Solved Shadow jar shading everything?

Currently struggling with my shadow jar build, as it compiles correctly but involves every package/class/etc that I've used, and not just the one I put in the shadowjar.
This is my build.gradle

Code (Text):

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.github.jengelman.gradle.plugins:shadow:5.2.0'
    }
}

apply plugin: 'java'
apply plugin: 'com.github.johnrengelman.shadow'

group = pluginGroup
version = pluginVersion

sourceCompatibility = '1.8'
targetCompatibility = '1.8'

repositories {
    mavenCentral()
    maven {
        name = 'spigotmc-repo'
        url = 'https://hub.spigotmc.org/nexus/content/repositories/snapshots/'
    }
    maven {
        name = 'sonatype'
        url = 'https://oss.sonatype.org/content/groups/public/'
    }
    maven { url 'https://jitpack.io' }
    maven {
        name = 'codemc-repo'
        url = 'https://repo.codemc.io/repository/maven-public/'
    }
}

dependencies {
    testCompile group: 'junit', name: 'junit', version: '4.12'
    compileOnly 'org.spigotmc:spigot-api:1.15.2-R0.1-SNAPSHOT'
    compileOnly "com.github.MilkBowl:VaultAPI:1.7"
    compile group: 'de.tr7zw', name: 'item-nbt-api-plugin', version: '2.2.0'
    compile fileTree(include: ['*.jar'], dir: 'libs')
}

shadowJar {
    dependencies {
        include dependency("de.tr7zw:item-nbt-api-plugin:2.2.0")
    }
    relocate("de.tr7zw", "shaded.de.tr7zw")
}

import org.apache.tools.ant.filters.ReplaceTokens

processResources {
    from(sourceSets.main.resources.srcDirs) {
        filter ReplaceTokens, tokens: [version: version]
    }
}
 

Anyone know how to fix this?

 

I have the Spigot 1.15.2 NMS jar, should I just change the dir to "libraries" and make my build.gradle use that?

 

I could try that yeah

EDIT: That seemed to fix it, thank you!