diff --git a/gfx/common/x11_common.c b/gfx/common/x11_common.c
index a481c586fd..97ed6cdaec 100644
--- a/gfx/common/x11_common.c
+++ b/gfx/common/x11_common.c
@@ -30,7 +30,7 @@ static Atom XA_NET_WM_STATE;
 static Atom XA_NET_WM_STATE_FULLSCREEN;
 static Atom XA_NET_MOVERESIZE_WINDOW;
 Atom g_x11_quit_atom;
-volatile sig_atomic_t g_x11_quit;
+static volatile sig_atomic_t g_x11_quit;
 bool g_x11_has_focus;
 Window   g_x11_win;
 XIC g_x11_xic;
diff --git a/gfx/common/x11_common.h b/gfx/common/x11_common.h
index 8d35680ebe..64d4f7a4fc 100644
--- a/gfx/common/x11_common.h
+++ b/gfx/common/x11_common.h
@@ -36,7 +36,6 @@
 #include "../video_context_driver.h"
 
 extern Atom g_x11_quit_atom;
-extern volatile sig_atomic_t g_x11_quit;
 extern bool g_x11_has_focus;
 extern Window   g_x11_win;
 extern XIC g_x11_xic;