diff --git a/panda/src/tiff/tif_unix.c b/panda/src/tiff/tif_unix.c
index 0be2918630..644943d99a 100644
--- a/panda/src/tiff/tif_unix.c
+++ b/panda/src/tiff/tif_unix.c
@@ -30,9 +30,6 @@ static char rcsid[] = "$Header$";
  * TIFF Library UNIX-specific Routines.
  */
 #include "tiffiop.h"
-#ifndef PENV_WIN32
-#include <unistd.h>
-#endif
 #include <stdlib.h>
 
 static tsize_t