diff --git a/src/tcp.c b/src/tcp.c
index cc5b6a7..5876bfb 100644
--- a/src/tcp.c
+++ b/src/tcp.c
@@ -4,12 +4,7 @@
 \*=========================================================================*/
 #include "luasocket.h"
 
-#include "lua.h"
-#include "lauxlib.h"
-
-#include "compat.h"
 #include "auxiliar.h"
-
 #include "socket.h"
 #include "inet.h"
 #include "options.h"
@@ -129,7 +124,7 @@ static luaL_Reg func[] = {
 /*-------------------------------------------------------------------------*\
 * Initializes module
 \*-------------------------------------------------------------------------*/
-LUASOCKET_PRIVATE int tcp_open(lua_State *L)
+int tcp_open(lua_State *L)
 {
     /* create classes */
     auxiliar_newclass(L, "tcp{master}", tcp_methods);
diff --git a/src/tcp.h b/src/tcp.h
index eded620..9b12b53 100644
--- a/src/tcp.h
+++ b/src/tcp.h
@@ -14,7 +14,7 @@
 * tcp objects either connected to some address or returned by the accept
 * method of a server object.
 \*=========================================================================*/
-#include "lua.h"
+#include "luasocket.h"
 
 #include "buffer.h"
 #include "timeout.h"
@@ -30,6 +30,10 @@ typedef struct t_tcp_ {
 
 typedef t_tcp *p_tcp;
 
+#pragma GCC visibility push(hidden)
+
 int tcp_open(lua_State *L);
 
+#pragma GCC visibility pop
+
 #endif /* TCP_H */