diff --git a/esp8266/mpconfigport.h b/esp8266/mpconfigport.h
index d40eaba91b169403057eaca40ab7a6ea26a663c5..b25bb8bb4515060bd8da8daf29cf8d67e1beb704 100644
--- a/esp8266/mpconfigport.h
+++ b/esp8266/mpconfigport.h
@@ -180,7 +180,6 @@ extern const struct _mp_obj_module_t onewire_module;
 
 #define MICROPY_PORT_ROOT_POINTERS \
     const char *readline_hist[8]; \
-    vstr_t *repl_line; \
     mp_obj_t pin_irq_handler[16]; \
 
 // We need to provide a declaration/definition of alloca()