diff --git a/.idea/.gitignore b/.idea/.gitignore
index d21697b7d6..784b2d3244 100644
--- a/.idea/.gitignore
+++ b/.idea/.gitignore
@@ -2,4 +2,4 @@
 !/codeStyles
 !/fileTemplates
 !/inspectionProfiles
-!/jsLibraryMappings.xml
+
diff --git a/.idea/jsLibraryMappings.xml b/.idea/jsLibraryMappings.xml
deleted file mode 100644
index d23208fbb7..0000000000
--- a/.idea/jsLibraryMappings.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="JavaScriptLibraryMappings">
-    <includedPredefinedLibrary name="Node.js Core" />
-  </component>
-</project>
\ No newline at end of file