diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index d04f89d4727..713a7929181 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -5,6 +5,7 @@
     <option name="BUILD_PROCESS_HEAP_SIZE" value="2000" />
     <excludeFromCompile>
       <directory url="file://$PROJECT_DIR$/core/reflection.jvm" includeSubdirectories="true" />
+      <directory url="file://$PROJECT_DIR$/core/runtime.jvm" includeSubdirectories="true" />
     </excludeFromCompile>
     <resourceExtensions />
     <wildcardResourcePatterns>
@@ -26,4 +27,4 @@
   <component name="JavacSettings">
     <option name="ADDITIONAL_OPTIONS_STRING" value="-target 1.6" />
   </component>
-</project>
+</project>
\ No newline at end of file