diff --git a/id_rsa_extremum b/id_rsa_extremum
deleted file mode 100644
index ec60a05fb..000000000
--- a/id_rsa_extremum
+++ /dev/null
@@ -1,50 +0,0 @@
------BEGIN OPENSSH PRIVATE KEY-----
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-U6M4m6lH+tv2YtAAAAEAAAAAEAAAIXAAAAB3NzaC1yc2EAAAADAQABAAACAQDYC2p/u+zd
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-7D8sSCoxGGnzt/l2hbZ5GyKfRmVDT/6mui2hYKZOBnauNCA0tSsoMVYhlxmXvHvyo6gJit
-d31cUGHciWlMKQ3mIV3hxIJIo=
------END OPENSSH PRIVATE KEY-----
diff --git a/id_rsa_extremum.pub b/id_rsa_extremum.pub
deleted file mode 100644
index f073517b5..000000000
--- a/id_rsa_extremum.pub
+++ /dev/null
@@ -1 +0,0 @@
-ssh-rsa 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 athanasio.lakes@dsv.su.se