diff --git a/tests/conftest.py b/tests/conftest.py
index 9e87030c00303f83b50c347c7195c311ddc86dd3..f3fa64a84661793733623969e6af30f64d570091 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -14,12 +14,6 @@ import numpy as np
 
 
 def pytest_addoption(parser):
-    parser.addoption('--niters',
-                     type=int,
-                     action='store',
-                     default=50,
-                     help='Number of test iterations for imagewrapper')
-
     parser.addoption('--testdir',
                      action='store',
                      help='FSLeyes test data directory')
@@ -29,11 +23,6 @@ def pytest_addoption(parser):
                      help='Seed for random number generator')
 
 
-@pytest.fixture
-def niters(request):
-    """Number of test iterations."""
-    return request.config.getoption('--niters')
-
 
 @pytest.fixture
 def seed(request):