diff --git a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPDataNodes.kt b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPDataNodes.kt
index 4e5104918dd..e797a70c296 100644
--- a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPDataNodes.kt
+++ b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPDataNodes.kt
@@ -39,7 +39,10 @@ class KotlinSourceSetInfo @PropertyMapping("kotlinModule") constructor(val kotli
     val platform: KotlinPlatform
         get() = actualPlatforms.getSinglePlatform()
 
+    @Transient
     var defaultCompilerArguments: CommonCompilerArguments? = null
+
+    @Transient
     var compilerArguments: CommonCompilerArguments? = null
     var dependencyClasspath: List<String> = emptyList()
     var isTestModule: Boolean = false
diff --git a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPGradleProjectResolver.kt b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPGradleProjectResolver.kt
index 4cc0bcd7ebe..c5ccd076550 100644
--- a/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPGradleProjectResolver.kt
+++ b/idea/idea-gradle/src/org/jetbrains/kotlin/idea/configuration/KotlinMPPGradleProjectResolver.kt
@@ -46,6 +46,7 @@ import org.jetbrains.plugins.gradle.service.project.GradleProjectResolverUtil.ge
 import org.jetbrains.plugins.gradle.service.project.ProjectResolverContext
 import org.jetbrains.plugins.gradle.util.GradleConstants
 import java.io.File
+import java.lang.reflect.Proxy
 import java.util.*
 import kotlin.collections.HashMap
 
@@ -750,6 +751,13 @@ open class KotlinMPPGradleProjectResolver : AbstractProjectResolverExtension() {
             resolverCtx: ProjectResolverContext
         ): KotlinSourceSetInfo? {
             if (compilation.platform.isNotSupported()) return null
+            if (Proxy.isProxyClass(compilation.javaClass)) {
+                return createSourceSetInfo(
+                    KotlinCompilationImpl(compilation, HashMap<Any, Any>()),
+                    gradleModule,
+                    resolverCtx
+                )
+            }
             return KotlinSourceSetInfo(compilation).also { sourceSetInfo ->
                 sourceSetInfo.moduleId = getKotlinModuleId(gradleModule, compilation, resolverCtx)
                 sourceSetInfo.gradleModuleId = getModuleId(resolverCtx, gradleModule)