1 files changed, 0 insertions, 5 deletions

diff --git a/src/alloc.c b/src/alloc.c
index d7006ca6bfd..6c92f36ca7d 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -271,16 +271,11 @@ Lisp_Object Qpost_gc_hook;
 static void mark_buffer (Lisp_Object);
 static void mark_terminals (void);
 extern void mark_kboards (void);
-extern void mark_ttys (void);
 extern void mark_backtrace (void);
 static void gc_sweep (void);
 static void mark_glyph_matrix (struct glyph_matrix *);
 static void mark_face_cache (struct face_cache *);
 
-#ifdef HAVE_WINDOW_SYSTEM
-extern void mark_fringe_data (void);
-#endif /* HAVE_WINDOW_SYSTEM */
-
 static struct Lisp_String *allocate_string (void);
 static void compact_small_strings (void);
 static void free_large_strings (void);