diff --git a/ci/performance.yml b/ci/performance.yml
index ec4f7cd19..d6655cc8d 100644
--- a/ci/performance.yml
+++ b/ci/performance.yml
@@ -3,5 +3,4 @@ header:
 
 local_conf_header:
   cmdline-perf: |
-    KERNEL_CMDLINE_EXTRA:append = " quiet systemd.tty.term.console=linux"
-    KERNEL_CMDLINE_EXTRA:append = "${@' initramfs.udev-root-only=1' if d.getVar('INITRAMFS_IMAGE') == 'initramfs-rootfs-image' else ''}"
+    KERNEL_CMDLINE_EXTRA:append = " quiet systemd.tty.term.console=linux initramfs.udev-root-only=1"