diff --git a/sudo.c b/sudo.c
index a49eca3e4..49cae6b75 100644
--- a/sudo.c
+++ b/sudo.c
@@ -48,7 +48,6 @@
 #ifdef hpux
 #include <unistd.h>
 #endif
-#include <errno.h>
 #include <string.h>
 #include <strings.h>
 #include <pwd.h>