diff --git a/cosign.pub b/cosign.pub
deleted file mode 100644
index 29d4f00cab..0000000000
--- a/cosign.pub
+++ /dev/null
@@ -1,4 +0,0 @@
------BEGIN PUBLIC KEY-----
-MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEM+YHmeU4kxHH9ShFtePIStEUJlY0
-NjOaOad5si1CJT3seFUdiOtLFAkfaigJi+CRFhy+UaPfi9qr7XrZMH4kVw==
------END PUBLIC KEY-----