diff --git a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/incremental/ClasspathAnalyzer.kt b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/incremental/ClasspathAnalyzer.kt
index 8fefab3550c..0f15783ffac 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/incremental/ClasspathAnalyzer.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/incremental/ClasspathAnalyzer.kt
@@ -54,7 +54,7 @@ abstract class StructureTransformLegacyAction : TransformAction<TransformParamet
     }
 }
 
-private fun transform(input: File, outputs: TransformOutputs) {
+internal fun transform(input: File, outputs: TransformOutputs) {
     val data = if (input.isDirectory) {
         visitDirectory(input)
     } else {
diff --git a/libraries/tools/kotlin-gradle-plugin/src/test/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/incremental/ClasspathAnalyzerTest.kt b/libraries/tools/kotlin-gradle-plugin/src/test/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/incremental/ClasspathAnalyzerTest.kt
index a65b4751d93..2237f9a008f 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/test/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/incremental/ClasspathAnalyzerTest.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/test/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/incremental/ClasspathAnalyzerTest.kt
@@ -6,10 +6,6 @@
 package org.jetbrains.kotlin.gradle.internal.kapt.incremental
 
 import org.gradle.api.artifacts.transform.TransformOutputs
-import org.gradle.api.artifacts.transform.TransformParameters
-import org.gradle.api.file.FileSystemLocation
-import org.gradle.api.provider.Provider
-import org.gradle.testfixtures.ProjectBuilder
 import org.jetbrains.org.objectweb.asm.ClassWriter
 import org.jetbrains.org.objectweb.asm.Opcodes
 import org.junit.Assert.*
@@ -39,7 +35,7 @@ class ClasspathAnalyzerTest {
             }
         }
         val outputs = TransformOutputsMock(tmp.newFolder())
-        StructureTransformTestAction(classesDir, tmp.newFolder("project")).transform(outputs)
+        transform(classesDir, outputs)
 
         val data = ClasspathEntryData.ClasspathEntrySerializer.loadFrom(outputs.createdOutputs.single())
         assertEquals(setOf("test/A", "test/B"), data.classAbiHash.keys)
@@ -75,7 +71,7 @@ class ClasspathAnalyzerTest {
             }
         }
         val outputs = TransformOutputsMock(tmp.newFolder())
-        StructureTransformTestAction(inputJar, tmp.newFolder("project")).transform(outputs)
+        transform(inputJar, outputs)
 
         val data = ClasspathEntryData.ClasspathEntrySerializer.loadFrom(outputs.createdOutputs.single())
         assertEquals(setOf("test/A", "test/B"), data.classAbiHash.keys)
@@ -101,7 +97,7 @@ class ClasspathAnalyzerTest {
             }
         }
         val outputsA = TransformOutputsMock(tmp.newFolder())
-        StructureTransformTestAction(jarA, tmp.newFolder("projectA")).transform(outputsA)
+        transform(jarA, outputsA)
 
         val jarB = tmp.newFile("inputB.jar").also { jar ->
             ZipOutputStream(jar.outputStream()).use {
@@ -115,17 +111,15 @@ class ClasspathAnalyzerTest {
             }
         }
         val outputsB = TransformOutputsMock(tmp.newFolder())
-        StructureTransformTestAction(jarB, tmp.newFolder("projectB")).transform(outputsB)
+        transform(jarB, outputsB)
 
         assertArrayEquals(outputsA.createdOutputs.single().readBytes(), outputsB.createdOutputs.single().readBytes())
     }
 
     @Test
     fun emptyInput() {
-        val transformAction = StructureTransformTestAction(tmp.newFolder("input"), tmp.newFolder("project"))
         val outputs = TransformOutputsMock(tmp.newFolder())
-
-        transformAction.transform(outputs)
+        transform(tmp.newFolder("input"), outputs)
 
         val data = ClasspathEntryData.ClasspathEntrySerializer.loadFrom(outputs.createdOutputs.single())
         assertTrue(data.classAbiHash.isEmpty())
@@ -149,10 +143,8 @@ class ClasspathAnalyzerTest {
                 it.closeEntry()
             }
         }
-        val transformAction = StructureTransformTestAction(inputJar, tmp.newFolder("project"))
         val outputs = TransformOutputsMock(tmp.newFolder())
-
-        transformAction.transform(outputs)
+        transform(inputJar, outputs)
 
         val data = ClasspathEntryData.ClasspathEntrySerializer.loadFrom(outputs.createdOutputs.single())
         assertEquals(setOf("test/A", "test/B", "test/C"), data.classAbiHash.keys)
@@ -166,16 +158,6 @@ class ClasspathAnalyzerTest {
     }
 }
 
-class StructureTransformTestAction(val input: File, val projectDir: File) : StructureTransformAction() {
-    private val project = ProjectBuilder.builder().withProjectDir(projectDir).build()
-
-    override val inputArtifact: Provider<FileSystemLocation> = project.provider { project.objects.fileProperty().fileValue(input).get() }
-
-    override fun getParameters(): TransformParameters.None {
-        error("Should not be called")
-    }
-}
-
 class TransformOutputsMock(val outputDir: File) : TransformOutputs {
     val createdOutputs = mutableListOf<File>()