diff --git a/src/install.c b/src/install.c
index 70d4a8118..61c1fedab 100644
--- a/src/install.c
+++ b/src/install.c
@@ -72,8 +72,6 @@ gid_t getgid ();
 /* Number of bytes of a file to copy at a time. */
 #define READ_SIZE (32 * 1024)
 
-int stat ();
-
 static bool change_timestamps (const char *from, const char *to);
 static bool change_attributes (const char *path);
 static bool copy_file (const char *from, const char *to,