diff --git a/core/core.iml b/core/core.iml
deleted file mode 100644
index 0ad63fe..0000000
--- a/core/core.iml
+++ /dev/null
@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8" inherit-compiler-output="false">
-    <output url="file://$MODULE_DIR$/target/classes" />
-    <output-test url="file://$MODULE_DIR$/target/test-classes" />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
-      <excludeFolder url="file://$MODULE_DIR$/target" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" name="Maven: org.slf4j:slf4j-api:1.7.7" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: org.slf4j:slf4j-log4j12:1.7.7" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: log4j:log4j:1.2.17" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.11" level="project" />
-    <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
-    <orderEntry type="library" name="Maven: org.jetbrains:annotations:13.0" level="project" />
-  </component>
-</module>
-