diff --git a/pkgtxt b/pkgtxt
index cf89680..b2c00df 100755
--- a/pkgtxt
+++ b/pkgtxt
@@ -56,11 +56,17 @@ update() {
         esac
     done
 
-    # installing all missing packages
-    pacman -S --noconfirm $(cat $to_install) 2>/dev/null
+    # remove all packages to remove
+    while IFS='' read -r LINE || [ -n "${LINE}" ]; do
+        if pacman -Qii "$LINE" | grep "^Required By.*None$"; then
+            pacman -Rs --noconfirm "$LINE"
+        else
+            pacman -D --asdeps "$LINE"
+        fi
+    done < $to_remove
 
-    # removing all packages to remove
-    pacman -Rs --noconfirm $(cat $to_remove) 2>/dev/null
+    # install all missing packages
+    pacman -S --noconfirm $(cat $to_install) 2>/dev/null
 
     remove_tmps