diff --git a/kdump-lib.sh b/kdump-lib.sh
index 126104f..e18c473 100755
--- a/kdump-lib.sh
+++ b/kdump-lib.sh
@@ -321,11 +321,6 @@ kdump_get_persistent_dev() {
     echo $(get_persistent_dev "$dev")
 }
 
-is_atomic()
-{
-    grep -q "ostree" /proc/cmdline
-}
-
 is_ipv6_address()
 {
     echo $1 | grep -q ":"