diff --git a/wlauto/common/linux/device.py b/wlauto/common/linux/device.py
index b1364559..435aa956 100644
--- a/wlauto/common/linux/device.py
+++ b/wlauto/common/linux/device.py
@@ -189,6 +189,18 @@ class BaseLinuxDevice(Device):  # pylint: disable=abstract-method
             else:
                 self.busybox = 'busybox'
 
+    def is_file(self, filepath):
+        output = self.execute('if [ -f \'{}\' ]; then echo 1; else echo 0; fi'.format(filepath))
+        # output from ssh my contain part of the expression in the buffer,
+        # split out everything except the last word.
+        return boolean(output.split()[-1])  # pylint: disable=maybe-no-member
+
+    def is_directory(self, filepath):
+        output = self.execute('if [ -d \'{}\' ]; then echo 1; else echo 0; fi'.format(filepath))
+        # output from ssh my contain part of the expression in the buffer,
+        # split out everything except the last word.
+        return boolean(output.split()[-1])  # pylint: disable=maybe-no-member
+
     def get_properties(self, context):
         for propfile in self.property_files:
             try:
@@ -726,18 +738,6 @@ class LinuxDevice(BaseLinuxDevice):
         # split out everything except the last word.
         return boolean(output.split()[-1])  # pylint: disable=maybe-no-member
 
-    def is_file(self, filepath):
-        output = self.execute('if [ -f \'{}\' ]; then echo 1; else echo 0; fi'.format(filepath))
-        # output from ssh my contain part of the expression in the buffer,
-        # split out everything except the last word.
-        return boolean(output.split()[-1])  # pylint: disable=maybe-no-member
-
-    def is_directory(self, filepath):
-        output = self.execute('if [ -d \'{}\' ]; then echo 1; else echo 0; fi'.format(filepath))
-        # output from ssh my contain part of the expression in the buffer,
-        # split out everything except the last word.
-        return boolean(output.split()[-1])  # pylint: disable=maybe-no-member
-
     def listdir(self, path, as_root=False, **kwargs):
         contents = self.execute('ls -1 {}'.format(path), as_root=as_root).strip()
         if not contents: