diff --git a/overlay/etc/ssh/sshd_config.d/authorized-keys-command.conf b/overlay/etc/ssh/sshd_config.d/authorized-keys-command.conf
deleted file mode 100644
index 0bdac7d..0000000
--- a/overlay/etc/ssh/sshd_config.d/authorized-keys-command.conf
+++ /dev/null
@@ -1,2 +0,0 @@
-AuthorizedKeysCommand /usr/libexec/ssh-authorized-keys %u %t
-AuthorizedKeysCommandUser nobody
diff --git a/overlay/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module-ha-yellow.bin.xz b/overlay/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module-ha-yellow.bin.xz
deleted file mode 120000
index 97bd3fd..0000000
--- a/overlay/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module-ha-yellow.bin.xz
+++ /dev/null
@@ -1 +0,0 @@
-../cypress/cyfmac43455-sdio.bin.xz
\ No newline at end of file
diff --git a/overlay/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module-ha-yellow.txt.xz b/overlay/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module-ha-yellow.txt.xz
deleted file mode 120000
index dfb33d5..0000000
--- a/overlay/usr/lib/firmware/brcm/brcmfmac43455-sdio.raspberrypi,4-compute-module-ha-yellow.txt.xz
+++ /dev/null
@@ -1 +0,0 @@
-brcmfmac43455-sdio.raspberrypi,4-model-b.txt.xz
\ No newline at end of file
diff --git a/overlay/usr/libexec/ssh-authorized-keys b/overlay/usr/libexec/ssh-authorized-keys
deleted file mode 100755
index fdaab3a..0000000
--- a/overlay/usr/libexec/ssh-authorized-keys
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/bin/sh
-# vim: set sw=4 ts=4 sts=4 et :
-
-exec wget -q -O - https://sshkeys.pyrocufflink.blue/"$1"/"$2".pub