Remove non-standard error.h
diff --git a/libraries/persistent.mode.main.c b/libraries/persistent.mode.main.c
index 6215a80..9149ddf 100644
--- a/libraries/persistent.mode.main.c
+++ b/libraries/persistent.mode.main.c
@@ -1,5 +1,4 @@
 #include <errno.h>
-#include <error.h>
 #include <fcntl.h>
 #include <limits.h>
 #include <stdbool.h>