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-rw-r--r--ext/socket/extconf.rb1
1 files changed, 0 insertions, 1 deletions
diff --git a/ext/socket/extconf.rb b/ext/socket/extconf.rb
index 467c052a851..6975994ef8b 100644
--- a/ext/socket/extconf.rb
+++ b/ext/socket/extconf.rb
@@ -148,7 +148,6 @@ EOF
$CFLAGS="-DHAVE_SA_LEN "+$CFLAGS
end
-have_header("sys/sysctl.h")
have_header("netinet/tcp.h")
have_header("netinet/udp.h")