diff --git a/build.gradle b/build.gradle
index 714f28b3fa..1314ed3453 100644
--- a/build.gradle
+++ b/build.gradle
@@ -138,7 +138,7 @@ task dist(type: Zip) {
     def zipRootDir = "${project.name}-$version"
     into(zipRootDir) {
         from(rootDir) {
-            include '*.txt'
+            include '*.adoc'
         }
         into('docs') {
             with(project(':docs').apiSpec)
diff --git a/readme.txt b/readme.txt
deleted file mode 100644
index 85f3e98f94..0000000000
--- a/readme.txt
+++ /dev/null
@@ -1,81 +0,0 @@
-===============================================================================
-                    SPRING SECURITY - README FILE
-===============================================================================
-
--------------------------------------------------------------------------------
-OVERVIEW
--------------------------------------------------------------------------------
-
-Spring Security provides security services for the Spring Framework
-(http://www.springframework.org). Spring Security 3.1 requires Spring 3.0.3 as
-a minimum and also requires Java 5.
-
-For a detailed list of features and access to the latest release, please visit
-http://www.springframework.org/projects/.
-
-Spring Security is released under an Apache 2.0 license. See the accompanying
-license.txt file.
-
--------------------------------------------------------------------------------
-BUILDING
--------------------------------------------------------------------------------
-
-Please read the "Building from Source" page at
-http://static.springframework.org/spring-security/site/.
-
--------------------------------------------------------------------------------
-DOCUMENTATION
--------------------------------------------------------------------------------
-
-Be sure to read the Reference Guide  (docs/reference/html/springsecurity.html).
-Extensive JavaDoc for the Spring Security code is also available (in docs/apidocs).
-Both can also be found on the website.
-
--------------------------------------------------------------------------------
-QUICK START
--------------------------------------------------------------------------------
-
-We recommend you visit http://static.springframework.org/spring-security/site and
-read the "Getting Started" page.
-
--------------------------------------------------------------------------------
-MAVEN REPOSITORY DOWNLOADS
--------------------------------------------------------------------------------
-
-Release jars for the project are available from the central maven repository
-
-https://repo1.maven.org/maven2/org/springframework/security/
-
-Note that milestone releases and snapshots are not uploaded to the central
-repository, but can be obtained from the Spring milestone repository, using the
-maven repository http://maven.springframework.org/snapshot/. You can't browse this
-URL directly, but there is a separate browser interface. Check the downloads page
-for more information
-http://static.springsource.org/spring-security/site/downloads.html
-
-
--------------------------------------------------------------------------------
-OBTAINING SUPPORT
--------------------------------------------------------------------------------
-
-There are two types of support available, commercial and community. For
-commercial support, please contact SpringSource. SpringSource employ the
-people who wrote Spring Security, and lead the development of the project:
-
-  http://www.springsource.com
-
-For peer help and assistance, please use the Spring Security forum
-located at the Spring Community's forum site:
-
-  http://forum.springframework.org
-
-Links to the forums, and other useful resources are
-available from the web site.
-
--------------------------------------------------------------------------------
-CONTRIBUTING
--------------------------------------------------------------------------------
-
-Contributions are welcome. Please refer to the Contributor Guidelines for details
-
-  https://github.com/SpringSource/spring-security/wiki/Contributor-Guidelines