs-excludes.xml)
diff --git a/build.gradle b/build.gradle
index 1c8664ec61d..de688c01d6c 100644
--- a/build.gradle
+++ b/build.gradle
@@ -21,7 +21,6 @@ plugins {
     id('idea')
     alias(libs.plugins.ideaext)
     alias(libs.plugins.javacc) apply false
-    alias(libs.plugins.modernizer) apply false
     alias(libs.plugins.aggregateJavadoc)
     alias(libs.plugins.spotbugs) apply false
 }
diff --git a/buildscripts/java-core.gradle b/buildscripts/java-core.gradle
index d8b3c4474ca..e0e83c02781 100644
--- a/buildscripts/java-core.gradle
+++ b/buildscripts/java-core.gradle
@@ -20,7 +20,6 @@ apply plugin: 'jacoco'
 apply plugin: 'checkstyle'
 apply plugin: 'pmd'
 apply plugin: 'java-library'
-apply plugin: libs.plugins.modernizer.get().pluginId
 apply plugin: libs.plugins.spotbugs.get().pluginId
 
 java {
@@ -85,15 +84,6 @@ tasks.withType(Checkstyle) {
     }
 }
 
-modernizer {
-    failOnViolations = true
-    includeTestClasses = false
-    violationsFile = "${rootDir}/check-rules/modernizer-rules.xml"
-    ignorePackages = ["org.apache.ignite.internal.sql.engine",
-                      "org.apache.ignite.internal.generated",
-                      "org.apache.ignite.rest.client"]
-}
-
 javadoc {
     source = sourceSets.main.allJava
     classpath = configurations.compileClasspath
diff --git a/check-rules/modernizer-rules.xml b/check-rules/modernizer-rules.xml
deleted file mode 100644
index dce02a219ea..00000000000
--- a/check-rules/modernizer-rules.xml
+++ /dev/null
@@ -1,49 +0,0 @@
-<?xml version="1.0"?>
-
-<!--
-  Licensed to the Apache Software Foundation (ASF) under one or more
-  contributor license agreements.  See the NOTICE file distributed with
-  this work for additional information regarding copyright ownership.
-  The ASF licenses this file to You under the Apache License, Version 2.0
-  (the "License"); you may not use this file except in compliance with
-  the License.  You may obtain a copy of the License at
-       http://www.apache.org/licenses/LICENSE-2.0
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
--->
-
-<modernizer>
-    <!-- Additional rules that augment the standard ones -->
-    <!-- Method/constructor descriptors (used in 'name') can be obtained using 'javap -s'. -->
-
-    <!-- Disallow String#getBytes() -->
-    <violation>
-        <name>java/lang/String.getBytes:()[B</name>
-        <version>1.6</version>
-        <comment>Prefer java.lang.String.getBytes(java.nio.charset.Charset)</comment>
-    </violation>
-
-    <!-- Disallow String(byte[], int, int) constructor -->
-    <violation>
-        <name>java/lang/String."&lt;init&gt;":([BII)V</name>
-        <version>1.6</version>
-        <comment>Prefer java.lang.String.&lt;init&gt;(byte[], int, int, java.nio.charset.Charset)</comment>
-    </violation>
-
-    <!-- Disallow String(byte[]) constructor -->
-    <violation>
-        <name>java/lang/String."&lt;init&gt;":([B)V</name>
-        <version>1.6</version>
-        <comment>Prefer java.lang.String.&lt;init&gt;(byte[], java.nio.charset.Charset)</comment>
-    </violation>
-
-    <!-- Disallow ByteArrayOutputStream#toString() -->
-    <violation>
-        <name>java/io/ByteArrayOutputStream.toString:()Ljava/lang/String;</name>
-        <version>1.10</version>
-        <comment>Prefer java.io.ByteArrayOutputStream.toString(java.nio.charset.Charset)</comment>
-    </violation>
-</modernizer>
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index 72b5e15fdf2..ac5259487fd 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -94,7 +94,6 @@ openapiGenerator = "org.openapi.generator:7.3.0"
 javacc = "com.intershop.gradle.javacc:4.1.3"
 shadow = "com.github.johnrengelman.shadow:7.1.2"
 cmake = "net.freudasoft.gradle-cmake-plugin:0.0.4"
-modernizer = "com.github.andygoossens.modernizer:1.9.2"
 nebula = "com.netflix.nebula.ospackage:11.8.1"
 docker = "com.palantir.docker:0.35.0"
 checksum = "org.gradle.crypto.checksum:1.4.0"