diff --git a/library/cmac.c b/library/cmac.c
index 4c25a67..09a705d 100644
--- a/library/cmac.c
+++ b/library/cmac.c
@@ -59,7 +59,6 @@
     memset( ctx, 0, sizeof( mbedtls_cmac_context ) );
 }
 
-
 /*
  * Multiplication by u in the Galois field of GF(2^n)
  *
@@ -267,13 +266,11 @@
                            unsigned char *tag, size_t tag_len )
 
 {
-
     unsigned char *state;
     unsigned char *M_last;
     int     n, j, ret, needs_padding;
     size_t olen, block_size, i;
 
-
     ret = 0;
     block_size = ctx->cipher_ctx.cipher_info->block_size;