diff --git a/src/zcompile/LICENSE b/src/zcompile/LICENSE
deleted file mode 100644
index 55faacfc49b613507471d6583f5bd8a1a0e58d31..0000000000000000000000000000000000000000
--- a/src/zcompile/LICENSE
+++ /dev/null
@@ -1,30 +0,0 @@
-Copyright (c) 2001-2006, NLnet Labs. All rights reserved.
-
-This software is open source.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-
-Redistributions of source code must retain the above copyright notice,
-this list of conditions and the following disclaimer.
-
-Redistributions in binary form must reproduce the above copyright notice,
-this list of conditions and the following disclaimer in the documentation
-and/or other materials provided with the distribution.
-
-Neither the name of the NLNET LABS nor the names of its contributors may
-be used to endorse or promote products derived from this software without
-specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
-LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
-INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
-CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
-ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-POSSIBILITY OF SUCH DAMAGE.
diff --git a/src/zcompile/zcompile-error.c b/src/zcompile/zcompile-error.c
deleted file mode 100644
index 9357cdedac1081e50186908baf272741c1cdf6b8..0000000000000000000000000000000000000000
--- a/src/zcompile/zcompile-error.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/*  Copyright (C) 2011 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "zcompile/zcompile-error.h"
-
-#include "common/errors.h"
-
-/*! \brief Table linking error messages to error codes. */
-const error_table_t knot_zcompile_error_msgs[KNOTDZCOMPILE_ERROR_COUNT] = {
-
-	/* Mapped errors. */
-	{KNOTDZCOMPILE_EOK, "OK"},
-	{KNOTDZCOMPILE_ENOMEM, "Not enough memory."},
-	{KNOTDZCOMPILE_EINVAL, "Invalid parameter passed."},
-	{KNOTDZCOMPILE_ENOTSUP, "Parameter not supported."},
-	{KNOTDZCOMPILE_EBUSY, "Requested resource is busy."},
-	{KNOTDZCOMPILE_EAGAIN,
-	 "The system lacked the necessary resource, try again."},
-	{KNOTDZCOMPILE_EACCES,
-	 "Permission to perform requested operation is denied."},
-	{KNOTDZCOMPILE_ECONNREFUSED, "Connection is refused."},
-	{KNOTDZCOMPILE_EISCONN, "Already connected."},
-	{KNOTDZCOMPILE_EADDRINUSE, "Address already in use."},
-	{KNOTDZCOMPILE_ENOENT, "Resource not found."},
-	{KNOTDZCOMPILE_ERANGE, "Value is out of range."},
-
-	/* Custom errors. */
-	{KNOTDZCOMPILE_ERROR, "Generic error."},
-	{KNOTDZCOMPILE_EBRDATA, "Malformed RDATA."},
-	{KNOTDZCOMPILE_ESOA, "Multiple SOA records."},
-	{KNOTDZCOMPILE_EBADSOA, "SOA record has different owner "
-	 "than in config - parser will not continue!"},
-	{KNOTDZCOMPILE_EBADNODE, "Error handling node."},
-	{KNOTDZCOMPILE_EZONEINVAL, "Invalid zone file."},
-	{KNOTDZCOMPILE_EPARSEFAIL, "Parser failed."},
-	{KNOTDZCOMPILE_ENOIPV6, "IPv6 support disabled."},
-	{KNOTDZCOMPILE_ESYNT, "Parser syntactic error."},
-	{KNOTDZCOMPILE_ERROR, 0}
-};