diff --git a/sudo.h b/sudo.h
index 8ef9b12d9..5c88e890d 100644
--- a/sudo.h
+++ b/sudo.h
@@ -152,16 +152,6 @@ extern int top;
 #define PERM_FULL_USER           0x03
 #define PERM_SUDOERS             0x04
 
-/*
- * Shadow password types
- */
-#define SPW_NONE		0x00
-#define SPW_SECUREWARE		0x01
-#define SPW_HPUX9		0x02
-#define SPW_SUNOS4		0x03
-#define SPW_SVR4		0x04
-#define SPW_ULTRIX4		0x05
-
 /*
  * Prototypes
  */