diff --git a/build.xml b/build.xml
index c0aa87c7..92bb2e89 100644
--- a/build.xml
+++ b/build.xml
@@ -250,8 +250,6 @@
     -->
     <property name="keystore.uk.vfy.alias" value="ukfederation"/>
 
-    <property name="known.hosts" value="${build.dir}/known_hosts"/>
-
     <!--
         Java memory requirements.
 
diff --git a/build/known_hosts b/build/known_hosts
deleted file mode 100644
index 5345c12d..00000000
--- a/build/known_hosts
+++ /dev/null
@@ -1,2 +0,0 @@
-sdssmail.edina.ac.uk,129.215.128.113 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEAnfI3uFtdGJgzpaNPSDgjGSczjefRZ11r2iTZY0GB+omnwsGqfcshLM8PyL+zDRD0firJrqD2FH1R3usCCsDvLGSzg8MgwCJKd8JMj10Y/Hw64RGsinETqWhPp6Dg5as+RXFrRAxeBZiZQ+k0+xtokXbTnx1w0MUhu4jsd38gSjM=
-sdssmail-at.edina.ac.uk,129.215.128.204 ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIEA4NCSrlJlqph8ZLvA7qMFnueOUa2+g3SZ2bTZYznwptb9k7vv8Ixhdy/9O2dE07IZVnj4zfMZDSOQfwEOweVgt8GYbRpMcuhe9m+jA8BUxJ+kbGNgJ5j7fekoC7selm4lsOOp1a6qaeiGnJLkcVYSkg6wui9kYlTRhOfAXsfqBUM=