diff --git a/docs/sphinx/qapidoc.py b/docs/sphinx/qapidoc.py
index 658c288f8fe9b674e8c7230053658f44934145e5..3d19853444247613e59447033dca89a27ac38efe 100644
--- a/docs/sphinx/qapidoc.py
+++ b/docs/sphinx/qapidoc.py
@@ -229,15 +229,15 @@ def _nodes_for_enum_values(self, doc):
         section += dlnode
         return [section]
 
-    def _nodes_for_arguments(self, doc, boxed_arg_type):
+    def _nodes_for_arguments(self, doc, arg_type):
         """Return list of doctree nodes for the arguments section"""
-        if boxed_arg_type:
+        if arg_type and not arg_type.is_implicit():
             assert not doc.args
             section = self._make_section('Arguments')
             dlnode = nodes.definition_list()
             dlnode += self._make_dlitem(
                 [nodes.Text('The members of '),
-                 nodes.literal('', boxed_arg_type.name)],
+                 nodes.literal('', arg_type.name)],
                 None)
             section += dlnode
             return [section]
@@ -341,8 +341,7 @@ def visit_command(self, name, info, ifcond, features, arg_type,
                       allow_preconfig, coroutine):
         doc = self._cur_doc
         self._add_doc('Command',
-                      self._nodes_for_arguments(doc,
-                                                arg_type if boxed else None)
+                      self._nodes_for_arguments(doc, arg_type)
                       + self._nodes_for_features(doc)
                       + self._nodes_for_sections(doc)
                       + self._nodes_for_if_section(ifcond))
@@ -350,8 +349,7 @@ def visit_command(self, name, info, ifcond, features, arg_type,
     def visit_event(self, name, info, ifcond, features, arg_type, boxed):
         doc = self._cur_doc
         self._add_doc('Event',
-                      self._nodes_for_arguments(doc,
-                                                arg_type if boxed else None)
+                      self._nodes_for_arguments(doc, arg_type)
                       + self._nodes_for_features(doc)
                       + self._nodes_for_sections(doc)
                       + self._nodes_for_if_section(ifcond))
diff --git a/qapi/block-core.json b/qapi/block-core.json
index ded6f0f6d23d4f8d7c17f80ceb530d0bf570c159..0fa184698a1f2ef08448d9bd1c615233e45176fc 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1662,8 +1662,6 @@
 #
 # Takes a synchronous snapshot of a block device.
 #
-# For the arguments, see the documentation of BlockdevSnapshotSync.
-#
 # Returns:
 #     - nothing on success
 #     - If @device is not a valid block device, DeviceNotFound
@@ -1693,8 +1691,6 @@
 # device, the block device changes to using 'overlay' as its new
 # active image.
 #
-# For the arguments, see the documentation of BlockdevSnapshot.
-#
 # Features:
 #
 # @allow-write-only-overlay: If present, the check whether this
@@ -6037,9 +6033,6 @@
 # string, or a snapshot with name already exists, the operation will
 # fail.
 #
-# For the arguments, see the documentation of
-# BlockdevSnapshotInternal.
-#
 # Returns:
 #     - nothing on success
 #     - If @device is not a valid block device, GenericError