diff --git a/include/cpu_blake2.h b/include/cpu_blake2.h
index 07a4d8e32..c154cf2d0 100644
--- a/include/cpu_blake2.h
+++ b/include/cpu_blake2.h
@@ -6,14 +6,4 @@
 #ifndef _CPU_BLAKE2_H
 #define _CPU_BLAKE2_H
 
-#include <string.h>
-
-const u64 blake2b_IV[8] =
-{
-  0x6a09e667f3bcc908, 0xbb67ae8584caa73b,
-  0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1,
-  0x510e527fade682d1, 0x9b05688c2b3e6c1f,
-  0x1f83d9abfb41bd6b, 0x5be0cd19137e2179
-};
-
 #endif // _CPU_BLAKE2_H
diff --git a/src/interface.c b/src/interface.c
index ff7c33eac..f81f9109c 100644
--- a/src/interface.c
+++ b/src/interface.c
@@ -5815,14 +5815,14 @@ int blake2b_parse_hash (u8 *input_buf, u32 input_len, hash_t *hash_buf, MAYBE_UN
 
   memset(S,  0, sizeof (blake2_t));
 
-  S->h[0] = blake2b_IV[0];
-  S->h[1] = blake2b_IV[1];
-  S->h[2] = blake2b_IV[2];
-  S->h[3] = blake2b_IV[3];
-  S->h[4] = blake2b_IV[4];
-  S->h[5] = blake2b_IV[5];
-  S->h[6] = blake2b_IV[6];
-  S->h[7] = blake2b_IV[7];
+  S->h[0] = BLAKE2B_IV_00;
+  S->h[1] = BLAKE2B_IV_01;
+  S->h[2] = BLAKE2B_IV_02;
+  S->h[3] = BLAKE2B_IV_03;
+  S->h[4] = BLAKE2B_IV_04;
+  S->h[5] = BLAKE2B_IV_05;
+  S->h[6] = BLAKE2B_IV_06;
+  S->h[7] = BLAKE2B_IV_07;
 
   // S->h[0] ^= 0x0000000001010040; // digest_lenght = 0x40, depth = 0x01, fanout = 0x01
   S->h[0] ^= 0x40 <<  0;