diff --git a/swh/web/api/views/content.py b/swh/web/api/views/content.py
--- a/swh/web/api/views/content.py
+++ b/swh/web/api/views/content.py
@@ -70,6 +70,8 @@
 
         Get information about the programming language used in a content object.
 
+        Note: this endpoint currently returns no data.
+
         :param string hash_type: optional parameter specifying which hashing algorithm has been used
             to compute the content checksum. It can be either ``sha1``, ``sha1_git``, ``sha256``
             or ``blake2s256``. If that parameter is not provided, it is assumed that the
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
@@ -50,6 +50,7 @@
             'sha1:%s.' % unknown_content['sha1']
         })
 
+    @pytest.mark.xfail  # Language indexer is disabled
     @given(content())
     def test_api_content_language(self, content):
 
diff --git a/swh/web/tests/common/test_service.py b/swh/web/tests/common/test_service.py
--- a/swh/web/tests/common/test_service.py
+++ b/swh/web/tests/common/test_service.py
@@ -125,6 +125,7 @@
         expected_filetype = self.content_get_mimetype(content['sha1'])
         self.assertEqual(actual_filetype, expected_filetype)
 
+    @pytest.mark.xfail  # Language indexer is disabled.
     @given(content())
     def test_lookup_content_language(self, content):
 
diff --git a/swh/web/tests/data.py b/swh/web/tests/data.py
--- a/swh/web/tests/data.py
+++ b/swh/web/tests/data.py
@@ -7,7 +7,6 @@
 import os
 import time
 
-from swh.indexer.language import LanguageIndexer
 from swh.indexer.fossology_license import FossologyLicenseIndexer
 from swh.indexer.mimetype import MimetypeIndexer
 from swh.indexer.ctags import CtagsIndexer
@@ -77,23 +76,6 @@
         }
 
 
-# LanguageIndexer with custom configuration for tests
-class _LanguageIndexer(LanguageIndexer):
-    def parse_config_file(self, *args, **kwargs):
-        return {
-            **_TEST_INDEXER_BASE_CONFIG,
-            'tools': {
-                'name': 'pygments',
-                'version': '2.0.1+dfsg-1.1+deb8u1',
-                'configuration': {
-                    'type': 'library',
-                    'debian-package': 'python3-pygments',
-                    'max_content_size': 10240,
-                }
-            }
-        }
-
-
 # FossologyLicenseIndexer with custom configuration for tests
 class _FossologyLicenseIndexer(FossologyLicenseIndexer):
     def parse_config_file(self, *args, **kwargs):
@@ -260,7 +242,6 @@
     # and force them to use the memory storages
     indexers = {}
     for idx_name, idx_class in (('mimetype_indexer', _MimetypeIndexer),
-                                ('language_indexer', _LanguageIndexer),
                                 ('license_indexer', _FossologyLicenseIndexer),
                                 ('ctags_indexer', _CtagsIndexer)):
         idx = idx_class()
diff --git a/swh/web/tests/testcase.py b/swh/web/tests/testcase.py
--- a/swh/web/tests/testcase.py
+++ b/swh/web/tests/testcase.py
@@ -39,7 +39,6 @@
         self.storage = tests_data['storage']
         self.idx_storage = tests_data['idx_storage']
         self.mimetype_indexer = tests_data['mimetype_indexer']
-        self.language_indexer = tests_data['language_indexer']
         self.license_indexer = tests_data['license_indexer']
         self.ctags_indexer = tests_data['ctags_indexer']
 
@@ -66,6 +65,7 @@
         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')