diff --git a/README.md b/README.md
index 19e8bd35..ffd82dcc 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ Please note that this project is not actively maintained.
     gem install s3_website
 
 s3_website needs both [Ruby](https://www.ruby-lang.org/en/downloads/)
-and [Java](http://java.com) to run. (S3_website is partly written in Scala, hence the need for Java.)
+and [Java](http://java.com) to run. (S3_website is partly written in Scala, hence the need for Java 1.8 or later.)
 
 ## Usage
 
diff --git a/build.properties b/build.properties
deleted file mode 100644
index ac716173..00000000
--- a/build.properties
+++ /dev/null
@@ -1 +0,0 @@
-sbt.version=0.13.2
\ No newline at end of file