diff --git a/tests/topfarm/test_drivers.py b/tests/topfarm/test_drivers.py
index ae3b5210a5d5b5da54253788710e46b1a2405cd4..39faec7ad32a72137e6f1db21140b9b5dd447643 100644
--- a/tests/topfarm/test_drivers.py
+++ b/tests/topfarm/test_drivers.py
@@ -1,16 +1,9 @@
-'''
-Created on 17. maj 2018
-
-@author: mmpe
-'''
 from topfarm import TopFarm
-
 import numpy as np
 import pytest
-from topfarm.cost_models.dummy import DummyCost, DummyCostPlotComp
+from topfarm.cost_models.dummy import DummyCost
 from topfarm.plotting import NoPlot
-from topfarm.easy_drivers import EasyScipyOptimizeDriver,\
-    EasyPyOptSparseSLSQP, EasyPyOptSparseIPOPT
+from topfarm.easy_drivers import EasyScipyOptimizeDriver, EasyPyOptSparseIPOPT
 
 
 initial = [[6, 0], [6, -8], [1, 1]]  # initial turbine layouts
@@ -22,7 +15,8 @@ desired = [[3, -3], [7, -7], [4, -3]]  # desired turbine layouts
 @pytest.fixture
 def topfarm_generator():
     def _topfarm_obj(driver):
-        #plot_comp = DummyCostPlotComp(desired)
+        # from topfarm.cost_models.dummy import DummyCostPlotComp
+        # plot_comp = DummyCostPlotComp(desired)
         plot_comp = NoPlot()
         return TopFarm(initial, DummyCost(desired), 2, plot_comp=plot_comp, boundary=boundary, driver=driver)
     return _topfarm_obj
@@ -32,12 +26,10 @@ def topfarm_generator():
                                         (EasyScipyOptimizeDriver(tol=1e-3), 1e-2),
                                         (EasyScipyOptimizeDriver(maxiter=13), 1e-1),
                                         (EasyScipyOptimizeDriver(optimizer='COBYLA', tol=1e-3, disp=False), 1e-2),
-                                        (EasyPyOptSparseSLSQP(), 1e-4),
                                         (EasyPyOptSparseIPOPT(), 1e-4),
-                                        #(EasySimpleGADriver(), 1e-4)
                                         ][:])
 def test_optimizers(driver, tol, topfarm_generator):
-    if driver.__class__.__name__=="PyOptSparseMissingDriver":
+    if driver.__class__.__name__ == "PyOptSparseMissingDriver":
         pytest.xfail("reason")
     tf = topfarm_generator(driver)
     tf.evaluate()
@@ -49,4 +41,3 @@ def test_optimizers(driver, tol, topfarm_generator):
     assert sum((tb_pos[2] - tb_pos[0])**2) > 2**2 - tol  # check min spacing
     assert tb_pos[1][0] < 6 + tol  # check within border
     np.testing.assert_array_almost_equal(tb_pos, optimal, -int(np.log10(tol)))
-    #print (tb_pos - optimal)
diff --git a/topfarm/_topfarm.py b/topfarm/_topfarm.py
index c145ea4a4708405150ffea551f61bb33dabb9c0f..1e0e75d8450f5188751db4628a61ec1c956fdefe 100644
--- a/topfarm/_topfarm.py
+++ b/topfarm/_topfarm.py
@@ -43,7 +43,7 @@ class TopFarm(object):
         indeps.add_output('boundary', self.boundary_comp.vertices, units='m')
         prob.model.add_subsystem('cost_comp', cost_comp, promotes=['*'])
         prob.driver = driver
-        
+
         prob.model.add_design_var('turbineX', **design_var_kwargs)
         prob.model.add_design_var('turbineY', **design_var_kwargs)
         prob.model.add_objective('cost')
diff --git a/topfarm/easy_drivers.py b/topfarm/easy_drivers.py
index 4d61f43af774be0402a44783c8f3b190c3094704..339d244daa71452f4d602dc3cf628b9f3aba40f7 100644
--- a/topfarm/easy_drivers.py
+++ b/topfarm/easy_drivers.py
@@ -46,60 +46,3 @@ except ModuleNotFoundError:
 
     EasyPyOptSparseSLSQP = PyOptSparseMissingDriver
     EasyPyOptSparseIPOPT = PyOptSparseMissingDriver
-
-
-# class EasySimpleGADriver(SimpleGADriver):
-#     def __init__(self, elitism=True, max_gen=100):
-#         """Simple Genetic Algorithm Driver with argument
-#
-#         Parameters
-#         ----------
-#         bits : dict
-#             Number of bits of resolution. Default is an empty dict, where every unspecified variable is assumed to be integer, and the number of bits is calculated automatically. If you have a continuous var, you should set a bits value as a key in this dictionary.
-#             NotImplemented
-#         debug_print : list
-#             List of what type of Driver variables to print at each iteration. Valid items in list are 'desvars', 'ln_cons', 'nl_cons', 'objs', 'totals'
-#             NotImplemented
-#         elitism : bool
-#             If True, replace worst performing point with best from previous generation each iteration.
-#         max_gen : int
-#             Number of generations before termination.
-#         pop_size :
-#             Number of points in the GA. Set to 0 and it will be computed as four times the number of bits.
-#             NotImplemented
-#         procs_per_model : int
-#             Number of processors to give each model under MPI.
-#             NotImplemented
-#         run_parallel : bool
-#             Set to True to execute the points in a generation in parallel.
-#             NotImplemented
-#         """
-#         SimpleGADriver.__init__(self)
-#         self.options.update({'elitism': elitism, 'max_gen': max_gen})
-
-#
-# class COBYLADriverWrapper(CONMINdriver):
-#         # CONMIN-specific Settings
-#         self.driver.itmax = 30
-#         self.driver.fdch = 0.00001
-#         self.driver.fdchm = 0.000001
-#         self.driver.ctlmin = 0.01
-#         self.driver.delfun = 0.001
-#
-#         # NEWSUMT-specific Settings
-#         #self.driver.itmax = 10
-#
-#         # COBYLA-specific Settings
-#         #self.driver.rhobeg = 1.0
-#         #self.driver.rhoend = 1.0e-4
-#         #self.driver.maxfun = 1000
-#
-#         # SLSQP-specific Settings
-#         #self.driver.accuracy = 1.0e-6
-#         #self.driver.maxiter = 50
-#
-#         # Genetic-specific Settings
-#         #self.driver.population_size = 90
-#         #self.driver.crossover_rate = 0.9
-#         #self.driver.mutation_rate = 0.02
-#         #self.selection_method = 'rank'