diff --git a/openbsc/src/libcommon/Makefile.am b/openbsc/src/libcommon/Makefile.am
index 84c7544..75f40ee 100644
--- a/openbsc/src/libcommon/Makefile.am
+++ b/openbsc/src/libcommon/Makefile.am
@@ -6,4 +6,4 @@
 
 libcommon_a_SOURCES = bsc_version.c common_vty.c debug.c gsm_data.c \
 		      gsm_data_shared.c socket.c talloc_ctx.c \
-		      gsm_subscriber_base.c utils.c
+		      gsm_subscriber_base.c
diff --git a/openbsc/src/libcommon/utils.c b/openbsc/src/libcommon/utils.c
deleted file mode 100644
index c47dcae..0000000
--- a/openbsc/src/libcommon/utils.c
+++ /dev/null
@@ -1,58 +0,0 @@
-/* OpenBSC kitchen sink */
-
-/* (C) 2015 by sysmocom s.m.f.c GmbH <info@sysmocom.de>
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero 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 Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- *
- */
-
-#include <openbsc/utils.h>
-#include <osmocom/core/utils.h>
-#include <osmocom/core/bit64gen.h>
-
-/* Wishful thinking to generate a constant time compare */
-int constant_time_cmp(const uint8_t *exp, const uint8_t *rel, const int count)
-{
-	int x = 0, i;
-
-	for (i = 0; i < count; ++i)
-		x |= exp[i] ^ rel[i];
-
-	/* if x is zero, all data was identical */
-	return x? 1 : 0;
-}
-
-
-uint64_t decode_big_endian(const uint8_t *data, size_t data_len)
-{
-	uint64_t value = 0;
-
-	while (data_len > 0) {
-		value = (value << 8) + *data;
-		data += 1;
-		data_len -= 1;
-	}
-
-	return value;
-}
-
-uint8_t *encode_big_endian(uint64_t value, size_t data_len)
-{
-	static uint8_t buf[sizeof(uint64_t)];
-	OSMO_ASSERT(data_len <= ARRAY_SIZE(buf));
-	osmo_store64be_ext(value, buf, data_len);
-	return buf;
-}
-