diff --git a/remove-driver.sh b/remove-driver.sh
index 8eff657..9b00cf7 100755
--- a/remove-driver.sh
+++ b/remove-driver.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 
 # Purpose: Remove Realtek out-of-kernel USB WiFi adapter drivers.
 #
@@ -33,11 +33,10 @@ KARCH="$(uname -m)"
 MODDESTDIR="/lib/modules/${KVER}/kernel/drivers/net/wireless/"
 
 DRV_NAME="rtl${MODULE_NAME}"
-DRV_DIR="$(pwd)"
 OPTIONS_FILE="${MODULE_NAME}.conf"
 
 # check to ensure sudo was used
-if [[ $EUID -ne 0 ]]; then
+if [ "$(id -u)" -ne 0 ]; then
 	echo "You must run this script with superuser (root) privileges."
 	echo "Try: \"sudo ./${SCRIPT_NAME}\""
 	exit 1
@@ -66,28 +65,28 @@ echo ": ${SCRIPT_NAME} v${SCRIPT_VERSION}"
 
 # check for and remove non-dkms installations
 # standard naming
-if [[ -f "${MODDESTDIR}${MODULE_NAME}.ko" ]]; then
+if [ -f "${MODDESTDIR}${MODULE_NAME}.ko" ]; then
 	echo "Removing a non-dkms installation: ${MODDESTDIR}${MODULE_NAME}.ko"
-	rm -f ${MODDESTDIR}${MODULE_NAME}.ko
-	/sbin/depmod -a ${KVER}
+	rm -f "${MODDESTDIR}${MODULE_NAME}.ko"
+	/sbin/depmod -a "${KVER}"
 fi
 
 # check for and remove non-dkms installations
 # with rtl added to module name (PClinuxOS)
-if [[ -f "${MODDESTDIR}rtl${MODULE_NAME}.ko" ]]; then
+if [ -f "${MODDESTDIR}rtl${MODULE_NAME}.ko" ]; then
 	echo "Removing a non-dkms installation: ${MODDESTDIR}rtl${MODULE_NAME}.ko"
-	rm -f ${MODDESTDIR}rtl${MODULE_NAME}.ko
-	/sbin/depmod -a ${KVER}
+	rm -f "${MODDESTDIR}rtl${MODULE_NAME}.ko"
+	/sbin/depmod -a "${KVER}"
 fi
 
 # check for and remove non-dkms installations
 # with compressed module in a unique non-standard location (Armbian)
 # Example: /usr/lib/modules/5.15.80-rockchip64/kernel/drivers/net/wireless/rtl8821cu/8821cu.ko.xz
 # Dear Armbiam, this is a really bad idea.
-if [[ -f "/usr/lib/modules/${KVER}/kernel/drivers/net/wireless/${DRV_NAME}/${MODULE_NAME}.ko.xz" ]]; then
+if [ -f "/usr/lib/modules/${KVER}/kernel/drivers/net/wireless/${DRV_NAME}/${MODULE_NAME}.ko.xz" ]; then
 	echo "Removing a non-dkms installation: /usr/lib/modules/${KVER}/kernel/drivers/net/wireless/${DRV_NAME}/${MODULE_NAME}.ko.xz"
-	rm -f /usr/lib/modules/${KVER}/kernel/drivers/net/wireless/${DRV_NAME}/${MODULE_NAME}.ko.xz
-	/sbin/depmod -a ${KVER}
+	rm -f "/usr/lib/modules/${KVER}/kernel/drivers/net/wireless/${DRV_NAME}/${MODULE_NAME}.ko.xz"
+	/sbin/depmod -a "${KVER}"
 fi
 
 # information that helps with bug reports
@@ -109,8 +108,8 @@ if command -v dkms >/dev/null 2>&1; then
 	# RESULT will be 3 if there are no instances of module to remove
 	# however we still need to remove various files or the install script
 	# may complain.
-	if [[ ("$RESULT" = "0")||("$RESULT" = "3") ]]; then
-		if [[ ("$RESULT" = "0") ]]; then
+	if [ "$RESULT" = "0" ] || [ "$RESULT" = "3" ]; then
+		if [ "$RESULT" = "0" ]; then
 			echo "${DRV_NAME}/${DRV_VERSION} has been removed"
 		fi
 	else
@@ -130,9 +129,10 @@ echo "You may now delete the driver directory if desired."
 
 # if NoPrompt is not used, ask user some questions
 if [ $NO_PROMPT -ne 1 ]; then
-	read -p "Do you want to reboot now? (recommended) [y/N] " -n 1 -r
+	echo "Do you want to reboot now? (recommended) [y/N]"
+	read -r REPLY
 	echo
-	if [[ $REPLY =~ ^[Yy]$ ]]; then
+	if [ "$REPLY" = y ] || [ "$REPLY" = Y ]; then
 		reboot
 	fi
 fi
diff --git a/save-log.sh b/save-log.sh
index 0a79ca0..e3afbe8 100755
--- a/save-log.sh
+++ b/save-log.sh
@@ -1,4 +1,3 @@
-#!/usr/bin/dash
 #!/bin/sh
 #
 SCRIPT_NAME="save-log.sh"