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diff --git a/libtomcrypt/src/mac/omac/omac_process.c b/libtomcrypt/src/mac/omac/omac_process.c
deleted file mode 100644
index 4ae2bd1..0000000
--- a/libtomcrypt/src/mac/omac/omac_process.c
+++ /dev/null
@@ -1,90 +0,0 @@
-/* LibTomCrypt, modular cryptographic library -- Tom St Denis
- *
- * LibTomCrypt is a library that provides various cryptographic
- * algorithms in a highly modular and flexible manner.
- *
- * The library is free for all purposes without any express
- * guarantee it works.
- */
-#include "tomcrypt.h"
-
-/**
-  @file omac_process.c
-  OMAC1 support, process data, Tom St Denis
-*/
-
-
-#ifdef LTC_OMAC
-
-/**
-   Process data through OMAC
-   @param omac     The OMAC state
-   @param in       The input data to send through OMAC
-   @param inlen    The length of the input (octets)
-   @return CRYPT_OK if successful
-*/
-int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen)
-{
-   unsigned long n, x;
-   int           err;
-
-   LTC_ARGCHK(omac  != NULL);
-   LTC_ARGCHK(in    != NULL);
-   if ((err = cipher_is_valid(omac->cipher_idx)) != CRYPT_OK) {
-      return err;
-   }
-
-   if ((omac->buflen > (int)sizeof(omac->block)) || (omac->buflen < 0) ||
-       (omac->blklen > (int)sizeof(omac->block)) || (omac->buflen > omac->blklen)) {
-      return CRYPT_INVALID_ARG;
-   }
-
-#ifdef LTC_FAST
-   {
-     unsigned long blklen = cipher_descriptor[omac->cipher_idx].block_length;
-
-     if (omac->buflen == 0 && inlen > blklen) {
-        unsigned long y;
-        for (x = 0; x < (inlen - blklen); x += blklen) {
-            for (y = 0; y < blklen; y += sizeof(LTC_FAST_TYPE)) {
-                *(LTC_FAST_TYPE_PTR_CAST(&omac->prev[y])) ^= *(LTC_FAST_TYPE_PTR_CAST(&in[y]));
-            }
-            in += blklen;
-            if ((err = cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->prev, omac->prev, &omac->key)) != CRYPT_OK) {
-               return err;
-            }
-        }
-        inlen -= x;
-     }
-   }
-#endif
-
-   while (inlen != 0) {
-       /* ok if the block is full we xor in prev, encrypt and replace prev */
-       if (omac->buflen == omac->blklen) {
-          for (x = 0; x < (unsigned long)omac->blklen; x++) {
-              omac->block[x] ^= omac->prev[x];
-          }
-          if ((err = cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->block, omac->prev, &omac->key)) != CRYPT_OK) {
-             return err;
-          }
-          omac->buflen = 0;
-       }
-
-       /* add bytes */
-       n = MIN(inlen, (unsigned long)(omac->blklen - omac->buflen));
-       XMEMCPY(omac->block + omac->buflen, in, n);
-       omac->buflen  += n;
-       inlen         -= n;
-       in            += n;
-   }
-
-   return CRYPT_OK;
-}
-
-#endif
-
-
-/* ref:         $Format:%D$ */
-/* git commit:  $Format:%H$ */
-/* commit time: $Format:%ai$ */