diff --git a/doc/api/errors.md b/doc/api/errors.md
index 0b45cc54020094..fadc4142c2dd3a 100644
--- a/doc/api/errors.md
+++ b/doc/api/errors.md
@@ -1796,8 +1796,6 @@ time.
 
 ### `ERR_INPUT_TYPE_NOT_ALLOWED`
 
-> Stability: 1 - Experimental
-
 The `--input-type` flag was used to attempt to execute a file. This flag can
 only be used with input via `--eval`, `--print`, or `STDIN`.
 
@@ -3095,8 +3093,6 @@ An invalid or unknown encoding option was passed to an API.
 
 ### `ERR_UNKNOWN_FILE_EXTENSION`
 
-> Stability: 1 - Experimental
-
 An attempt was made to load a module with an unknown or unsupported file
 extension.
 
@@ -3104,8 +3100,6 @@ extension.
 
 ### `ERR_UNKNOWN_MODULE_FORMAT`
 
-> Stability: 1 - Experimental
-
 An attempt was made to load a module with an unknown or unsupported format.
 
 <a id="ERR_UNKNOWN_SIGNAL"></a>
@@ -3183,8 +3177,6 @@ transformation with [type-stripping][].
 
 ### `ERR_USE_AFTER_CLOSE`
 
-> Stability: 1 - Experimental
-
 An attempt was made to use something that was already closed.
 
 <a id="ERR_VALID_PERFORMANCE_ENTRY_TYPE"></a>