diff --git a/plugins/disk/btrfs_device_stats b/plugins/disk/btrfs_device_stats
index 2cbf1640..639fff2f 100755
--- a/plugins/disk/btrfs_device_stats
+++ b/plugins/disk/btrfs_device_stats
@@ -80,7 +80,6 @@ def munin_values(fs):
     devices = fs.devices()
     
     for this_device in devices:
-        this_dev_info = fs.dev_info(this_device.devid)
         this_dev_stat = fs.dev_stats(this_device.devid, False)
         
         corruption_errs = this_dev_stat.corruption_errs