diff --git a/orange-demo-service/application/course-class/course-class.iml b/orange-demo-service/application/course-class/course-class.iml
deleted file mode 100644
index ee4abb7e..00000000
--- a/orange-demo-service/application/course-class/course-class.iml
+++ /dev/null
@@ -1,193 +0,0 @@
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