diff --git a/cyrus-imapd-2.3.13-bufov.patch b/cyrus-imapd-2.3.13-bufov.patch
deleted file mode 100644
index 0286ab5..0000000
--- a/cyrus-imapd-2.3.13-bufov.patch
+++ /dev/null
@@ -1,80 +0,0 @@
---- src/sieve/script.c	2008/03/24 20:08:46	1.67
-+++ src/sieve/script.c	2009/09/02 13:56:18	1.68
-@@ -40,7 +40,7 @@
-  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
-  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-  *
-- * $Id: cyrus-imapd-2.3.13-bufov.patch,v 1.1 2009/09/07 14:37:58 mhlavink Exp $
-+ * $Id: cyrus-imapd-2.3.13-bufov.patch,v 1.1 2009/09/07 14:37:58 mhlavink Exp $
-  */
- 
- #ifdef HAVE_CONFIG_H
-@@ -688,7 +688,7 @@ static int do_sieve_error(int ret,
- 	ret |= keep_ret;
-         if (keep_ret == SIEVE_OK)
-             snprintf(actions_string+strlen(actions_string),
--		     sizeof(actions_string)-strlen(actions_string),
-+		     ACTIONS_STRING_LEN-strlen(actions_string),
- 		     "Kept\n");
- 	else {
- 	    implicit_keep = 0;	/* don't try an implicit keep again */
-@@ -742,7 +742,7 @@ static int do_action_list(sieve_interp_t
- 	    
- 	    if (ret == SIEVE_OK)
- 		snprintf(actions_string+strlen(actions_string),
--			 sizeof(actions_string)-strlen(actions_string), 
-+			 ACTIONS_STRING_LEN-strlen(actions_string), 
- 			 "Rejected with: %s\n", a->u.rej.msg);
- 
- 	    break;
-@@ -757,7 +757,7 @@ static int do_action_list(sieve_interp_t
- 
- 	    if (ret == SIEVE_OK)
- 		snprintf(actions_string+strlen(actions_string),
--			 sizeof(actions_string)-strlen(actions_string),
-+			 ACTIONS_STRING_LEN-strlen(actions_string),
- 			 "Filed into: %s\n",a->u.fil.mailbox);
- 	    break;
- 	case ACTION_KEEP:
-@@ -770,7 +770,7 @@ static int do_action_list(sieve_interp_t
- 			       &errmsg);
- 	    if (ret == SIEVE_OK)
- 		snprintf(actions_string+strlen(actions_string),
--			 sizeof(actions_string)-strlen(actions_string),
-+			 ACTIONS_STRING_LEN-strlen(actions_string),
- 			 "Kept\n");
- 	    break;
- 	case ACTION_REDIRECT:
-@@ -783,7 +783,7 @@ static int do_action_list(sieve_interp_t
- 				   &errmsg);
- 	    if (ret == SIEVE_OK)
- 		snprintf(actions_string+strlen(actions_string),
--			 sizeof(actions_string)-strlen(actions_string),
-+			 ACTIONS_STRING_LEN-strlen(actions_string),
- 			 "Redirected to %s\n", a->u.red.addr);
- 	    break;
- 	case ACTION_DISCARD:
-@@ -794,7 +794,7 @@ static int do_action_list(sieve_interp_t
- 				      &errmsg);
- 	    if (ret == SIEVE_OK)
- 		snprintf(actions_string+strlen(actions_string),
--			 sizeof(actions_string)-strlen(actions_string),
-+			 ACTIONS_STRING_LEN-strlen(actions_string),
- 			 "Discarded\n");
- 	    break;
- 
-@@ -820,12 +820,12 @@ static int do_action_list(sieve_interp_t
- 
- 		    if (ret == SIEVE_OK)
- 			snprintf(actions_string+strlen(actions_string),
--				 sizeof(actions_string)-strlen(actions_string),
-+				 ACTIONS_STRING_LEN-strlen(actions_string),
- 				 "Sent vacation reply\n");
- 
- 		} else if (ret == SIEVE_DONE) {
- 		    snprintf(actions_string+strlen(actions_string),
--			     sizeof(actions_string)-strlen(actions_string),
-+			     ACTIONS_STRING_LEN-strlen(actions_string),
- 			     "Vacation reply suppressed\n");
- 
- 		    ret = SIEVE_OK;