diff --git a/.gitignore b/.gitignore
index b6cfdd8fa..c54d76870 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,6 +52,8 @@
 .idea/dictionaries
 .idea/vcs.xml
 .idea/jsLibraryMappings.xml
+.idea/codeStyles/
+.idea/runConfigurations.xml
 
 # Sensitive or high-churn files:
 .idea/dataSources.ids
diff --git a/.idea/ant.xml b/.idea/ant.xml
new file mode 100644
index 000000000..a2a476982
--- /dev/null
+++ b/.idea/ant.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AntConfiguration">
+    <buildFile url="file://$PROJECT_DIR$/build.xml" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 4b2505b75..bb67c0f2c 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -46,7 +46,7 @@
       </profile-state>
     </entry>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_9" default="false" project-jdk-name="11" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_10" project-jdk-name="11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file