diff --git a/tests/TestCadQuery.py b/tests/TestCadQuery.py
index 7e122d6..49955e0 100644
--- a/tests/TestCadQuery.py
+++ b/tests/TestCadQuery.py
@@ -1059,53 +1059,53 @@ class TestCadQuery(BaseTest):
 
         self.saveModel(s)
 
-    def testAutoSimplify(self):
+    def testClean(self):
         """
-        Tests the `simplify()` method which is called automatically.
+        Tests the `clean()` method which is called automatically.
         """
 
         # make a cube with a splitter edge on one of the faces
         # autosimplify should remove the splitter
         s = Workplane("XY").moveTo(0,0).line(5,0).line(5,0).line(0,10).\
-            line(-10,0).close().extrude(10)
+            line(-10,0).close().extrude(10, clean=True)
 
         self.assertEqual(6, s.faces().size())
 
         # test removal of splitter caused by union operation
-        s = Workplane("XY").box(10,10,10).union(Workplane("XY").box(20,10,10))
+        s = Workplane("XY").box(10,10,10).union(Workplane("XY").box(20,10,10), clean=True)
 
         self.assertEqual(6, s.faces().size())
 
         # test removal of splitter caused by extrude+combine operation
         s = Workplane("XY").box(10,10,10).faces(">Y").\
-            workplane().rect(5,10,5).extrude(20)
+            workplane().rect(5,10,5).extrude(20, clean=True)
 
         self.assertEqual(10, s.faces().size())
 
-    def testNoSimplify(self):
+    def testNoClean(self):
         """
-        Test the case when simplify is disabled.
+        Test the case when clean is disabled.
         """
         # test disabling autoSimplify
         s = Workplane("XY").moveTo(0,0).line(5,0).line(5,0).line(0,10).\
-            line(-10,0).close().autoSimplify(False).extrude(10)
+            line(-10,0).close().extrude(10, clean=False)
         self.assertEqual(7, s.faces().size())
 
-        s = Workplane("XY").box(10,10,10).autoSimplify(False).\
-            union(Workplane("XY").box(20,10,10))
+        s = Workplane("XY").box(10,10,10).\
+            union(Workplane("XY").box(20,10,10), clean=False)
         self.assertEqual(14, s.faces().size())
 
         s = Workplane("XY").box(10,10,10).faces(">Y").\
-            workplane().rect(5,10,5).autoSimplify(False).extrude(20)
+            workplane().rect(5,10,5).extrude(20, clean=False)
 
         self.assertEqual(12, s.faces().size())
 
-    def testExplicitSimplify(self):
+    def testExplicitClean(self):
         """
-        Test running of `simplify()` method explicitly.
+        Test running of `clean()` method explicitly.
         """
         s = Workplane("XY").moveTo(0,0).line(5,0).line(5,0).line(0,10).\
-            line(-10,0).close().autoSimplify(False).extrude(10).simplify()
+            line(-10,0).close().extrude(10,clean=False).clean()
         self.assertEqual(6, s.faces().size())
 
     def testCup(self):