1 files changed, 2 insertions, 3 deletions
diff --git a/sphinx/ext/linkcode.py b/sphinx/ext/linkcode.py
index f13ba7277..c9f36cfbe 100644
--- a/sphinx/ext/linkcode.py
+++ b/sphinx/ext/linkcode.py
@@ -20,7 +20,6 @@ if False:
     # For type annotation
     from typing import Any, Dict, Set  # NOQA
     from sphinx.application import Sphinx  # NOQA
-    from sphinx.util.typing import unicode  # NOQA
 
 
 class LinkcodeError(SphinxError):
@@ -45,7 +44,7 @@ def doctree_read(app, doctree):
 
     for objnode in doctree.traverse(addnodes.desc):
         domain = objnode.get('domain')
-        uris = set()  # type: Set[unicode]
+        uris = set()  # type: Set[str]
         for signode in objnode:
             if not isinstance(signode, addnodes.desc_signature):
                 continue
@@ -78,7 +77,7 @@ def doctree_read(app, doctree):
 
 
 def setup(app):
-    # type: (Sphinx) -> Dict[unicode, Any]
+    # type: (Sphinx) -> Dict[str, Any]
     app.connect('doctree-read', doctree_read)
     app.add_config_value('linkcode_resolve', None, '')
     return {'version': sphinx.__display_version__, 'parallel_read_safe': True}