diff --git a/README.md b/README.md
index 30f2fe8..c615d7a 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,6 @@ Responds with an empty body and one of the HTTP codes.
 #### HTTP codes
 - `202` if solved
 - `403` if not solved
-- `404` if doesn't exist
 
 ### Check if captcha is solved
 
@@ -76,7 +75,6 @@ to be expired. E.g. when a visitor requests for a new CAPTCHA or leaving a page.
 #### HTTP codes
 - `204` if solved
 - `403` if not solved
-- `404` if doesn't exist
 
 ### Example of interaction