diff --git a/swh/web/common/archive.py b/swh/web/common/archive.py
--- a/swh/web/common/archive.py
+++ b/swh/web/common/archive.py
@@ -186,7 +186,10 @@
 
 
 def lookup_content_language(q):
-    """Return language information from a specified content.
+    """Always returns None.
+
+    This used to return language information from a specified content,
+    but this is currently disabled.
 
     Args:
         q: query string of the form <hash_algo:hash>
@@ -195,13 +198,7 @@
         language information (dict) list if the content is found.
 
     """
-    sha1 = _lookup_content_sha1(q)
-    if not sha1:
-        return None
-    lang = _first_element(list(idx_storage.content_language_get([sha1])))
-    if not lang:
-        return None
-    return converters.from_swh(lang, hashess={"id"})
+    return None
 
 
 def lookup_content_license(q):
diff --git a/swh/web/tests/api/views/test_content.py b/swh/web/tests/api/views/test_content.py
--- a/swh/web/tests/api/views/test_content.py
+++ b/swh/web/tests/api/views/test_content.py
@@ -50,25 +50,6 @@
     }
 
 
-@pytest.mark.skip  # Language indexer is disabled
-@given(content())
-def test_api_content_language(api_client, indexer_data, content):
-    indexer_data.content_add_language(content["sha1"])
-    url = reverse(
-        "api-1-content-language", url_args={"q": "sha1_git:%s" % content["sha1_git"]}
-    )
-    rv = check_api_get_responses(api_client, url, status_code=200)
-
-    content_url = reverse(
-        "api-1-content",
-        url_args={"q": "sha1:%s" % content["sha1"]},
-        request=rv.wsgi_request,
-    )
-    expected_data = indexer_data.content_get_language(content["sha1"])
-    expected_data["content_url"] = content_url
-    assert rv.data == expected_data
-
-
 def test_api_content_language_sha_not_found(api_client):
     unknown_content_ = random_content()
 
diff --git a/swh/web/tests/common/test_archive.py b/swh/web/tests/common/test_archive.py
--- a/swh/web/tests/common/test_archive.py
+++ b/swh/web/tests/common/test_archive.py
@@ -142,16 +142,6 @@
     assert actual_filetype == expected_filetype
 
 
-@pytest.mark.skip  # Language indexer is disabled.
-@given(content())
-def test_lookup_content_language(indexer_data, content):
-    indexer_data.content_add_language(content["sha1"])
-    actual_language = archive.lookup_content_language(content["sha1"])
-
-    expected_language = indexer_data.content_get_language(content["sha1"])
-    assert actual_language == expected_language
-
-
 @given(contents_with_ctags())
 def test_lookup_expression(indexer_data, contents_with_ctags):
     per_page = 10
diff --git a/swh/web/tests/conftest.py b/swh/web/tests/conftest.py
--- a/swh/web/tests/conftest.py
+++ b/swh/web/tests/conftest.py
@@ -335,14 +335,6 @@
         ].to_dict()
         return converters.from_filetype(mimetype)
 
-    def content_add_language(self, cnt_id):
-        raise NotImplementedError("Language indexer is disabled.")
-        self.language_indexer.run([hash_to_bytes(cnt_id)], "update-dups")
-
-    def content_get_language(self, cnt_id):
-        lang = next(self.idx_storage.content_language_get([hash_to_bytes(cnt_id)]))
-        return converters.from_swh(lang, hashess={"id"})
-
     def content_add_license(self, cnt_id):
         self.license_indexer.run([hash_to_bytes(cnt_id)], "update-dups")