diff --git a/retry/licenseheader.txt b/retry/licenseheader.txt
deleted file mode 100644
index 95519bb48..000000000
--- a/retry/licenseheader.txt
+++ /dev/null
@@ -1,50 +0,0 @@
-====
-    The MIT License
-    Copyright (c) 2014 Ilkka Seppälä
-
-    Permission is hereby granted, free of charge, to any person obtaining a copy
-    of this software and associated documentation files (the "Software"), to deal
-    in the Software without restriction, including without limitation the rights
-    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-    copies of the Software, and to permit persons to whom the Software is
-    furnished to do so, subject to the following conditions:
-
-    The above copyright notice and this permission notice shall be included in
-    all copies or substantial portions of the Software.
-
-    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-    THE SOFTWARE.
-====
-
-<#if licenseFirst??>
-${licenseFirst}
-</#if>
-${licensePrefix}The MIT License (MIT)
-${licensePrefix}
-${licensePrefix}Copyright (c) 2014-2016 Ilkka Seppälä
-${licensePrefix}
-${licensePrefix}Permission is hereby granted, free of charge, to any person obtaining a copy
-${licensePrefix}of this software and associated documentation files (the "Software"), to deal
-${licensePrefix}in the Software without restriction, including without limitation the rights
-${licensePrefix}to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-${licensePrefix}copies of the Software, and to permit persons to whom the Software is
-${licensePrefix}furnished to do so, subject to the following conditions:
-${licensePrefix}
-${licensePrefix}The above copyright notice and this permission notice shall be included in all
-${licensePrefix}copies or substantial portions of the Software.
-${licensePrefix}
-${licensePrefix}THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-${licensePrefix}IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-${licensePrefix}FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-${licensePrefix}AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-${licensePrefix}LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-${licensePrefix}OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-${licensePrefix}SOFTWARE.
-<#if licenseLast??>
-${licenseLast}
-</#if>
diff --git a/retry/nb-configuration.xml b/retry/nb-configuration.xml
deleted file mode 100644
index 98de820dd..000000000
--- a/retry/nb-configuration.xml
+++ /dev/null
@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project-shared-configuration>
-    <!--
-This file contains additional configuration written by modules in the NetBeans IDE.
-The configuration is intended to be shared among all the users of project and
-therefore it is assumed to be part of version control checkout.
-Without this configuration present, some functionality in the IDE may be limited or fail altogether.
--->
-    <properties xmlns="http://www.netbeans.org/ns/maven-properties-data/1">
-        <!--
-Properties that influence various parts of the IDE, especially code formatting and the like. 
-You can copy and paste the single properties, into the pom.xml file and the IDE will pick them up.
-That way multiple projects can share the same settings (useful for formatting rules for example).
-Any value defined here will override the pom.xml file value but is only applicable to the current project.
--->
-        <netbeans.hint.licensePath>${project.basedir}/licenseheader.txt</netbeans.hint.licensePath>
-    </properties>
-</project-shared-configuration>
diff --git a/retry/nbproject/project.properties b/retry/nbproject/project.properties
deleted file mode 100644
index 50e26d574..000000000
--- a/retry/nbproject/project.properties
+++ /dev/null
@@ -1,23 +0,0 @@
-#
-# The MIT License
-# Copyright (c) 2014 Ilkka Seppälä
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-#
-