diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TestProcessor.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TestProcessor.kt
index 77aa1fef287..d3115a2e91b 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TestProcessor.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TestProcessor.kt
@@ -11,6 +11,7 @@ import org.jetbrains.kotlin.backend.common.descriptors.WrappedSimpleFunctionDesc
 import org.jetbrains.kotlin.backend.common.lower.SymbolWithIrBuilder
 import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
 import org.jetbrains.kotlin.backend.common.reportWarning
+import org.jetbrains.kotlin.backend.konan.Context
 import org.jetbrains.kotlin.backend.konan.KonanBackendContext
 import org.jetbrains.kotlin.backend.konan.descriptors.isAbstract
 import org.jetbrains.kotlin.backend.konan.descriptors.synthesizedName
@@ -39,10 +40,11 @@ import org.jetbrains.kotlin.load.kotlin.PackagePartClassUtils
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameSafe
+import org.jetbrains.kotlin.resolve.descriptorUtil.module
 import org.jetbrains.kotlin.types.KotlinType
 import org.jetbrains.kotlin.utils.addToStdlib.firstNotNullResult
 
-internal class TestProcessor (val context: KonanBackendContext) {
+internal class TestProcessor (val context: Context) {
 
     object TEST_SUITE_CLASS: IrDeclarationOriginImpl("TEST_SUITE_CLASS")
     object TEST_SUITE_GENERATED_MEMBER: IrDeclarationOriginImpl("TEST_SUITE_GENERATED_MEMBER")
@@ -601,6 +603,9 @@ internal class TestProcessor (val context: KonanBackendContext) {
     // endregion
 
     fun process(irFile: IrFile) {
+        // TODO: uses descriptors.
+        if (irFile.packageFragmentDescriptor.module != context.moduleDescriptor)
+            return
         val annotationCollector = AnnotationCollector(irFile)
         irFile.acceptChildrenVoid(annotationCollector)
         createTestSuites(irFile, annotationCollector)