diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 30c04a6ee..86a10294b 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -350,8 +350,6 @@ android.applicationVariants.all {
             }
         }
 
-        from(File(magiskDir, "customize.sh"))
-
         from(File(rootDir, "LICENSE"))
         from(File(rootDir, "README.md"))
     }
diff --git a/app/magisk/customize.sh b/app/magisk/customize.sh
deleted file mode 100644
index 5404cc7a5..000000000
--- a/app/magisk/customize.sh
+++ /dev/null
@@ -1,43 +0,0 @@
-# Until Magisk supports overlayfs, we'll try to install to a non-overlayfs path
-# that still supports privileged apps.
-# https://github.com/topjohnwu/Magisk/pull/6588
-
-has_overlays() {
-    local mnt="${1}" count
-    count=$(awk -v mnt="${mnt}" '$9 == "overlay" && $5 ~ mnt' /proc/self/mountinfo | wc -l)
-    [ "${count}" -gt 0 ]
-}
-
-target=
-
-for mountpoint in /system /product /system_ext /vendor; do
-    if has_overlays "^${mountpoint}"; then
-        echo "Cannot use ${mountpoint}: contains overlayfs mounts"
-    # Magisk fails to mount files when the parent directory does not exist
-    elif [ ! -d "${mountpoint}/etc/permissions" ]; then
-        echo "Cannot use ${mountpoint}: etc/permissions/ does not exist"
-    elif [ ! -d "${mountpoint}/priv-app" ]; then
-        echo "Cannot use ${mountpoint}: priv-app/ does not exist"
-    else
-        echo "Using ${mountpoint} as the installation target"
-        target=${mountpoint}
-        break
-    fi
-done
-
-if [ -z "${target}" ]; then
-    echo 'No suitable installation target found'
-    echo 'This OS is not supported'
-    rm -rv "${MODPATH}" 2>&1
-    exit 1
-fi
-
-if [ "${target}" != /system ]; then
-    echo 'Removing addon.d script since installation target is not /system'
-    rm -rv "${MODPATH}/system/addon.d" 2>&1 || exit 1
-
-    echo "Adjusting overlay for installation to ${target}"
-    mv -v "${MODPATH}/system" "${MODPATH}/${target#/}" 2>&1 || exit 1
-    mkdir -v "${MODPATH}/system" 2>&1 || exit 1
-    mv -v "${MODPATH}/${target#/}" "${MODPATH}/system/${target#/}" 2>&1 || exit 1
-fi
diff --git a/app/magisk/update-binary b/app/magisk/update-binary
index 911344361..60d37d4ee 100644
--- a/app/magisk/update-binary
+++ b/app/magisk/update-binary
@@ -40,5 +40,20 @@ else
 
     . /data/adb/magisk/util_functions.sh
 
+    has_overlays() {
+        local mnt="${1}" count
+        count=$(awk -v mnt="${mnt}" '$9 == "overlay" && $5 ~ mnt' /proc/self/mountinfo | wc -l)
+        [ "${count}" -gt 0 ]
+    }
+
+    # https://github.com/topjohnwu/Magisk/pull/6588
+    if [ -n "${MAGISK_VER_CODE}" ]; then
+        ui_print "Magisk version: ${MAGISK_VER_CODE}"
+        if has_overlays /system && [ "${MAGISK_VER_CODE}" -lt 26000 ]; then
+            ui_print "Magisk v26.0 (26000) or newer is required because this device uses overlayfs"
+            exit 1
+        fi
+    fi
+
     install_module
 fi