diff --git a/qapi/net.json b/qapi/net.json
index 728990f4fb..4c96137811 100644
--- a/qapi/net.json
+++ b/qapi/net.json
@@ -723,8 +723,6 @@
 # Trigger generation of broadcast RARP frames to update network switches.
 # This can be useful when network bonds fail-over the active slave.
 #
-# @params: AnnounceParameters giving timing and repetition count of announce
-#
 # Example:
 #
 # -> { "execute": "announce-self",
diff --git a/scripts/qapi/doc.py b/scripts/qapi/doc.py
index c8c4bda153..6f1c17f71f 100644
--- a/scripts/qapi/doc.py
+++ b/scripts/qapi/doc.py
@@ -185,6 +185,7 @@ def texi_members(doc, what, base=None, variants=None,
 
 def texi_arguments(doc, boxed_arg_type):
     if boxed_arg_type:
+        assert not doc.args
         return ('\n@b{Arguments:} the members of @code{%s}\n'
                 % boxed_arg_type.name)
     return texi_members(doc, 'Arguments')
diff --git a/scripts/qapi/schema.py b/scripts/qapi/schema.py
index c16dce1fe0..06e37c9c49 100644
--- a/scripts/qapi/schema.py
+++ b/scripts/qapi/schema.py
@@ -739,6 +739,16 @@ class QAPISchemaCommand(QAPISchemaEntity):
         for f in self.features:
             f.check_clash(self.info, seen)
 
+    def connect_doc(self, doc=None):
+        doc = doc or self.doc
+        if doc:
+            if self.arg_type and self.arg_type.is_implicit():
+                self.arg_type.connect_doc(doc)
+
+    def check_doc(self):
+        if self.doc:
+            self.doc.check()
+
     def visit(self, visitor):
         QAPISchemaEntity.visit(self, visitor)
         visitor.visit_command(self.name, self.info, self.ifcond,
@@ -775,6 +785,16 @@ class QAPISchemaEvent(QAPISchemaEntity):
                     "event's 'data' can take %s only with 'boxed': true"
                     % self.arg_type.describe())
 
+    def connect_doc(self, doc=None):
+        doc = doc or self.doc
+        if doc:
+            if self.arg_type and self.arg_type.is_implicit():
+                self.arg_type.connect_doc(doc)
+
+    def check_doc(self):
+        if self.doc:
+            self.doc.check()
+
     def visit(self, visitor):
         QAPISchemaEntity.visit(self, visitor)
         visitor.visit_event(self.name, self.info, self.ifcond,
@@ -1026,7 +1046,7 @@ class QAPISchema(object):
         features = expr.get('features', [])
         if isinstance(data, OrderedDict):
             data = self._make_implicit_object_type(
-                name, info, doc, ifcond, 'arg', self._make_members(data, info))
+                name, info, None, ifcond, 'arg', self._make_members(data, info))
         if isinstance(rets, list):
             assert len(rets) == 1
             rets = self._make_array_type(rets[0], info)
@@ -1042,7 +1062,7 @@ class QAPISchema(object):
         ifcond = expr.get('if')
         if isinstance(data, OrderedDict):
             data = self._make_implicit_object_type(
-                name, info, doc, ifcond, 'arg', self._make_members(data, info))
+                name, info, None, ifcond, 'arg', self._make_members(data, info))
         self._def_entity(QAPISchemaEvent(name, info, doc, ifcond, data, boxed))
 
     def _def_exprs(self, exprs):
diff --git a/tests/qapi-schema/doc-bad-boxed-command-arg.err b/tests/qapi-schema/doc-bad-boxed-command-arg.err
index e69de29bb2..e1101b1667 100644
--- a/tests/qapi-schema/doc-bad-boxed-command-arg.err
+++ b/tests/qapi-schema/doc-bad-boxed-command-arg.err
@@ -0,0 +1 @@
+doc-bad-boxed-command-arg.json:9: the following documented members are not in the declaration: a
diff --git a/tests/qapi-schema/doc-bad-boxed-command-arg.json b/tests/qapi-schema/doc-bad-boxed-command-arg.json
index 2c265d2ca3..bd143241ec 100644
--- a/tests/qapi-schema/doc-bad-boxed-command-arg.json
+++ b/tests/qapi-schema/doc-bad-boxed-command-arg.json
@@ -1,5 +1,4 @@
 # Boxed arguments are not to be documented with the command
-# BUG: not rejected
 
 ##
 # @Args:
diff --git a/tests/qapi-schema/doc-bad-boxed-command-arg.out b/tests/qapi-schema/doc-bad-boxed-command-arg.out
index 4ccd788253..e69de29bb2 100644
--- a/tests/qapi-schema/doc-bad-boxed-command-arg.out
+++ b/tests/qapi-schema/doc-bad-boxed-command-arg.out
@@ -1,26 +0,0 @@
-module None
-object q_empty
-enum QType
-    prefix QTYPE
-    member none
-    member qnull
-    member qnum
-    member qstring
-    member qdict
-    member qlist
-    member qbool
-module doc-bad-boxed-command-arg.json
-object Args
-    member a: int optional=False
-command cmd-boxed Args -> None
-    gen=True success_response=True boxed=True oob=False preconfig=False
-doc symbol=Args
-    body=
-
-    arg=a
-an argument
-doc symbol=cmd-boxed
-    body=
-
-    arg=a
-bogus
diff --git a/tests/qapi-schema/doc-bad-event-arg.err b/tests/qapi-schema/doc-bad-event-arg.err
index e69de29bb2..114ff4a3c7 100644
--- a/tests/qapi-schema/doc-bad-event-arg.err
+++ b/tests/qapi-schema/doc-bad-event-arg.err
@@ -0,0 +1 @@
+doc-bad-event-arg.json:3: the following documented members are not in the declaration: a
diff --git a/tests/qapi-schema/doc-bad-event-arg.json b/tests/qapi-schema/doc-bad-event-arg.json
index 80d4e1240b..23c83cc81f 100644
--- a/tests/qapi-schema/doc-bad-event-arg.json
+++ b/tests/qapi-schema/doc-bad-event-arg.json
@@ -1,5 +1,4 @@
 # Arguments listed in the doc comment must exist in the actual schema
-# BUG: nonexistent @a is not rejected
 
 ##
 # @FOO:
diff --git a/tests/qapi-schema/doc-bad-event-arg.out b/tests/qapi-schema/doc-bad-event-arg.out
index ad0367cd45..e69de29bb2 100644
--- a/tests/qapi-schema/doc-bad-event-arg.out
+++ b/tests/qapi-schema/doc-bad-event-arg.out
@@ -1,19 +0,0 @@
-module None
-object q_empty
-enum QType
-    prefix QTYPE
-    member none
-    member qnull
-    member qnum
-    member qstring
-    member qdict
-    member qlist
-    member qbool
-module doc-bad-event-arg.json
-event FOO None
-    boxed=False
-doc symbol=FOO
-    body=
-
-    arg=a
-a