diff --git a/udev.h b/udev.h
index 59c374365..3c3c3d5de 100644
--- a/udev.h
+++ b/udev.h
@@ -37,15 +37,9 @@
 
 /* Lots of constants that should be in a config file sometime */
 
-/* Location of sysfs mount */
-#define SYSFS_ROOT	"/sys"
-
 /* Where udev should create its device nodes, trailing / needed */
 #define UDEV_ROOT	"/udev/"
 
-/* device file in sysfs that contains major/minor number, leading / needed */
-#define DEV_FILE	"/dev"
-
 /* Binaries that udev calls to do stuff */
 #define MKNOD		"/bin/mknod"