diff --git a/src/libcommon/Makefile.am b/src/libcommon/Makefile.am
index e96faef..5bd1c2f 100644
--- a/src/libcommon/Makefile.am
+++ b/src/libcommon/Makefile.am
@@ -20,7 +20,6 @@
 	$(NULL)
 
 libcommon_a_SOURCES = \
-	debug.c \
 	gsm_data.c \
 	gsup_client.c \
 	oap_client.c \
diff --git a/src/libcommon/debug.c b/src/libcommon/debug.c
deleted file mode 100644
index fbdab80..0000000
--- a/src/libcommon/debug.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/* OpenBSC Debugging/Logging support code */
-
-/* (C) 2008-2010 by Harald Welte <laforge@gnumonks.org>
- * (C) 2008 by Holger Hans Peter Freyther <zecke@selfish.org>
- * 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 <stdarg.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <strings.h>
-#include <time.h>
-#include <errno.h>
-
-#include <osmocom/core/talloc.h>
-#include <osmocom/core/utils.h>
-#include <osmocom/core/logging.h>
-#include <osmocom/gprs/gprs_msgb.h>
-#include <osmocom/msc/gsm_data.h>
-#include <osmocom/msc/debug.h>
-
-/* default categories */
-static const struct log_info_cat default_categories[] = {
-	[DRLL] = {
-		.name = "DRLL",
-		.description = "A-bis Radio Link Layer (RLL)",
-		.color = "\033[1;31m",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[DCC] = {
-		.name = "DCC",
-		.description = "Layer3 Call Control (CC)",
-		.color = "\033[1;32m",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[DMM] = {
-		.name = "DMM",
-		.description = "Layer3 Mobility Management (MM)",
-		.color = "\033[1;33m",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[DRR] = {
-		.name = "DRR",
-		.description = "Layer3 Radio Resource (RR)",
-		.color = "\033[1;34m",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[DMNCC] = {
-		.name = "DMNCC",
-		.description = "MNCC API for Call Control application",
-		.color = "\033[1;39m",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[DPAG]	= {
-		.name = "DPAG",
-		.description = "Paging Subsystem",
-		.color = "\033[1;38m",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[DMSC] = {
-		.name = "DMSC",
-		.description = "Mobile Switching Center",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[DMGCP] = {
-		.name = "DMGCP",
-		.description = "Media Gateway Control Protocol",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[DHO] = {
-		.name = "DHO",
-		.description = "Hand-Over",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[DDB] = {
-		.name = "DDB",
-		.description = "Database Layer",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[DREF] = {
-		.name = "DREF",
-		.description = "Reference Counting",
-		.enabled = 0, .loglevel = LOGL_NOTICE,
-	},
-	[DCTRL] = {
-		.name = "DCTRL",
-		.description = "Control interface",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-	[DSMPP] = {
-		.name = "DSMPP",
-		.description = "SMPP interface for external SMS apps",
-		.enabled = 1, .loglevel = LOGL_DEBUG,
-	},
-	[DRANAP] = {
-		.name = "DRANAP",
-		.description = "Radio Access Network Application Part Protocol",
-		.enabled = 1, .loglevel = LOGL_DEBUG,
-	},
-	[DVLR] = {
-		.name = "DVLR",
-		.description = "Visitor Location Register",
-		.enabled = 1, .loglevel = LOGL_DEBUG,
-	},
-	[DIUCS] = {
-		.name = "DIUCS",
-		.description = "Iu-CS Protocol",
-		.enabled = 1, .loglevel = LOGL_DEBUG,
-	},
-	[DBSSAP] = {
-		.name = "DBSSAP",
-		.description = "BSSAP Protocol (A Interface)",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
-	},
-
-};
-
-static int filter_fn(const struct log_context *ctx, struct log_target *tar)
-{
-	const struct vlr_subscr *vsub = ctx->ctx[LOG_CTX_VLR_SUBSCR];
-
-	if ((tar->filter_map & (1 << LOG_FLT_VLR_SUBSCR)) != 0
-	    && vsub && vsub == tar->filter_data[LOG_FLT_VLR_SUBSCR])
-		return 1;
-
-	return 0;
-}
-
-const struct log_info log_info = {
-	.filter_fn = filter_fn,
-	.cat = default_categories,
-	.num_cat = ARRAY_SIZE(default_categories),
-};
diff --git a/src/libcommon/gsup_test_client.c b/src/libcommon/gsup_test_client.c
index 8b6199e..3e88689 100644
--- a/src/libcommon/gsup_test_client.c
+++ b/src/libcommon/gsup_test_client.c
@@ -8,10 +8,10 @@
 #include <osmocom/core/select.h>
 #include <osmocom/core/application.h>
 #include <osmocom/core/utils.h>
+#include <osmocom/core/logging.h>
 #include <osmocom/gsm/gsup.h>
 
 #include <osmocom/msc/gsup_client.h>
-#include <osmocom/msc/debug.h>
 
 static struct gsup_client *g_gc;
 
diff --git a/src/libcommon/oap_client.c b/src/libcommon/oap_client.c
index 7154baa..137515a 100644
--- a/src/libcommon/oap_client.c
+++ b/src/libcommon/oap_client.c
@@ -24,6 +24,7 @@
 #include <errno.h>
 
 #include <osmocom/core/utils.h>
+#include <osmocom/core/logging.h>
 #include <osmocom/crypt/auth.h>
 #include <osmocom/gsm/oap.h>