--- a/nbproject/configurations.xml	Sun Dec 09 18:10:02 2018 +0100
+++ b/nbproject/configurations.xml	Sun Dec 09 23:27:22 2018 +0100
@@ -51,7 +51,6 @@
                    kind="IMPORTANT_FILES_FOLDER">
       <itemPath>CMakeLists.txt</itemPath>
       <itemPath>build/Debug/Makefile</itemPath>
-      <itemPath>build/Release/Makefile</itemPath>
     </logicalFolder>
   </logicalFolder>
   <sourceFolderFilter>^(nbproject|build)$</sourceFolderFilter>