diff --git a/endian.c b/endian.c
index 0e9bde6..bdbf5bd 100644
--- a/endian.c
+++ b/endian.c
@@ -11,8 +11,6 @@ static const union {
 
 #define ORDER_LITTLE_ENDIAN     0x03020100
 #define ORDER_BIG_ENDIAN        0x00010203
-#define ORDER_PDP_ENDIAN        0x01000302
-#define ORDER_HONEYWELL_ENDIAN  0x02030001
 
 void cu_endian_init()
 {
@@ -20,8 +18,5 @@ void cu_endian_init()
         cu_endian = LittleEndian;
     else if (host_order.value == ORDER_BIG_ENDIAN)
         cu_endian = BigEndian;
-    else if (host_order.value == ORDER_PDP_ENDIAN)
-        cu_endian = PDPEndian;
-    else if (host_order.value == ORDER_HONEYWELL_ENDIAN)
-        cu_endian = HoneywellEndian;
+    else cu_endian = MiddleEndian;
 }
diff --git a/endian.h b/endian.h
index 6fdff4f..6d32640 100644
--- a/endian.h
+++ b/endian.h
@@ -6,8 +6,7 @@
 enum cu_endian_e {
     LittleEndian,
     BigEndian,
-    PDPEndian,
-    HoneywellEndian
+    MiddleEndian
 };
 
 extern enum cu_endian_e cu_endian;