diff --git a/sys/src/libc/port/crypt.c b/sys/src/libc/port/crypt.c
index 0524c9422..b5518419c 100644
--- a/sys/src/libc/port/crypt.c
+++ b/sys/src/libc/port/crypt.c
@@ -9,7 +9,6 @@
  */
 #include <u.h>
 #include <libc.h>
-#include <auth.h>
 #include <libsec.h>
 
 /*
diff --git a/sys/src/libc/port/netcrypt.c b/sys/src/libc/port/netcrypt.c
index 08fa6761c..d0b637269 100644
--- a/sys/src/libc/port/netcrypt.c
+++ b/sys/src/libc/port/netcrypt.c
@@ -1,6 +1,5 @@
 #include <u.h>
 #include <libc.h>
-#include <auth.h>
 
 int
 netcrypt(void *key, void *chal)