diff --git a/tests/test_get_library_type.py b/tests/test_get_library_type.py
index ef85b12..5d900df 100644
--- a/tests/test_get_library_type.py
+++ b/tests/test_get_library_type.py
@@ -219,36 +219,6 @@ def test_update_relationship_type_not_mates(self, tmpdir):
             test_instance.results.relationship ==
             StatesTypeRelationship.not_mates
         )
-        assert (
-            test_instance.mapping.library_type.relationship ==
-            StatesTypeRelationship.not_available
-        )
-
-    def test_evaluate_mate_relationship_not_determined(self, tmpdir):
-        """Test mate relationship evaluation logic when
-        library source is not determined.
-        """
-        CONFIG.args.path_1_processed = FILE_MATE_1
-        CONFIG.args.path_2_processed = FILE_MATE_2
-        CONFIG.args.t_file_processed = FILE_TRANSCRIPTS
-        CONFIG.args.tmp_dir = tmpdir
-        CONFIG.results.library_source = ResultsSource(
-            file_1=Source(),
-            file_2=Source(),
-        )
-        test_instance = GetLibType(config=CONFIG, mapping=MAPPING)
-        test_instance.results.file_1 = StatesType.not_available
-        test_instance.results.file_2 = StatesType.not_available
-
-        # Call the _evaluate_mate_relationship method
-        test_instance._evaluate_mate_relationship(
-            ids_1=["A", "B", "C"], ids_2=["D", "E", "F"]
-        )
-
-        assert (
-            test_instance.results.relationship ==
-            StatesTypeRelationship.not_available
-        )
 
         # Simulate a scenario where ratio is above the cutoff
         concordant = 20