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-rw-r--r--src/systty.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/src/systty.h b/src/systty.h
index 03a9db293a5..f6794191aa9 100644
--- a/src/systty.h
+++ b/src/systty.h
@@ -37,9 +37,7 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#include <sys/pty.h>
#endif /* AIX */
-#ifdef HAVE_UNISTD_H
#include <unistd.h>
-#endif
/* Special cases - inhibiting the use of certain features. */