diff --git a/km3io/offline.py b/km3io/offline.py
index 3dfb4299e2ea8d66b3713dd7f435ae57efd02484..e9c4ead5a0a3f01edc7d76356a22acbf7dc8f7a7 100644
--- a/km3io/offline.py
+++ b/km3io/offline.py
@@ -210,18 +210,6 @@ class OfflineKeys:
         """
         return km3io.definitions.trigger.data
 
-    @cached_property
-    def reconstruction(self):
-        """reconstruction parameters and their index from km3net-Dataformat.
-
-        Returns
-        -------
-        dict
-            dictionary of reconstruction parameters and their index in an
-            Offline file.
-        """
-        return km3io.definitions.reconstruction.data
-
 
 class Reader:
     """Reader for one offline ROOT file"""
diff --git a/tests/test_offline.py b/tests/test_offline.py
index 9af1018d6719d85432db5764443bb4fc780f23e2..0fa6effc62b436250c7c4852abca1d0f8f3fd53b 100644
--- a/tests/test_offline.py
+++ b/tests/test_offline.py
@@ -41,31 +41,6 @@ class TestOfflineKeys(unittest.TestCase):
         # there are 18 fit keys
         self.assertEqual(len(self.keys.fit_keys), 18)
 
-    def test_trigger(self):
-        # there are 4 trigger keys in v1.1.2 of km3net-Dataformat
-        trigger = self.keys.trigger
-        keys = [
-            'JTRIGGER3DSHOWER', 'JTRIGGERMXSHOWER', 'JTRIGGER3DMUON',
-            'JTRIGGERNB'
-        ]
-        values = [1, 2, 4, 5]
-
-        for k, v in zip(keys, values):
-            self.assertEqual(v, trigger[k])
-
-    def test_reconstruction(self):
-        # there are 34 parameters in v1.1.2 of km3net-Dataformat
-        reco = self.keys.reconstruction
-        keys = [
-            'JPP_RECONSTRUCTION_TYPE', 'JMUONFIT', 'JMUONBEGIN', 'JMUONPREFIT',
-            'JMUONSIMPLEX', 'JMUONGANDALF', 'JMUONENERGY', 'JMUONSTART'
-        ]
-        values = [4000, 0, 0, 1, 2, 3, 4, 5]
-
-        self.assertEqual(34, len([*reco.keys()]))
-        for k, v in zip(keys, values):
-            self.assertEqual(v, reco[k])
-
 
 class TestReader(unittest.TestCase):
     def setUp(self):