diff --git a/Modules/errnomodule.c b/Modules/errnomodule.c
index b78369c8574..aef671c1a8e 100644
--- a/Modules/errnomodule.c
+++ b/Modules/errnomodule.c
@@ -37,8 +37,6 @@ PERFORMANCE OF THIS SOFTWARE.
  * Pull in the system error definitions
  */ 
 
-#include <errno.h>
-
 static PyMethodDef errno_methods[] = {
   {NULL,	NULL}
 };