diff --git a/server/main-channel.c b/server/main-channel.c
index a1554197..24dd448c 100644
--- a/server/main-channel.c
+++ b/server/main-channel.c
@@ -306,16 +306,6 @@ MainChannelClient *main_channel_link(MainChannel *channel, RedClient *client,
     return mcc;
 }
 
-// TODO: ? shouldn't it disconnect all clients? or shutdown all main_channels?
-void main_channel_close(MainChannel *main_chan)
-{
-    int socketfd;
-
-    if (main_chan && (socketfd = red_channel_get_first_socket(RED_CHANNEL(main_chan))) != -1) {
-        close(socketfd);
-    }
-}
-
 MainChannel* main_channel_new(RedsState *reds)
 {
     // TODO: set the migration flag of the channel
diff --git a/server/main-channel.h b/server/main-channel.h
index 019cf995..b70649cd 100644
--- a/server/main-channel.h
+++ b/server/main-channel.h
@@ -61,7 +61,6 @@ RedClient *main_channel_get_client_by_link_id(MainChannel *main_chan, uint32_t l
 MainChannelClient *main_channel_link(MainChannel *, RedClient *client,
      RedsStream *stream, uint32_t link_id, int migration, int num_common_caps,
      uint32_t *common_caps, int num_caps, uint32_t *caps);
-void main_channel_close(MainChannel *main_chan); // not destroy, just socket close
 void main_channel_push_mouse_mode(MainChannel *main_chan, int current_mode, int is_client_mouse_allowed);
 void main_channel_push_agent_connected(MainChannel *main_chan);
 void main_channel_push_agent_disconnected(MainChannel *main_chan);