--- a/python/mozbuild/mozbuild/test/frontend/test_emitter.py
+++ b/python/mozbuild/mozbuild/test/frontend/test_emitter.py
@@ -1051,24 +1051,6 @@

         self.assertEqual(local_includes, expected)

-    def test_local_includes_invalid(self):
-        """Test that invalid LOCAL_INCLUDES are properly detected."""
-        reader = self.reader('local_includes-invalid/srcdir')
-
-        with self.assertRaisesRegexp(
-                SandboxValidationError,
-                'Path specified in LOCAL_INCLUDES.*resolves to the '
-                'topsrcdir or topobjdir'):
-            objs = self.read_topsrcdir(reader)
-
-        reader = self.reader('local_includes-invalid/objdir')
-
-        with self.assertRaisesRegexp(
-                SandboxValidationError,
-                'Path specified in LOCAL_INCLUDES.*resolves to the '
-                'topsrcdir or topobjdir'):
-            objs = self.read_topsrcdir(reader)
-
     def test_local_includes_file(self):
         """Test that a filename can't be used in LOCAL_INCLUDES."""
         reader = self.reader('local_includes-filename')