diff --git a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/KaptWithoutKotlincTask.kt b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/KaptWithoutKotlincTask.kt
index 8b3d4f89708..a628ae29f10 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/KaptWithoutKotlincTask.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/KaptWithoutKotlincTask.kt
@@ -12,10 +12,11 @@ import org.gradle.api.provider.ListProperty
 import org.gradle.api.provider.MapProperty
 import org.gradle.api.provider.Property
 import org.gradle.api.provider.ProviderFactory
-import org.gradle.api.tasks.*
+import org.gradle.api.tasks.Input
+import org.gradle.api.tasks.Internal
+import org.gradle.api.tasks.TaskAction
 import org.gradle.process.CommandLineArgumentProvider
 import org.gradle.work.InputChanges
-import org.gradle.workers.IsolationMode
 import org.gradle.workers.WorkAction
 import org.gradle.workers.WorkParameters
 import org.gradle.workers.WorkerExecutor
@@ -226,6 +227,31 @@ abstract class KaptWithoutKotlincTask @Inject constructor(
         val classloadersCacheSize: Property<Int>
     }
 
+    /**
+     * Copied over Gradle deprecated [IsolationMode] enum, so Gradle could remove it.
+     */
+    internal enum class IsolationMode {
+        /**
+         * Let Gradle decide, this is the default.
+         */
+        AUTO,
+
+        /**
+         * Don't attempt to isolate the work, use in-process workers.
+         */
+        NONE,
+
+        /**
+         * Isolate the work in it's own classloader, use in-process workers.
+         */
+        CLASSLOADER,
+
+        /**
+         * Isolate the work in a separate process, use out-of-process workers.
+         */
+        PROCESS
+    }
+
     internal abstract class KaptExecutionWorkAction : WorkAction<KaptWorkParameters> {
         override fun execute() {
             KaptExecution(