diff --git a/scenario-compiler/src/main/scala/pl/touk/nussknacker/engine/testing/ModelJarBuilder.scala b/scenario-compiler/src/main/scala/pl/touk/nussknacker/engine/testing/ModelJarBuilder.scala
deleted file mode 100644
index 1d387649594..00000000000
--- a/scenario-compiler/src/main/scala/pl/touk/nussknacker/engine/testing/ModelJarBuilder.scala
+++ /dev/null
@@ -1,35 +0,0 @@
-package pl.touk.nussknacker.engine.testing
-
-import java.io.{File, FileOutputStream}
-import java.nio.charset.StandardCharsets
-import java.nio.file.Files
-import java.util.jar.{JarEntry, JarOutputStream}
-import pl.touk.nussknacker.engine.api.process.ProcessConfigCreator
-
-import scala.reflect.ClassTag
-import scala.util.Using
-
-object ModelJarBuilder {
-
-  // mainly for testing
-  def buildJarWithConfigCreator[T <: ProcessConfigCreator: ClassTag](
-      outputFile: File = Files.createTempFile("creator", ".jar").toFile
-  ): File = {
-    val output = new FileOutputStream(outputFile)
-    Using.resource(new JarOutputStream(output)) { jarOutput =>
-      putToJar(
-        jarOutput,
-        "META-INF/services/pl.touk.nussknacker.engine.api.process.ProcessConfigCreator",
-        implicitly[ClassTag[T]].runtimeClass.getName.getBytes(StandardCharsets.UTF_8)
-      )
-    }
-    outputFile
-  }
-
-  private def putToJar(jarOutputStream: JarOutputStream, name: String, bytes: Array[Byte]) = {
-    val entry = new JarEntry(name)
-    jarOutputStream.putNextEntry(entry)
-    jarOutputStream.write(bytes)
-  }
-
-}