diff --git a/fsl_mrs_mce/mc_gen.py b/fsl_mrs_mce/mc_gen.py
index 4982837..c86f1ef 100644
--- a/fsl_mrs_mce/mc_gen.py
+++ b/fsl_mrs_mce/mc_gen.py
@@ -12,7 +12,7 @@ from fsl_mrs.utils.fitting import fit_FSLModel
 
 def synth_and_ana(noise_cov,
                   fit_parameters, fit_snr, fit_sdnoise, fit_varnoise,
-                  df_parameter_synth, basis_path, output_path):
+                  df_parameter_synth, basis_path):
     """Synthetise spectra with given noise-covariance, analyse the data and
     return table of fitting parameters with a fit-plot.
     We ignore Gly. Independent scaling of Macro Molecules."""