diff --git a/setup.py b/setup.py
index 243554c7a..79bdcba8d 100755
--- a/setup.py
+++ b/setup.py
@@ -30,7 +30,6 @@ MOD_NAMES = [
     "spacy.lexeme",
     "spacy.vocab",
     "spacy.attrs",
-    "spacy.kb.candidate",
     "spacy.kb.kb",
     "spacy.kb.kb_in_memory",
     "spacy.ml.parser_model",
diff --git a/spacy/kb/candidate.py b/spacy/kb/candidate.py
index b121974f8..190792fbe 100644
--- a/spacy/kb/candidate.py
+++ b/spacy/kb/candidate.py
@@ -47,11 +47,6 @@ class BaseCandidate(abc.ABC):
 class Candidate(BaseCandidate):
     """`Candidate` for InMemoryLookupKBCandidate."""
 
-    # todo
-    #  - glue together
-    #  - is candidate definition necessary for EL? as long as interface fulfills requirements, this shouldn't matter.
-    #    otherwise incorporate new argument.
-    #  - fix test failures (100% backwards-compatible should be possible after changing EntityLinker)
     def __init__(
         self,
         retrieve_string_from_hash: Callable[[int], str],
diff --git a/spacy/tests/pipeline/test_entity_linker.py b/spacy/tests/pipeline/test_entity_linker.py
index c4cd411bb..7ef155bfb 100644
--- a/spacy/tests/pipeline/test_entity_linker.py
+++ b/spacy/tests/pipeline/test_entity_linker.py
@@ -496,8 +496,6 @@ def test_el_pipe_configuration(nlp):
     doc = nlp(text)
     assert doc[0].ent_kb_id_ == "NIL"
     assert doc[1].ent_kb_id_ == ""
-    # todo It's unclear why EL doesn't learn properly for this test anymore (scores are 0). Seemed to work before, but
-    #  no relevant changes in EL code were made since these tests were added AFAIK (CG seems to work fine).
     assert doc[2].ent_kb_id_ in ("Q2", "Q3")
 
     # Replace the pipe with a new one with with a different candidate generator.