diff --git a/.ssh/config.d/10_global b/.ssh/config.d/10_global
index 8c6dfcd324ef65b56829c5b35e5ab9b407a2216e..49ce3db08e406a812b080b915dbfc7d3bd53845a 100644
--- a/.ssh/config.d/10_global
+++ b/.ssh/config.d/10_global
@@ -4,3 +4,4 @@ ControlPath ~/.ssh/controlmaster-%r@%h:%p
 ControlPersist 3m
 ServerAliveInterval 30
 #StrictHostKeyChecking yes
+#UserKnownHostsFile=/dev/null