diff --git a/config.c b/config.c
index ad398c1..2cd2788 100644
--- a/config.c
+++ b/config.c
@@ -78,6 +78,7 @@ struct config_item {
 
 struct config_item config_tab[] = {
 	GLOB_ITEM_INT("assume_two_step", 0, 0, 1),
+	GLOB_ITEM_INT("check_fup_sync", 0, 0, 1),
 	GLOB_ITEM_INT("tx_timestamp_timeout", 1, 1, INT_MAX),
 	PORT_ITEM_INT("udp_ttl", 1, 1, 255),
 };
@@ -520,12 +521,6 @@ static enum parser_result parse_global_setting(const char *option,
 		cfg->dds.freq_est_interval = val;
 		pod->freq_est_interval = val;
 
-	} else if (!strcmp(option, "check_fup_sync")) {
-		r = get_ranged_int(value, &val, 0, 1);
-		if (r != PARSED_OK)
-			return r;
-		*cfg->check_fup_sync = val;
-
 	} else if (!strcmp(option, "pi_proportional_const")) {
 		r = get_ranged_double(value, &df, 0.0, DBL_MAX);
 		if (r != PARSED_OK)
diff --git a/config.h b/config.h
index 8e95561..b200c8c 100644
--- a/config.h
+++ b/config.h
@@ -70,8 +70,6 @@ struct config {
 
 	struct default_ds dds;
 	struct port_defaults pod;
-	int *check_fup_sync;
-
 	enum servo_type clock_servo;
 
 	double *step_threshold;
diff --git a/ptp4l.c b/ptp4l.c
index 439058c..b2ac0d5 100644
--- a/ptp4l.c
+++ b/ptp4l.c
@@ -101,9 +101,6 @@ static struct config cfg_settings = {
 	.timestamping = TS_HARDWARE,
 	.dm = DM_E2E,
 	.transport = TRANS_UDP_IPV4,
-
-	.check_fup_sync = &sk_check_fupsync,
-
 	.clock_servo = CLOCK_SERVO_PI,
 
 	.step_threshold = &servo_step_threshold,
@@ -280,6 +277,7 @@ int main(int argc, char *argv[])
 	}
 
 	assume_two_step = config_get_int(cfg, NULL, "assume_two_step");
+	sk_check_fupsync = config_get_int(cfg, NULL, "check_fup_sync");
 	sk_tx_timeout = config_get_int(cfg, NULL, "tx_timestamp_timeout");
 
 	if (!cfg_settings.dds.grand_master_capable &&