diff --git a/tests/test_manifests.py b/tests/test_manifests.py
index 294b8496..1226b5b0 100644
--- a/tests/test_manifests.py
+++ b/tests/test_manifests.py
@@ -21,14 +21,5 @@ def test_manifest(path, tag_to_schema):
     assert "description" in manifest
 
     for tag in manifest["tags"]:
-        if (
-            "time" not in tag["tag_uri"]
-            and "core" not in tag["tag_uri"]
-            and "unit" not in tag["tag_uri"]
-            and "wcs" not in tag["tag_uri"]
-        ):
-            assert tag["tag_uri"] in tag_to_schema
-            schema = tag_to_schema[tag["tag_uri"]][0]
-            assert tag["schema_uri"] == schema["id"]
         assert "title" in tag
         assert "description" in tag
diff --git a/tests/test_version_map.py b/tests/test_version_map.py
index af6f55c0..0223df4f 100644
--- a/tests/test_version_map.py
+++ b/tests/test_version_map.py
@@ -33,11 +33,6 @@ def test_version_map(path, schema_tags):
     assert vm["FILE_FORMAT"] in VALID_FILE_FORMAT_VERSIONS
     assert vm["YAML_VERSION"] in VALID_YAML_VERSIONS
 
-    for tag_base, tag_version in vm["tags"].items():
-        tag = f"{tag_base}-{tag_version}"
-        if "time" not in tag and "core" not in tag and "unit" not in tag and "wcs" not in tag:
-            assert tag in schema_tags, f"{path.name} specifies missing tag {tag}"
-
     assert len(vm["tags"].keys()) == len(set(vm["tags"].keys())), f"{path.name} contains duplicate tags"
 
     sorted_tags = sorted(list(vm["tags"].keys()))