diff --git a/mesh/cfgmod-server.c b/mesh/cfgmod-server.c
index 6194fc7..14b4a98 100644
--- a/mesh/cfgmod-server.c
+++ b/mesh/cfgmod-server.c
@@ -104,9 +104,8 @@ static void config_pub_get(struct mesh_node *node, uint16_t net_idx,
 }
 
 static void config_pub_set(struct mesh_node *node, uint16_t net_idx,
-					uint16_t src, uint16_t dst,
-					const uint8_t *pkt, bool virt,
-					bool vendor, bool unreliable)
+				uint16_t src, uint16_t dst,
+				const uint8_t *pkt, bool virt, bool vendor)
 {
 	uint32_t mod_id;
 	uint16_t ele_addr, idx, ota = UNASSIGNED_ADDRESS;
@@ -149,9 +148,8 @@ static void config_pub_set(struct mesh_node *node, uint16_t net_idx,
 					status, ele_addr, ota, mod_id, idx);
 
 	if (status != MESH_STATUS_SUCCESS) {
-		if (!unreliable)
-			send_pub_status(node, net_idx, src, dst, status,
-					ele_addr, mod_id, 0, 0, 0, 0, 0, 0);
+		send_pub_status(node, net_idx, src, dst, status, ele_addr,
+						mod_id, 0, 0, 0, 0, 0, 0);
 
 		return;
 	}
@@ -186,10 +184,8 @@ static void config_pub_set(struct mesh_node *node, uint16_t net_idx,
 			status = MESH_STATUS_STORAGE_FAIL;
 	}
 
-	if (!unreliable)
-		send_pub_status(node, net_idx, src, dst, status, ele_addr,
-					mod_id, ota, idx, cred_flag, ttl,
-					period, retransmit);
+	send_pub_status(node, net_idx, src, dst, status, ele_addr, mod_id, ota,
+				idx, cred_flag, ttl, period, retransmit);
 }
 
 static void send_sub_status(struct mesh_node *node, uint16_t net_idx,
@@ -317,7 +313,6 @@ static void config_sub_set(struct mesh_node *node, uint16_t net_idx,
 					bool virt, uint32_t opcode)
 {
 	uint16_t grp, ele_addr;
-	bool unreliable = !!(opcode & OP_UNRELIABLE);
 	uint32_t mod_id;
 	const uint8_t *addr = NULL;
 	int status = MESH_STATUS_SUCCESS;
@@ -375,7 +370,7 @@ static void config_sub_set(struct mesh_node *node, uint16_t net_idx,
 	} else
 		grp = UNASSIGNED_ADDRESS;
 
-	switch (opcode & ~OP_UNRELIABLE) {
+	switch (opcode) {
 	default:
 		l_debug("Bad opcode: %x", opcode);
 		return;
@@ -417,8 +412,8 @@ static void config_sub_set(struct mesh_node *node, uint16_t net_idx,
 		grp = UNASSIGNED_ADDRESS;
 		/* Fall Through */
 	case OP_CONFIG_MODEL_SUB_DELETE:
-		status = mesh_model_sub_del(node, ele_addr, mod_id,
-							addr, virt, &grp);
+		status = mesh_model_sub_del(node, ele_addr, mod_id, addr, virt,
+									&grp);
 
 		if (status == MESH_STATUS_SUCCESS)
 			save_config_sub(node, ele_addr, mod_id, vendor, addr,
@@ -427,10 +422,7 @@ static void config_sub_set(struct mesh_node *node, uint16_t net_idx,
 		break;
 	}
 
-	if (!unreliable)
-		send_sub_status(node, net_idx, src, dst, status, ele_addr,
-								grp, mod_id);
-
+	send_sub_status(node, net_idx, src, dst, status, ele_addr, grp, mod_id);
 }
 
 static void send_model_app_status(struct mesh_node *node, uint16_t net_idx,
@@ -812,8 +804,7 @@ static bool cfg_srv_pkt(uint16_t src, uint16_t dst, uint16_t app_idx,
 			return true;
 
 		config_pub_set(node, net_idx, src, dst, pkt, virt,
-						size == 13 || size == 27,
-						!!(opcode & OP_UNRELIABLE));
+						size == 13 || size == 27);
 		break;
 
 	case OP_CONFIG_MODEL_PUB_GET:
diff --git a/mesh/model.h b/mesh/model.h
index f717fb0..0377d3f 100644
--- a/mesh/model.h
+++ b/mesh/model.h
@@ -19,8 +19,6 @@
 
 struct mesh_model;
 
-#define OP_UNRELIABLE			0x0100
-
 #define MAX_BINDINGS	10
 #define MAX_GRP_PER_MOD	10