diff --git a/proto/compiler/compiler.iml b/proto/compiler/compiler.iml
deleted file mode 100644
index 1ca312ac2f6..00000000000
--- a/proto/compiler/compiler.iml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="falses" />
-      <sourceFolder url="file://$MODULE_DIR$/test" type="java-resource" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" name="KotlinJavaRuntime" level="project" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/proto/compiler/lib/kotlin-reflect.jar b/proto/compiler/lib/kotlin-reflect.jar
deleted file mode 100644
index 62340e2dae4..00000000000
Binary files a/proto/compiler/lib/kotlin-reflect.jar and /dev/null differ
diff --git a/proto/compiler/lib/kotlin-runtime-sources.jar b/proto/compiler/lib/kotlin-runtime-sources.jar
deleted file mode 100644
index e661b30034a..00000000000
Binary files a/proto/compiler/lib/kotlin-runtime-sources.jar and /dev/null differ
diff --git a/proto/compiler/lib/kotlin-runtime.jar b/proto/compiler/lib/kotlin-runtime.jar
deleted file mode 100644
index 4d7a92703f8..00000000000
Binary files a/proto/compiler/lib/kotlin-runtime.jar and /dev/null differ