diff --git a/userspace/libsinsp/ifinfo.h b/userspace/libsinsp/ifinfo.h
index c861273013..b0675d53fc 100644
--- a/userspace/libsinsp/ifinfo.h
+++ b/userspace/libsinsp/ifinfo.h
@@ -26,10 +26,6 @@ limitations under the License.
 #include <string>
 #include <vector>
 
-#ifndef VISIBILITY_PRIVATE
-#define VISIBILITY_PRIVATE private:
-#endif
-
 typedef struct scap_addrlist scap_addrlist;
 typedef struct scap_ifinfo_ipv4 scap_ifinfo_ipv4;
 typedef struct scap_ifinfo_ipv6 scap_ifinfo_ipv6;
@@ -85,13 +81,13 @@ class SINSP_PUBLIC sinsp_network_interfaces
 	std::vector<sinsp_ipv6_ifinfo>* get_ipv6_list();
 	inline void clear();
 
-	ipv6addr m_ipv6_loopback_addr;
-
-VISIBILITY_PRIVATE
 	uint32_t infer_ipv4_address(uint32_t destination_address);
 	void import_ipv4_ifaddr_list(uint32_t count, scap_ifinfo_ipv4* plist);
 	ipv6addr infer_ipv6_address(ipv6addr &destination_address);
 	void import_ipv6_ifaddr_list(uint32_t count, scap_ifinfo_ipv6* plist);
+
+private:
+	ipv6addr m_ipv6_loopback_addr;
 	std::vector<sinsp_ipv4_ifinfo> m_ipv4_interfaces;
 	std::vector<sinsp_ipv6_ifinfo> m_ipv6_interfaces;
 };
diff --git a/userspace/libsinsp/test/ifinfo.ut.cpp b/userspace/libsinsp/test/ifinfo.ut.cpp
index ebe754e316..9aa8695c32 100644
--- a/userspace/libsinsp/test/ifinfo.ut.cpp
+++ b/userspace/libsinsp/test/ifinfo.ut.cpp
@@ -16,8 +16,6 @@ limitations under the License.
 
 */
 
-#define VISIBILITY_PRIVATE
-
 #include <libsinsp/sinsp.h>
 #include <libsinsp/sinsp_int.h>
 #include <libsinsp/ifinfo.h>
@@ -105,8 +103,8 @@ TEST(sinsp_network_interfaces, sip_and_dip_are_not_zero)
 TEST(sinsp_network_interfaces, infer_finds_exact_match)
 {
 	sinsp_network_interfaces interfaces;
-	interfaces.m_ipv4_interfaces.push_back(make_ipv4_localhost());
-	interfaces.m_ipv4_interfaces.push_back(make_ipv4_interface("192.168.22.149", "255.255.255.0", "192.168.22.255", "eth0"));
+	interfaces.get_ipv4_list()->push_back(make_ipv4_localhost());
+	interfaces.get_ipv4_list()->push_back(make_ipv4_interface("192.168.22.149", "255.255.255.0", "192.168.22.255", "eth0"));
 	EXPECT_ADDR_EQ("127.0.0.1",interfaces.infer_ipv4_address(parse_ipv4_addr("127.0.0.1")));
 	EXPECT_ADDR_EQ("192.168.22.149",interfaces.infer_ipv4_address(parse_ipv4_addr("192.168.22.149")));
 }
@@ -114,16 +112,16 @@ TEST(sinsp_network_interfaces, infer_finds_exact_match)
 TEST(sinsp_network_interfaces, infer_finds_same_subnet)
 {
 	sinsp_network_interfaces interfaces;
-	interfaces.m_ipv4_interfaces.push_back(make_ipv4_localhost());
-	interfaces.m_ipv4_interfaces.push_back(make_ipv4_interface("192.168.22.149", "255.255.255.0", "192.168.22.255", "eth0"));
+	interfaces.get_ipv4_list()->push_back(make_ipv4_localhost());
+	interfaces.get_ipv4_list()->push_back(make_ipv4_interface("192.168.22.149", "255.255.255.0", "192.168.22.255", "eth0"));
 	EXPECT_ADDR_EQ("192.168.22.149",interfaces.infer_ipv4_address(parse_ipv4_addr("192.168.22.11")));
 }
 
 TEST(sinsp_network_interfaces, infer_defaults_to_first_non_loopback)
 {
 	sinsp_network_interfaces interfaces;
-	interfaces.m_ipv4_interfaces.push_back(make_ipv4_localhost());
-	interfaces.m_ipv4_interfaces.push_back(make_ipv4_interface("192.168.22.149", "255.255.255.0", "192.168.22.255", "eth0"));
-	interfaces.m_ipv4_interfaces.push_back(make_ipv4_interface("192.168.22.150", "255.255.255.0", "192.168.22.255", "eth1"));
+	interfaces.get_ipv4_list()->push_back(make_ipv4_localhost());
+	interfaces.get_ipv4_list()->push_back(make_ipv4_interface("192.168.22.149", "255.255.255.0", "192.168.22.255", "eth0"));
+	interfaces.get_ipv4_list()->push_back(make_ipv4_interface("192.168.22.150", "255.255.255.0", "192.168.22.255", "eth1"));
 	EXPECT_ADDR_EQ("192.168.22.149",interfaces.infer_ipv4_address(parse_ipv4_addr("193.168.22.11")));
 }