diff --git a/idea/idea.iml b/idea/idea.iml
index b865a6de67b..f91c8d0b2b5 100644
--- a/idea/idea.iml
+++ b/idea/idea.iml
@@ -14,6 +14,7 @@
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/resources" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/testData/debugger/tinyApp/classes" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />