diff --git a/build.gradle b/build.gradle
index d3e550b..a0c0d7e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,44 @@
+class FilteringDependenciesExtention {
+
+    /**
+     * example for 'library':
+     * <pre>
+     * [lib: 'org.bukkit:bukkit:1.12.2-R0.1-SNAPSHOT',
+     * exclude: [
+     *   'com.google.code.gson:gson',
+     *   'com.googlecode.json-simple:json-simple'
+     * ]]
+     * </pre>
+     *
+     * @param library see example
+     */
+    def filter(library) {
+        Object[] result = new Object[2]
+        result[0] = library.lib
+        result[1] = {
+            library.exclude.each { String excludeLibStr ->
+                String[] excludeLib = excludeLibStr.split(':')
+                exclude group: excludeLib[0], module: excludeLib[1]
+            }
+        }
+
+        return result
+    }
+}
+
+class FilteringDependenciesPlugin implements Plugin<Project> {
+
+    @Override
+    void apply(Project target) {
+        target.extensions.create('fildep', FilteringDependenciesExtention)
+    }
+}
+
 plugins {
     id 'java'
 }
 
+apply plugin: FilteringDependenciesPlugin
 apply from: 'libs.gradle'
 
 def publishScript = file(rootProject.getProjectDir().getPath() + '/publish.gradle')
@@ -19,35 +56,17 @@ repositories {
     maven { url 'https://dmx-mc-project.gitlab.io/maven-repository/' }
 }
 
-def compileOnly2(library) {
-    dependencies.compileOnly library.lib, {
-        library.exclude.each { String excludeLibStr ->
-            String[] excludeLib = excludeLibStr.split(':')
-            exclude group: excludeLib[0], module: excludeLib[1]
-        }
-    }
-}
-
-def testImplementation2(library) {
-    dependencies.testImplementation library.lib, {
-        library.exclude.each { String excludeLibStr ->
-            String[] excludeLib = excludeLibStr.split(':')
-            exclude group: excludeLib[0], module: excludeLib[1]
-        }
-    }
-}
-
 dependencies {
     compileOnly libs.lombok
     annotationProcessor libs.lombok
 
-    compileOnly2 libs.bukkit
+    compileOnly fildep.filter(libs.bukkit)
     implementation libs.commons_text
     implementation libs.refobj
 
     testImplementation libs.test.junit5
     testImplementation libs.test.mock
-    testImplementation2 libs.bukkit
+    testImplementation fildep.filter(libs.bukkit)
     testImplementation libs.test.h2db
 }
 
diff --git a/libs.gradle b/libs.gradle
index 2ee7fee..d39f9fa 100644
--- a/libs.gradle
+++ b/libs.gradle
@@ -1,6 +1,7 @@
 ext {
     versions = [junit: '5.5.2']
 
+    //noinspection GroovyAssignabilityCheck
     libs = [
             bukkit      : [lib: 'org.bukkit:bukkit:1.12.2-R0.1-SNAPSHOT', exclude: [
                     'com.google.code.gson:gson',