diff --git a/buildroot-external/rootfs-overlay/usr/lib/systemd/system/haos-bt-cache.service b/buildroot-external/rootfs-overlay/usr/lib/systemd/system/haos-bt-cache.service
new file mode 100644
index 000000000..c59cbdb11
--- /dev/null
+++ b/buildroot-external/rootfs-overlay/usr/lib/systemd/system/haos-bt-cache.service
@@ -0,0 +1,15 @@
+[Unit]
+Description=Remove Bluetooth cache entries older than one week
+
+[Service]
+Type=oneshot
+ExecStart=/bin/sh -c 'find /var/lib/bluetooth/*/cache -mindepth 1 -type f -atime +7  -exec rm {} \;'
+PrivateDevices=yes
+PrivateNetwork=yes
+PrivateUsers=no
+ProtectKernelTunables=yes
+ProtectKernelModules=yes
+ProtectControlGroups=yes
+MemoryDenyWriteExecute=yes
+SystemCallFilter=@default @file-system @basic-io @system-service
+
diff --git a/buildroot-external/rootfs-overlay/usr/lib/systemd/system/haos-bt-cache.timer b/buildroot-external/rootfs-overlay/usr/lib/systemd/system/haos-bt-cache.timer
new file mode 100644
index 000000000..829c5e5d3
--- /dev/null
+++ b/buildroot-external/rootfs-overlay/usr/lib/systemd/system/haos-bt-cache.timer
@@ -0,0 +1,13 @@
+[Unit]
+Description=Remove Bluetooth cache entries
+ConditionPathExistsGlob=/var/lib/bluetooth/*/cache
+
+[Timer]
+OnCalendar=weekly
+AccuracySec=1h
+Persistent=true
+RandomizedDelaySec=6000
+
+[Install]
+WantedBy=timers.target
+