diff --git a/dbus/controller.c b/dbus/controller.c
index 15afe65a..002e3cf5 100644
--- a/dbus/controller.c
+++ b/dbus/controller.c
@@ -42,6 +42,7 @@ struct jack_dbus_interface_descriptor * g_jackcontroller_interfaces[] =
     NULL
 };
 
+static
 jackctl_driver_t *
 jack_controller_find_driver(
     jackctl_server_t *server,
@@ -114,6 +115,7 @@ jack_controller_remove_slave_drivers(
     }
 }
 
+static
 jackctl_internal_t *
 jack_controller_find_internal(
     jackctl_server_t *server,
@@ -136,24 +138,6 @@ jack_controller_find_internal(
     return NULL;
 }
 
-jackctl_parameter_t *
-jack_controller_find_parameter(
-    const JSList * parameters_list,
-    const char * parameter_name)
-{
-    while (parameters_list)
-    {
-        if (strcmp(jackctl_parameter_get_name((jackctl_parameter_t *)parameters_list->data), parameter_name) == 0)
-        {
-            return parameters_list->data;
-        }
-
-        parameters_list = jack_slist_next(parameters_list);
-    }
-
-    return NULL;
-}
-
 bool
 jack_controller_select_driver(
     struct jack_controller * controller_ptr,
diff --git a/dbus/controller_internal.h b/dbus/controller_internal.h
index ae247c39..e01b2c09 100644
--- a/dbus/controller_internal.h
+++ b/dbus/controller_internal.h
@@ -59,21 +59,6 @@ struct jack_controller
     "You probably don't want to edit this because\n"        \
     "it will be overwritten next time jackdbus saves.\n"
 
-jackctl_driver_t *
-jack_controller_find_driver(
-    jackctl_server_t *server,
-    const char *driver_name);
-    
-jackctl_internal_t *
-jack_controller_find_internal(
-    jackctl_server_t *server,
-    const char *internal_name);
-
-jackctl_parameter_t *
-jack_controller_find_parameter(
-    const JSList *parameters_list,
-    const char *parameter_name);
-
 bool
 jack_controller_start_server(
     struct jack_controller *controller_ptr,