diff --git a/cadCAD/configuration/__init__.py b/cadCAD/configuration/__init__.py
index 56aae05..cbfea98 100644
--- a/cadCAD/configuration/__init__.py
+++ b/cadCAD/configuration/__init__.py
@@ -9,8 +9,6 @@ from cadCAD.configuration.utils import exo_update_per_ts
 from cadCAD.configuration.utils.policyAggregation import dict_elemwise_sum
 from cadCAD.configuration.utils.depreciationHandler import sanitize_partial_state_updates, sanitize_config
 
-# policy_ops=[foldr(dict_elemwise_sum())]
-# policy_ops=[reduce, lambda a, b: {**a, **b}]
 
 class Configuration(object):
     def __init__(self, sim_config={}, initial_state={}, seeds={}, env_processes={},
@@ -28,7 +26,7 @@ class Configuration(object):
 
         sanitize_config(self)
 
-# ToDo: Remove Seeds
+
 def append_configs(sim_configs={}, initial_state={}, seeds={}, raw_exogenous_states={}, env_processes={},
                    partial_state_update_blocks={}, policy_ops=[lambda a, b: a + b], _exo_update_per_ts: bool = True) -> None:
     if _exo_update_per_ts is True:
diff --git a/cadCAD/configuration/utils/__init__.py b/cadCAD/configuration/utils/__init__.py
index 8c16b8c..ea5f068 100644
--- a/cadCAD/configuration/utils/__init__.py
+++ b/cadCAD/configuration/utils/__init__.py
@@ -5,12 +5,10 @@ from fn.func import curried
 from funcy import curry
 import pandas as pd
 
-# Temporary
 from cadCAD.configuration.utils.depreciationHandler import sanitize_partial_state_updates
 from cadCAD.utils import dict_filter, contains_type, flatten_tabulated_dict, tabulate_dict
 
 
-# ToDo: Fix - Returns empty when partial_state_update is missing in Configuration
 class TensorFieldReport:
     def __init__(self, config_proc):
         self.config_proc = config_proc
@@ -56,7 +54,6 @@ def time_step(dt_str, dt_format='%Y-%m-%d %H:%M:%S', _timedelta = tstep_delta):
     return t.strftime(dt_format)
 
 
-# ToDo: Inject in first elem of last PSUB from Historical state
 ep_t_delta = timedelta(days=0, minutes=0, seconds=1)
 def ep_time_step(s_condition, dt_str, fromat_str='%Y-%m-%d %H:%M:%S', _timedelta = ep_t_delta):
     # print(dt_str)
@@ -65,7 +62,7 @@ def ep_time_step(s_condition, dt_str, fromat_str='%Y-%m-%d %H:%M:%S', _timedelta
     else:
         return dt_str
 
-# mech_sweep_filter
+
 def partial_state_sweep_filter(state_field, partial_state_updates):
     partial_state_dict = dict([(k, v[state_field]) for k, v in partial_state_updates.items()])
     return dict([
@@ -77,7 +74,7 @@ def partial_state_sweep_filter(state_field, partial_state_updates):
 def state_sweep_filter(raw_exogenous_states):
     return dict([(k, v) for k, v in raw_exogenous_states.items() if isinstance(v, list)])
 
-# sweep_mech_states
+
 @curried
 def sweep_partial_states(_type, in_config):
     configs = []
@@ -129,16 +126,19 @@ def exo_update_per_ts(ep):
 
     return {es: ep_decorator(f, es) for es, f in ep.items()}
 
+
 def trigger_condition(s, pre_conditions, cond_opp):
     condition_bools = [s[field] in precondition_values for field, precondition_values in pre_conditions.items()]
     return reduce(cond_opp, condition_bools)
 
+
 def apply_state_condition(pre_conditions, cond_opp, y, f, _g, step, sL, s, _input):
     if trigger_condition(s, pre_conditions, cond_opp):
         return f(_g, step, sL, s, _input)
     else:
         return y, s[y]
 
+
 def var_trigger(y, f, pre_conditions, cond_op):
     return lambda _g, step, sL, s, _input: apply_state_condition(pre_conditions, cond_op, y, f, _g, step, sL, s, _input)
 
