diff --git a/analysis/analysis-api-fir/tests/org/jetbrains/kotlin/analysis/api/fir/utils/compilerPluginConfiguration.kt b/analysis/analysis-api-fir/tests/org/jetbrains/kotlin/analysis/api/fir/utils/compilerPluginConfiguration.kt
deleted file mode 100644
index cc8c4bbf402..00000000000
--- a/analysis/analysis-api-fir/tests/org/jetbrains/kotlin/analysis/api/fir/utils/compilerPluginConfiguration.kt
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
- */
-
-package org.jetbrains.kotlin.analysis.api.fir.utils
-
-import com.intellij.openapi.project.Project
-import org.jetbrains.kotlin.compiler.plugin.CompilerPluginRegistrar
-import org.jetbrains.kotlin.compiler.plugin.ExperimentalCompilerApi
-import org.jetbrains.kotlin.config.AnalysisFlag
-import org.jetbrains.kotlin.config.CompilerConfiguration
-import org.jetbrains.kotlin.config.LanguageVersion
-import org.jetbrains.kotlin.fir.plugin.services.ExtensionRegistrarConfigurator
-import org.jetbrains.kotlin.fir.plugin.services.PluginAnnotationsProvider
-import org.jetbrains.kotlin.test.Constructor
-import org.jetbrains.kotlin.test.builders.TestConfigurationBuilder
-import org.jetbrains.kotlin.test.directives.model.Directive
-import org.jetbrains.kotlin.test.directives.model.DirectiveApplicability
-import org.jetbrains.kotlin.test.directives.model.RegisteredDirectives
-import org.jetbrains.kotlin.test.directives.model.SimpleDirectivesContainer
-import org.jetbrains.kotlin.test.model.TestModule
-import org.jetbrains.kotlin.test.services.AbstractEnvironmentConfigurator
-
-private object CompilerPluginsDirectives : SimpleDirectivesContainer() {
-    val WITH_FIR_TEST_COMPILER_PLUGIN by directive(
-        description = "Configure test compiler plugin from :plugins:fir-plugin-prototype module",
-        applicability = DirectiveApplicability.Global
-    )
-}
-
-internal fun TestConfigurationBuilder.configureOptionalTestCompilerPlugin() {
-    useDirectives(CompilerPluginsDirectives)
-
-    useConfigurators(
-        ::PluginAnnotationsProvider.enabledByDirective(CompilerPluginsDirectives.WITH_FIR_TEST_COMPILER_PLUGIN),
-        ::ExtensionRegistrarConfigurator.enabledByDirective(CompilerPluginsDirectives.WITH_FIR_TEST_COMPILER_PLUGIN),
-    )
-}
-
-private fun Constructor<AbstractEnvironmentConfigurator>.enabledByDirective(
-    directive: Directive
-): Constructor<AbstractEnvironmentConfigurator> {
-    val originalConstructor = this
-    return { testServices -> EnabledByDirectiveConfiguratorDecorator(originalConstructor(testServices), directive) }
-}
-
-private class EnabledByDirectiveConfiguratorDecorator(
-    private val original: AbstractEnvironmentConfigurator,
-    private val directive: Directive
-) : AbstractEnvironmentConfigurator() {
-    override fun configureCompileConfigurationWithAdditionalConfigurationKeys(configuration: CompilerConfiguration, module: TestModule) {
-        if (directive !in module.directives) return
-
-        original.configureCompileConfigurationWithAdditionalConfigurationKeys(configuration, module)
-    }
-
-    override fun provideAdditionalAnalysisFlags(
-        directives: RegisteredDirectives,
-        languageVersion: LanguageVersion
-    ): Map<AnalysisFlag<*>, Any?> = original.provideAdditionalAnalysisFlags(directives, languageVersion)
-
-    override fun legacyRegisterCompilerExtensions(project: Project, module: TestModule, configuration: CompilerConfiguration) {
-        if (directive !in module.directives) return
-
-        original.legacyRegisterCompilerExtensions(project, module, configuration)
-    }
-
-    @OptIn(ExperimentalCompilerApi::class)
-    override fun CompilerPluginRegistrar.ExtensionStorage.registerCompilerExtensions(
-        module: TestModule,
-        configuration: CompilerConfiguration
-    ) {
-        if (directive !in module.directives) return
-
-        with(original) {
-            this@registerCompilerExtensions.registerCompilerExtensions(module, configuration)
-        }
-    }
-}