diff --git a/apps/Box86/uninstall b/apps/Box86/uninstall
index f58b1f5..4d38d78 100755
--- a/apps/Box86/uninstall
+++ b/apps/Box86/uninstall
@@ -23,7 +23,9 @@ sudo rm -f /etc/apt/sources.list.d/box86.list || error "Failed to remove repo!"
 echo "removing box86 repo key..."
 sudo apt-key remove "5DBC E818 72C0 609D 3C47  61AA EB3C E9A3 37EC DFA4" || error "Failed to remove key!"
 
-if [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 64)" ]; then
+#to set $arch variable
+source "${DIRECTORY}/api" || error "failed to source ${DIRECTORY}/api"
+if [ "$arch" == 64 ]; then
   
   sudo dpkg --remove-architecture armhf || warning "armhf architecture should be removed by now, but it isn't!"
   check-armhf
@@ -31,7 +33,7 @@ if [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 64)" ]; then
     warning "You probably have some other programs using it, remove it by running 'sudo dpkg --remove-architecture armhf'."
   fi
     
-elif [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 32)" ]; then
+elif [ "$arch" == 32 ]; then
   #32-bit
   true #do nothing
 else
diff --git a/apps/Remarkable/uninstall b/apps/Remarkable/uninstall
index 2d60fbe..485ca2f 100755
--- a/apps/Remarkable/uninstall
+++ b/apps/Remarkable/uninstall
@@ -7,11 +7,13 @@ function error {
   exit 1
 }
 
-if [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 64)" ];then
+#to set $arch variable
+source "${DIRECTORY}/api" || error "failed to source ${DIRECTORY}/api"
+if [ "$arch" == 64 ];then
   #COMMANDS TO UNINSTALL 64BIT
   "${DIRECTORY}/purge-installed" "$(dirname "$0")" || exit 1
   
-elif [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 32)" ];then
+elif [ "$arch" == 32 ];then
   #COMMANDS TO UNINSTALL 32BIT
   sudo apt purge remarkable -y || error "Failed to purge remarkable package!"
   sudo apt autoremove -y
diff --git a/apps/Sublime Text/uninstall b/apps/Sublime Text/uninstall
index c2ba40b..9aba050 100755
--- a/apps/Sublime Text/uninstall	
+++ b/apps/Sublime Text/uninstall	
@@ -7,13 +7,11 @@ function error {
   exit 1
 }
 
+source "${DIRECTORY}/api" || error "failed to source ${DIRECTORY}/api"
 
-
-if [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 64)" ];then
-  #arch=64
+if [ "$arch" == 64 ];then
   sudo apt purge sublime-text
-elif [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 32)" ];then
-  #arch=32
+elif [ "$arch" == 32 ];then
   rm -f ~/.local/share/applications/sublime-text.desktop
   rm -rf ~/"Sublime Text 2"
 else
diff --git a/manage b/manage
index f1e6434..d0ca42d 100755
--- a/manage
+++ b/manage
@@ -20,15 +20,6 @@ mkdir -p "${DIRECTORY}/data/status" "${DIRECTORY}/data/update-status" "${DIRECTO
 #remove week-old logfiles
 find "$DIRECTORY/logs" -type f -mtime +7 -exec rm -f {} \; &>/dev/null &
 
-#determine if host system is 64 bit arm64 or 32 bit armhf
-if [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 64)" ];then
-  arch=64
-elif [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 32)" ];then
-  arch=32
-else
-  error "Failed to detect OS CPU architecture! Something is very wrong."
-fi
-
 #Ensure running arm processor
 if uname -m | grep -q 'x86' ;then
   error "Pi-Apps is not not supported on x86 processors."
diff --git a/preload b/preload
index 376fbd3..ff564fd 100755
--- a/preload
+++ b/preload
@@ -10,14 +10,7 @@ function error {
   exit 1
 }
 
-#determine if host system is 64 bit arm64 or 32 bit armhf
-if [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 64)" ];then
-  arch=64
-elif [ ! -z "$(file "$(readlink -f "/sbin/init")" | grep 32)" ];then
-  arch=32
-else
-  error "Failed to detect OS CPU architecture! Something is very wrong."
-fi
+source "${DIRECTORY}/api" || error "failed to source ${DIRECTORY}/api"
 
 #yad or xlunch format
 format="$1"