@@ -173,7 +173,6 @@ def env_trigger(end_substep):
         curry(trigger)(end_substep)(trigger_field)(trigger_vals)(funct_list)
 
 
-# param sweep enabling middleware
 def config_sim(d):
     def process_variables(d):
         return flatten_tabulated_dict(tabulate_dict(d))
@@ -184,15 +183,18 @@ def config_sim(d):
         d["M"] = [{}]
         return d
 
+
 def psub_list(psu_block, psu_steps):
     return [psu_block[psu] for psu in psu_steps]
 
+
 def psub(policies, state_updates):
     return {
         'policies': policies,
         'states': state_updates
     }
 
+
 def genereate_psubs(policy_grid, states_grid, policies, state_updates):
     PSUBS = []
     for policy_ids, state_list in zip(policy_grid, states_grid):
@@ -202,7 +204,7 @@ def genereate_psubs(policy_grid, states_grid, policies, state_updates):
 
     return PSUBS
 
-# ToDo: DO NOT filter sH for every state/policy update. Requires a consumable sH (new sH)
+
 def access_block(state_history, target_field, psu_block_offset, exculsion_list=[]):
     exculsion_list += [target_field]
     def filter_history(key_list, sH):
diff --git a/cadCAD/configuration/utils/depreciationHandler.py b/cadCAD/configuration/utils/depreciationHandler.py
index 330823b..ab57082 100644
--- a/cadCAD/configuration/utils/depreciationHandler.py
+++ b/cadCAD/configuration/utils/depreciationHandler.py
@@ -2,8 +2,6 @@ from copy import deepcopy
 
 
 def sanitize_config(config):
-    # for backwards compatibility, we accept old arguments via **kwargs
-    # TODO: raise specific deprecation warnings for key == 'state_dict', key == 'seed', key == 'mechanisms'
     for key, value in config.kwargs.items():
         if key == 'state_dict':
             config.initial_state = value
@@ -18,8 +16,6 @@ def sanitize_config(config):
 
 def sanitize_partial_state_updates(partial_state_updates):
     new_partial_state_updates = deepcopy(partial_state_updates)
-    # for backwards compatibility we accept the old keys
-    # ('behaviors' and 'states') and rename them
     def rename_keys(d):
         if 'behaviors' in d:
             d['policies'] = d.pop('behaviors')
@@ -28,8 +24,6 @@ def sanitize_partial_state_updates(partial_state_updates):
             d['variables'] = d.pop('states')
 
 
-    # Also for backwards compatibility, we accept partial state update blocks both as list or dict
-    # No need for a deprecation warning as it's already raised by cadCAD.utils.key_filter
     if isinstance(new_partial_state_updates, list):
         for v in new_partial_state_updates:
             rename_keys(v)
diff --git a/cadCAD/configuration/utils/policyAggregation.py b/cadCAD/configuration/utils/policyAggregation.py
index 96077dc..9309d01 100644
--- a/cadCAD/configuration/utils/policyAggregation.py
+++ b/cadCAD/configuration/utils/policyAggregation.py
@@ -1,6 +1,7 @@
 from fn.op import foldr
 from fn.func import curried
 
+
 def get_base_value(x):
     if isinstance(x, str):
         return ''
@@ -17,7 +18,7 @@ def policy_to_dict(v):
 
 
 add = lambda a, b: a + b
-# df_union = lambda a, b: ...
+
 
 @curried
 def foldr_dict_vals(f, d):
diff --git a/cadCAD/configuration/utils/userDefinedObject.py b/cadCAD/configuration/utils/userDefinedObject.py
index 4ced71f..f37b3f2 100644
--- a/cadCAD/configuration/utils/userDefinedObject.py
+++ b/cadCAD/configuration/utils/userDefinedObject.py
@@ -1,23 +1,22 @@
 from collections import namedtuple
-from copy import deepcopy
 from inspect import getmembers, ismethod
 from pandas.core.frame import DataFrame
 
 from cadCAD.utils import SilentDF
 
+
 def val_switch(v):
     if isinstance(v, DataFrame) is True:
         return SilentDF(v)
     else:
         return v
 
+
 class udcView(object):
     def __init__(self, d, masked_members):
         self.__dict__ = d
         self.masked_members = masked_members
 
