diff --git a/clap_derive/src/item.rs b/clap_derive/src/item.rs
index 8b60b1f8428..68af9d62836 100644
--- a/clap_derive/src/item.rs
+++ b/clap_derive/src/item.rs
@@ -143,7 +143,7 @@ impl Item {
         let parsed_attrs = ClapAttr::parse_all(&variant.attrs);
         res.infer_kind(&parsed_attrs);
         res.push_attrs(&parsed_attrs);
-        if matches!(&*res.kind, Kind::Command(_)) {
+        if matches!(&*res.kind, Kind::Command(_) | Kind::Subcommand(_)) {
             res.push_doc_comment(&variant.attrs, "about", true);
         }
 
@@ -155,6 +155,9 @@ impl Item {
                         "methods are not allowed for flattened entry"
                     );
                 }
+
+                // ignore doc comments
+                res.doc_comment = vec![];
             }
 
             Kind::Subcommand(_)
@@ -228,6 +231,9 @@ impl Item {
                         "methods are not allowed for flattened entry"
                     );
                 }
+
+                // ignore doc comments
+                res.doc_comment = vec![];
             }
 
             Kind::Subcommand(_) => {
diff --git a/tests/derive/doc_comments_help.rs b/tests/derive/doc_comments_help.rs
index f655859e31e..d6d3db3d0a9 100644
--- a/tests/derive/doc_comments_help.rs
+++ b/tests/derive/doc_comments_help.rs
@@ -268,7 +268,7 @@ fn respect_subcommand_doc_comment() {
 Usage: cmd <COMMAND>
 
 Commands:
-  child  
+  child  For child
   help   Print this message or the help of the given subcommand(s)
 
 Options: