diff --git a/tests/test_blob.py b/tests/test_blob.py
index 3842b6f..89b666c 100644
--- a/tests/test_blob.py
+++ b/tests/test_blob.py
@@ -4,18 +4,15 @@
 
 """Blob unit tests."""
 
-import pytest
 
-from . import constants
-from . import model
-
-def test_blob_data_constructor(pEp, model):
+def test_blob_data_constructor(pEp):
     bdata = b'this is binary \x00\x01\xbb\xa7\xa4\xab test data'
     b = pEp.Blob(bdata)
-    assert(b.data == bdata)
+    assert b.data == bdata
+
 
-def test_blob_data_property(pEp, model):
+def test_blob_data_property(pEp):
     bdata = b'this is binary \x00\x01\xbb\xa7\xa4\xab test data'
     b = pEp.Blob(b'dummy')
     b.data = bdata
-    assert(b.data == bdata)
+    assert b.data == bdata