diff --git a/pom.xml b/pom.xml
index a6d6b4b..1d87019 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,27 +50,9 @@
   </distributionManagement>
 
   <properties>
-    <kotlin.code.style>official</kotlin.code.style>
-    <kotlin.compiler.jvmTarget>1.8</kotlin.compiler.jvmTarget>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
 
-  <dependencyManagement>
-    <dependencies>
-      <dependency>
-        <groupId>org.jetbrains.kotlin</groupId>
-        <artifactId>kotlin-stdlib-jdk8</artifactId>
-        <version>1.3.61</version>
-      </dependency>
-      <dependency>
-        <groupId>org.jetbrains.kotlin</groupId>
-        <artifactId>kotlin-test-junit5</artifactId>
-        <version>1.3.61</version>
-        <scope>test</scope>
-      </dependency>
-    </dependencies>
-  </dependencyManagement>
-
   <repositories>
     <repository>
       <id>michaelbull</id>
@@ -136,11 +118,6 @@
   <build>
     <pluginManagement>
       <plugins>
-        <plugin>
-          <groupId>com.github.gantsign.maven</groupId>
-          <artifactId>ktlint-maven-plugin</artifactId>
-          <version>1.4.0</version>
-        </plugin>
         <plugin>
           <groupId>com.github.maven-nar</groupId>
           <artifactId>nar-maven-plugin</artifactId>
@@ -256,51 +233,13 @@
           <artifactId>jacoco-maven-plugin</artifactId>
           <version>0.8.4</version>
         </plugin>
-        <plugin>
-          <groupId>org.jetbrains.kotlin</groupId>
-          <artifactId>kotlin-maven-plugin</artifactId>
-          <version>1.3.61</version>
-        </plugin>
       </plugins>
     </pluginManagement>
     <plugins>
-      <plugin>
-        <groupId>com.github.gantsign.maven</groupId>
-        <artifactId>ktlint-maven-plugin</artifactId>
-        <executions>
-          <execution>
-            <id>check</id>
-            <goals>
-              <goal>check</goal>
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
       <plugin>
         <groupId>io.github.zlika</groupId>
         <artifactId>reproducible-build-maven-plugin</artifactId>
       </plugin>
-      <plugin>
-        <groupId>org.jetbrains.kotlin</groupId>
-        <!--suppress KotlinMavenPluginPhase -->
-        <artifactId>kotlin-maven-plugin</artifactId>
-        <!--suppress DifferentKotlinMavenVersion -->
-        <version>1.3.61</version>
-        <executions>
-          <execution>
-            <id>compile</id>
-            <goals>
-              <goal>compile</goal>
-            </goals>
-          </execution>
-          <execution>
-            <id>test-compile</id>
-            <goals>
-              <goal>test-compile</goal>
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-compiler-plugin</artifactId>
@@ -308,30 +247,6 @@
           <source>1.8</source>
           <target>1.8</target>
         </configuration>
-        <executions>
-          <execution>
-            <id>default-compile</id>
-            <phase>none</phase>
-          </execution>
-          <execution>
-            <id>default-testCompile</id>
-            <phase>none</phase>
-          </execution>
-          <execution>
-            <id>java-compile</id>
-            <phase>compile</phase>
-            <goals>
-              <goal>compile</goal>
-            </goals>
-          </execution>
-          <execution>
-            <id>java-test-compile</id>
-            <phase>test-compile</phase>
-            <goals>
-              <goal>testCompile</goal>
-            </goals>
-          </execution>
-        </executions>
       </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>