-    # returns dict to dataframe
-
     def __repr__(self):
         members = {}
         variables = {
@@ -27,17 +26,7 @@ class udcView(object):
         members['methods'] = [k for k, v in self.__dict__.items() if str(type(v)) == "<class 'method'>"]
 
         members.update(variables)
-        return f"{members}" #[1:-1]
-
-    # def __repr__(self):
-    #     members = {}
-    #     variables = {
-    #         k: val_switch(v) for k, v in self.__dict__.items()
-    #         if str(type(v)) != "<class 'method'>" and k not in self.masked_members and k == 'x' # and isinstance(v, DataFrame) is not True
-    #     }
-    #
-    #     members.update(variables)
-    #     return f"{members}" #[1:-1]
+        return f"{members}"
 
 
 class udcBroker(object):
diff --git a/cadCAD/engine/__init__.py b/cadCAD/engine/__init__.py
index a8002b9..8147f5f 100644
--- a/cadCAD/engine/__init__.py
+++ b/cadCAD/engine/__init__.py
@@ -93,7 +93,6 @@ class Executor:
         final_result = None
 
         if self.exec_context == ExecutionMode.single_proc:
-            # ToDO: Deprication Handler - "sanitize" in appropriate place
             tensor_field = create_tensor_field(partial_state_updates.pop(), eps.pop())
             result = self.exec_method(simulation_execs, var_dict_list, states_lists, configs_structs, env_processes_list, Ts, Ns)
             final_result = result, tensor_field
diff --git a/cadCAD/engine/simulation.py b/cadCAD/engine/simulation.py
index dd2d45d..c5818a4 100644
--- a/cadCAD/engine/simulation.py
+++ b/cadCAD/engine/simulation.py
@@ -63,9 +63,6 @@ class Executor:
             ) for k, val_list in new_dict.items()
         }
 
-        # [f1] = ops
-        # return {k: reduce(f1, val_list) for k, val_list in new_dict.items()}
-        # return foldr(call, col_results)(ops)
 
     def apply_env_proc(
                 self,
@@ -98,7 +95,6 @@ class Executor:
 
         return state_dict
 
-    # ToDo: Redifined as a function that applies the tensor field to a set og last conditions
     # mech_step
     def partial_state_update(
                 self,
@@ -119,8 +115,6 @@ class Executor:
         )
 
 
-        # ToDo: add env_proc generator to `last_in_copy` iterator as wrapper function
-        # ToDo: Can be multithreaded ??
         def generate_record(state_funcs):
             for f in state_funcs:
                 yield self.state_update_exception(f(sweep_dict, sub_step, sH, last_in_obj, _input))
@@ -134,7 +128,6 @@ class Executor:
 
         last_in_copy: Dict[str, Any] = transfer_missing_fields(last_in_obj, dict(generate_record(state_funcs)))
         last_in_copy: Dict[str, Any] = self.apply_env_proc(sweep_dict, env_processes, last_in_copy)
-        # ToDo: make 'substep' & 'timestep' reserve fields
         last_in_copy['substep'], last_in_copy['timestep'], last_in_copy['run'] = sub_step, time_step, run
 
         sL.append(last_in_copy)
@@ -155,7 +148,6 @@ class Executor:
 
         sub_step = 0
         states_list_copy: List[Dict[str, Any]] = deepcopy(simulation_list[-1])
-        # ToDo: Causes Substep repeats in sL:
         genesis_states: Dict[str, Any] = states_list_copy[-1]
 
         if len(states_list_copy) == 1:
@@ -167,7 +159,6 @@ class Executor:
         del states_list_copy
         states_list: List[Dict[str, Any]] = [genesis_states]
 
-        # ToDo: Was causing Substep repeats in sL, use for yield
         sub_step += 1
 
         for [s_conf, p_conf] in configs: # tensor field
@@ -196,7 +187,6 @@ class Executor:
             ) -> List[List[Dict[str, Any]]]:
 
         time_seq: List[int] = [x + 1 for x in time_seq]
-        # ToDo: simulation_list should be a Tensor that is generated throughout the Executor
         simulation_list: List[List[Dict[str, Any]]] = [states_list]
 
         for time_step in time_seq:
@@ -209,8 +199,6 @@ class Executor:
 
         return simulation_list
 
-    # ToDo: Below can be recieved from a tensor field
-    # configs: List[Tuple[List[Callable], List[Callable]]]
     def simulation(
             self,
             sweep_dict: Dict[str, List[Any]],
diff --git a/cadCAD/engine/utils.py b/cadCAD/engine/utils.py
index c0f3a76..4fa5b47 100644
--- a/cadCAD/engine/utils.py
+++ b/cadCAD/engine/utils.py
@@ -24,8 +24,6 @@ def retrieve_state(l, offset):
     return l[last_index(l) + offset + 1]
 
