diff --git a/src/node_device/node_device_udev.h b/src/node_device/node_device_udev.h
index eab22a9182..fac0caf5fb 100644
--- a/src/node_device/node_device_udev.h
+++ b/src/node_device/node_device_udev.h
@@ -22,5 +22,4 @@
 
 #include <libudev.h>
 
-#define SYSFS_DATA_SIZE 4096
 #define DMI_DEVPATH "/sys/devices/virtual/dmi/id"