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-rw-r--r--ext/socket/socket.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/ext/socket/socket.c b/ext/socket/socket.c
index 197c8e79e8..07b9b2b411 100644
--- a/ext/socket/socket.c
+++ b/ext/socket/socket.c
@@ -64,10 +64,6 @@ void SOCKSinit();
int Rconnect();
#endif
-#ifndef HAVE_STRDUP
-char *strdup();
-#endif
-
#define INET_CLIENT 0
#define INET_SERVER 1
#define INET_SOCKS 2