 
-# exception_function = f(sub_step, sL, sL[-2], _input)
-# try_function = f(sub_step, sL, last_mut_obj, _input)
 @curried
 def engine_exception(ErrorType, error_message, exception_function, try_function):
     try:
@@ -38,5 +36,3 @@ def engine_exception(ErrorType, error_message, exception_function, try_function)
 @curried
 def fit_param(param, x):
     return x + param
-
-# fit_param = lambda param: lambda x: x + param
diff --git a/cadCAD/utils/__init__.py b/cadCAD/utils/__init__.py
index ccb5f9d..0243464 100644
--- a/cadCAD/utils/__init__.py
+++ b/cadCAD/utils/__init__.py
@@ -11,15 +11,11 @@ class SilentDF(DataFrame):
     def __repr__(self):
         return str(hex(id(DataFrame))) #"pandas.core.frame.DataFrame"
 
+
 def append_dict(dict, new_dict):
     dict.update(new_dict)
     return dict
 
-# def val_switch(v):
-#     if isinstance(v, DataFrame) is True or isinstance(v, SilentDF) is True:
-#         return SilentDF(v)
-#     else:
-#         return v.x
 
 class IndexCounter:
     def __init__(self):
@@ -29,8 +25,6 @@ class IndexCounter:
         self.i += 1
         return self.i
 
-# def compose(*functions):
-#     return reduce(lambda f, g: lambda x: f(g(x)), functions, lambda x: x)
 
 def compose(*functions):
     return reduce(lambda f, g: lambda x: f(g(x)), functions, lambda x: x)
@@ -108,8 +102,7 @@ def contains_type(_collection, type):
 def drop_right(l, n):
     return l[:len(l) - n]
 
-# backwards compatibility
-# ToDo: Encapsulate in function
+
 def key_filter(l, keyname):
     if (type(l) == list):
         return [v[keyname] for v in l]
@@ -147,23 +140,3 @@ def curry_pot(f, *argv):
         return f(argv[0], argv[1], argv[2])
     else:
         raise TypeError('curry_pot() needs 3 or 4 positional arguments')
-
-# def curry_pot(f, *argv):
-#     sweep_ind = f.__name__[0:5] == 'sweep'
-#     arg_len = len(argv)
-#     if sweep_ind is True and arg_len == 4:
-#         return f(argv[0])(argv[1])(argv[2])(argv[3])
-#     elif sweep_ind is False and arg_len == 4:
-#         return f(argv[0])(argv[1])(argv[2])(argv[3])
-#     elif sweep_ind is True and arg_len == 3:
-#         return f(argv[0])(argv[1])(argv[2])
-#     elif sweep_ind is False and arg_len == 3:
-#         return f(argv[0])(argv[1])(argv[2])
-#     else:
-#         raise TypeError('curry_pot() needs 3 or 4 positional arguments')
-
-# def rename(newname):
-#     def decorator(f):
-#         f.__name__ = newname
-#         return f
-#     return decorator
diff --git a/cadCAD/utils/sys_config.py b/cadCAD/utils/sys_config.py
index 3da1efe..4d1c285 100644
--- a/cadCAD/utils/sys_config.py
+++ b/cadCAD/utils/sys_config.py
@@ -1,37 +1,46 @@
 from funcy import curry
-
 from cadCAD.configuration.utils import ep_time_step, time_step
 
+
 def increment(y, incr_by):
     return lambda _g, step, sL, s, _input: (y, s[y] + incr_by)
 
+
 def track(y):
     return lambda _g, step, sL, s, _input: (y, s[y].x)
 
+
 def simple_state_update(y, x):
     return lambda _g, step, sH, s, _input: (y, x)
 
