diff --git a/src/bindings/mono/eldbus_mono/eldbus_connection.cs b/src/bindings/mono/eldbus_mono/eldbus_connection.cs
--- a/src/bindings/mono/eldbus_mono/eldbus_connection.cs
+++ b/src/bindings/mono/eldbus_mono/eldbus_connection.cs
@@ -25,7 +25,7 @@
 {
 
 [EditorBrowsable(EditorBrowsableState.Never)]
-public static class EldbusConnectionNativeFunctions
+internal static class EldbusConnectionNativeFunctions
 {
     [DllImport(efl.Libs.Eldbus)] public static extern IntPtr
         eldbus_connection_get(eldbus.Connection.Type type);
diff --git a/src/bindings/mono/eldbus_mono/eldbus_message.cs b/src/bindings/mono/eldbus_mono/eldbus_message.cs
--- a/src/bindings/mono/eldbus_mono/eldbus_message.cs
+++ b/src/bindings/mono/eldbus_mono/eldbus_message.cs
@@ -25,7 +25,7 @@
 {
 
 [EditorBrowsable(EditorBrowsableState.Never)]
-public static class EldbusMessageNativeFunctions
+internal static class EldbusMessageNativeFunctions
 {
     [DllImport(efl.Libs.Eldbus)] public static extern IntPtr
         eldbus_message_ref(IntPtr msg);
diff --git a/src/bindings/mono/eldbus_mono/eldbus_object.cs b/src/bindings/mono/eldbus_mono/eldbus_object.cs
--- a/src/bindings/mono/eldbus_mono/eldbus_object.cs
+++ b/src/bindings/mono/eldbus_mono/eldbus_object.cs
@@ -27,7 +27,7 @@
 {
 
 [EditorBrowsable(EditorBrowsableState.Never)]
-public static class EldbusObjectNativeFunctions
+internal static class EldbusObjectNativeFunctions
 {
     [DllImport(efl.Libs.Eldbus)] public static extern IntPtr
         eldbus_object_get(IntPtr conn, string bus, string path);
diff --git a/src/bindings/mono/eldbus_mono/eldbus_pending.cs b/src/bindings/mono/eldbus_mono/eldbus_pending.cs
--- a/src/bindings/mono/eldbus_mono/eldbus_pending.cs
+++ b/src/bindings/mono/eldbus_mono/eldbus_pending.cs
@@ -25,7 +25,7 @@
 {
 
 [EditorBrowsable(EditorBrowsableState.Never)]
-public static class EldbusPendingNativeFunctions
+internal static class EldbusPendingNativeFunctions
 {
     [DllImport(efl.Libs.Eldbus)] public static extern void
         eldbus_pending_data_set(IntPtr pending, string key, IntPtr data);
diff --git a/src/bindings/mono/eldbus_mono/eldbus_proxy.cs b/src/bindings/mono/eldbus_mono/eldbus_proxy.cs
--- a/src/bindings/mono/eldbus_mono/eldbus_proxy.cs
+++ b/src/bindings/mono/eldbus_mono/eldbus_proxy.cs
@@ -25,7 +25,7 @@
 {
 
 [EditorBrowsable(EditorBrowsableState.Never)]    
-public static class EldbusProxyNativeFunctions
+internal static class EldbusProxyNativeFunctions
 {
     [DllImport(efl.Libs.Eldbus)] public static extern IntPtr
         eldbus_proxy_get(IntPtr obj, string _interface);
diff --git a/src/bindings/mono/eldbus_mono/eldbus_service.cs b/src/bindings/mono/eldbus_mono/eldbus_service.cs
--- a/src/bindings/mono/eldbus_mono/eldbus_service.cs
+++ b/src/bindings/mono/eldbus_mono/eldbus_service.cs
@@ -25,7 +25,7 @@
 {
 
 [EditorBrowsable(EditorBrowsableState.Never)]
-public static class EldbusServiceNativeFunctions
+internal static class EldbusServiceNativeFunctions
 {
     [DllImport(efl.Libs.Eldbus)] public static extern IntPtr
         eldbus_service_interface_register(IntPtr conn, string path, IntPtr desc);