diff --git a/test/waveform_generator_test.py b/test/waveform_generator_test.py
index cd45c6bf5e55549a42007dee12dc385002d49955..a03f250a3db219bbc810c8da700e007ad65ceaa1 100644
--- a/test/waveform_generator_test.py
+++ b/test/waveform_generator_test.py
@@ -51,16 +51,14 @@ class TestWaveformGeneratorInstantiationWithoutOptionalParameters(unittest.TestC
             tupak.gw.waveform_generator.WaveformGenerator(1, 4096,
                                                           time_domain_source_model=dummy_func_dict_return_value)
         expected = 'WaveformGenerator(duration={}, sampling_frequency={}, start_time={}, ' \
-                   'frequency_domain_source_model={}, time_domain_source_model={}, parameters={}, ' \
-                   'parameter_conversion={}, non_standard_sampling_parameter_keys={}, waveform_arguments={})'\
+                   'frequency_domain_source_model={}, time_domain_source_model={}, ' \
+                   'parameter_conversion={}, waveform_arguments={})'\
             .format(self.waveform_generator.duration,
                     self.waveform_generator.sampling_frequency,
                     self.waveform_generator.start_time,
                     self.waveform_generator.frequency_domain_source_model,
                     self.waveform_generator.time_domain_source_model.__name__,
-                    self.waveform_generator.parameters,
                     None,
-                    self.waveform_generator.non_standard_sampling_parameter_keys,
                     self.waveform_generator.waveform_arguments)
         self.assertEqual(expected, repr(self.waveform_generator))
 
@@ -70,16 +68,14 @@ class TestWaveformGeneratorInstantiationWithoutOptionalParameters(unittest.TestC
 
         self.waveform_generator.parameter_conversion = conversion_func
         expected = 'WaveformGenerator(duration={}, sampling_frequency={}, start_time={}, ' \
-                   'frequency_domain_source_model={}, time_domain_source_model={}, parameters={}, ' \
-                   'parameter_conversion={}, non_standard_sampling_parameter_keys={}, waveform_arguments={})'\
+                   'frequency_domain_source_model={}, time_domain_source_model={}, ' \
+                   'parameter_conversion={}, waveform_arguments={})'\
             .format(self.waveform_generator.duration,
                     self.waveform_generator.sampling_frequency,
                     self.waveform_generator.start_time,
                     self.waveform_generator.frequency_domain_source_model.__name__,
                     self.waveform_generator.time_domain_source_model,
-                    self.waveform_generator.parameters,
                     conversion_func.__name__,
-                    self.waveform_generator.non_standard_sampling_parameter_keys,
                     self.waveform_generator.waveform_arguments)
         self.assertEqual(expected, repr(self.waveform_generator))