diff --git a/sphinx/ext/autosummary/__init__.py b/sphinx/ext/autosummary/__init__.py
index ed49c56df..0cdd88feb 100644
--- a/sphinx/ext/autosummary/__init__.py
+++ b/sphinx/ext/autosummary/__init__.py
@@ -302,8 +302,7 @@ class Autosummary(SphinxDirective):
                 with mock(self.config.autosummary_mock_imports):
                     real_name, obj, parent, modname = import_by_name(name, prefixes=prefixes)
             except ImportError:
-                logger.warning(__('failed to import %s'), name)
-                items.append((name, '', '', name))
+                logger.warning(__('autosummary: failed to import %s'), name)
                 continue
 
             self.bridge.result = StringList()  # initialize for each documenter
diff --git a/tests/test_ext_autosummary.py b/tests/test_ext_autosummary.py
index 365a5a53c..aa075a9e6 100644
--- a/tests/test_ext_autosummary.py
+++ b/tests/test_ext_autosummary.py
@@ -203,17 +203,16 @@ def test_autosummary_generate(app, status, warning):
                 [autosummary_table, nodes.table, nodes.tgroup, (nodes.colspec,
                                                                 nodes.colspec,
                                                                 [nodes.tbody, (nodes.row,
-                                                                               nodes.row,
                                                                                nodes.row,
                                                                                nodes.row,
                                                                                nodes.row)])])
     assert_node(doctree[4][0], addnodes.toctree, caption="An autosummary")
 
+    assert len(doctree[3][0][0][2]) == 4
     assert doctree[3][0][0][2][0].astext() == 'autosummary_dummy_module\n\n'
     assert doctree[3][0][0][2][1].astext() == 'autosummary_dummy_module.Foo()\n\n'
     assert doctree[3][0][0][2][2].astext() == 'autosummary_dummy_module.Foo.Bar\n\n'
     assert doctree[3][0][0][2][3].astext() == 'autosummary_dummy_module.bar(x[, y])\n\n'
-    assert doctree[3][0][0][2][4].astext() == 'autosummary_importfail\n\n'
 
     module = (app.srcdir / 'generated' / 'autosummary_dummy_module.rst').read_text()
     assert ('   .. autosummary::\n'
@@ -397,7 +396,7 @@ def test_autosummary_template(app):
                     confoverrides={'autosummary_generate': []})
 def test_empty_autosummary_generate(app, status, warning):
     app.build()
-    assert ("WARNING: autosummary: stub file not found 'autosummary_importfail'"
+    assert ("WARNING: autosummary: failed to import autosummary_importfail"
             in warning.getvalue())