diff --git a/include/byte_order_generic_x86.h b/include/byte_order_generic_x86.h
index 95f9ecb..e0408ca 100644
--- a/include/byte_order_generic_x86.h
+++ b/include/byte_order_generic_x86.h
@@ -27,17 +27,9 @@
 				  ((uint32) (uchar) (A)[0])))
 #define sint4korr(A)	(*((long *) (A)))
 #define uint2korr(A)	(*((uint16 *) (A)))
-/*
-  Attention: Please, note, uint3korr reads 4 bytes (not 3)!
-  It means, that you have to provide enough allocated space.
-*/
-#if defined(HAVE_purify) && !defined(_WIN32)
 #define uint3korr(A)	(uint32) (((uint32) ((uchar) (A)[0])) +\
 				  (((uint32) ((uchar) (A)[1])) << 8) +\
 				  (((uint32) ((uchar) (A)[2])) << 16))
-#else
-#define uint3korr(A)	(long) (*((unsigned int *) (A)) & 0xFFFFFF)
-#endif
 #define uint4korr(A)	(*((uint32 *) (A)))
 #define uint5korr(A)	((ulonglong)(((uint32) ((uchar) (A)[0])) +\
 				    (((uint32) ((uchar) (A)[1])) << 8) +\
diff --git a/include/byte_order_generic_x86_64.h b/include/byte_order_generic_x86_64.h
index 72d9657..7cac70c 100644
--- a/include/byte_order_generic_x86_64.h
+++ b/include/byte_order_generic_x86_64.h
@@ -27,17 +27,9 @@
 				  ((uint32) (uchar) (A)[0])))
 #define sint4korr(A)	(int32)  (*((int32 *) (A)))
 #define uint2korr(A)	(uint16) (*((uint16 *) (A)))
-/*
-  Attention: Please, note, uint3korr reads 4 bytes (not 3)!
-  It means, that you have to provide enough allocated space.
-*/
-#if defined(HAVE_purify) && !defined(_WIN32)
 #define uint3korr(A)	(uint32) (((uint32) ((uchar) (A)[0])) +\
 				  (((uint32) ((uchar) (A)[1])) << 8) +\
 				  (((uint32) ((uchar) (A)[2])) << 16))
-#else
-#define uint3korr(A)	(uint32) (*((unsigned int *) (A)) & 0xFFFFFF)
-#endif
 #define uint4korr(A)	(uint32) (*((uint32 *) (A)))
 #define uint5korr(A)	((ulonglong)(((uint32) ((uchar) (A)[0])) +\
 				    (((uint32) ((uchar) (A)[1])) << 8) +\