diff --git a/ffda-network-setup-mode/files/lib/preinit/89_networked_setup_mode b/ffda-network-setup-mode/files/lib/preinit/89_networked_setup_mode
index 41780749..4e4fe90b 100644
--- a/ffda-network-setup-mode/files/lib/preinit/89_networked_setup_mode
+++ b/ffda-network-setup-mode/files/lib/preinit/89_networked_setup_mode
@@ -1,5 +1,4 @@
 #!/bin/busybox sh
-# shellcheck shell=dash
 
 # shellcheck source=/dev/null
 . /lib/functions.sh
diff --git a/ffgraz-blink/files/usr/bin/gluon-blink b/ffgraz-blink/files/usr/bin/gluon-blink
index a55c09ef..c8442265 100755
--- a/ffgraz-blink/files/usr/bin/gluon-blink
+++ b/ffgraz-blink/files/usr/bin/gluon-blink
@@ -1,6 +1,4 @@
-#!/bin/sh
-# SC3048 is supported in busybox sh
-# shellcheck disable=SC3048
+#!/bin/busybox sh
 
 # Makes your current device blink
 
diff --git a/ffgraz-ddhcpd-batman-adv/files/usr/sbin/ddhcpd-gateway-update b/ffgraz-ddhcpd-batman-adv/files/usr/sbin/ddhcpd-gateway-update
index 8361b218..7c533d25 100755
--- a/ffgraz-ddhcpd-batman-adv/files/usr/sbin/ddhcpd-gateway-update
+++ b/ffgraz-ddhcpd-batman-adv/files/usr/sbin/ddhcpd-gateway-update
@@ -1,5 +1,4 @@
 #!/bin/busybox sh
-# shellcheck shell=dash
 
 CACHE_TTL=600
 CACHE_FILE=/tmp/ddhcp_gw_cache
diff --git a/ffgraz-ddhcpd/files/etc/init.d/ddhcpd b/ffgraz-ddhcpd/files/etc/init.d/ddhcpd
index 3f70d300..cc957fbb 100755
--- a/ffgraz-ddhcpd/files/etc/init.d/ddhcpd
+++ b/ffgraz-ddhcpd/files/etc/init.d/ddhcpd
@@ -1,7 +1,7 @@
 #!/bin/sh /etc/rc.common
 # SC2034,SC2154: /etc/rc.common imports this script and uses variables defined here
-# SC3010,SC3014,SC3043: [[ ]], == and local is defined in busybox sh
-# shellcheck disable=SC2034,SC2154,SC3010,SC3014,SC3043
+# shellcheck disable=SC2034,SC2154
+# shellcheck shell="busybox sh"
 
 START=90
 USE_PROCD=1
diff --git a/ffmuc-mesh-vpn-wireguard-vxlan/files/lib/gluon/gluon-mesh-wireguard-vxlan/checkuplink b/ffmuc-mesh-vpn-wireguard-vxlan/files/lib/gluon/gluon-mesh-wireguard-vxlan/checkuplink
index 0259c70a..6775d20a 100755
--- a/ffmuc-mesh-vpn-wireguard-vxlan/files/lib/gluon/gluon-mesh-wireguard-vxlan/checkuplink
+++ b/ffmuc-mesh-vpn-wireguard-vxlan/files/lib/gluon/gluon-mesh-wireguard-vxlan/checkuplink
@@ -1,5 +1,4 @@
 #!/bin/busybox sh
-# shellcheck shell=dash
 
 # fail fast and abort early
 set -eu