+
 def simple_policy_update(y):
     return lambda _g, step, sH, s: y
 
+
 def update_timestamp(y, timedelta, format):
     return lambda _g, step, sL, s, _input: (
         y,
         ep_time_step(s, dt_str=s[y], fromat_str=format, _timedelta=timedelta)
     )
 
+
 def apply(f, y: str, incr_by: int):
     return lambda _g, step, sL, s, _input: (y, curry(f)(s[y])(incr_by))
 
+
 def add(y: str, incr_by):
     return apply(lambda a, b: a + b, y, incr_by)
 
+
 def increment_state_by_int(y: str, incr_by: int):
     return lambda _g, step, sL, s, _input: (y, s[y] + incr_by)
 
+
 def s(y, x):
     return lambda _g, step, sH, s, _input: (y, x)
 
+
 def time_model(y, substeps, time_delta, ts_format='%Y-%m-%d %H:%M:%S'):
     def apply_incriment_condition(s):
         if s['substep'] == 0 or s['substep'] == substeps:
@@ -40,94 +49,3 @@ def time_model(y, substeps, time_delta, ts_format='%Y-%m-%d %H:%M:%S'):
             return y, s[y]
     return lambda _g, step, sL, s, _input: apply_incriment_condition(s)
 
-
-# ToDo: Impliment Matrix reduction
-#
-# [
-#     {'conditions': [123], 'opp': lambda a, b: a and b},
-#     {'conditions': [123], 'opp': lambda a, b: a and b}
-# ]
-
-# def trigger_condition2(s, conditions, cond_opp):
-#     # print(conditions)
-#     condition_bools = [s[field] in precondition_values for field, precondition_values in conditions.items()]
-#     return reduce(cond_opp, condition_bools)
-#
-# def trigger_multi_conditions(s, multi_conditions, multi_cond_opp):
-#     # print([(d['conditions'], d['reduction_opp']) for d in multi_conditions])
-#     condition_bools = [
-#         trigger_condition2(s, conditions, opp) for conditions, opp in [
-#             (d['conditions'], d['reduction_opp']) for d in multi_conditions
-#         ]
-#     ]
-#     return reduce(multi_cond_opp, condition_bools)
-#
-# def apply_state_condition2(multi_conditions, multi_cond_opp, y, f, _g, step, sL, s, _input):
-#     if trigger_multi_conditions(s, multi_conditions, multi_cond_opp):
-#         return f(_g, step, sL, s, _input)
-#     else:
-#         return y, s[y]
-#
-# def proc_trigger2(y, f, multi_conditions, multi_cond_opp):
-#     return lambda _g, step, sL, s, _input: apply_state_condition2(multi_conditions, multi_cond_opp, y, f, _g, step, sL, s, _input)
-#
-# def timestep_trigger2(end_substep, y, f):
-#     multi_conditions = [
-#         {
-#             'condition': {
-#                 'substep': [0, end_substep]
-#             },
-#             'reduction_opp': lambda a, b: a and b
-#         }
-#     ]
-#     multi_cond_opp = lambda a, b: a and b
-#     return proc_trigger2(y, f, multi_conditions, multi_cond_opp)
-
-#
-# @curried
-
-
-
-# print(env_trigger(3).__module__)
-# pp.pprint(dir(env_trigger))
-
-
-
-# @curried
-# def env_proc_trigger(trigger_time, update_f, time):
-#     if time == trigger_time:
-#         return update_f
-#     else:
-#         return lambda x: x
-
-
-
-
-# def p1m1(_g, step, sL, s):
-#     return {'param1': 1}
-#
-# def apply_policy_condition(policies, policy_id, f, conditions, _g, step, sL, s):
-#     if trigger_condition(s, conditions):
-#         policies[policy_id] = f(_g, step, sL, s)
-#         return policies
-#     else:
-#         return policies
-#
-# def proc_trigger2(policies, conditions, policy_id, f):
-#     return lambda _g, step, sL, s: apply_policy_condition(policies, policy_id, f, conditions,_g, step, sL, s)
-
-# policies_updates = {"p1": udo_policyA, "p2": udo_policyB}
-
-
-# @curried
-# def proc_trigger(trigger_time, update_f, time):
-#     if time == trigger_time:
-#         return update_f
-#     else:
-#         return lambda x: x
-
-
-# def repr(_g, step, sL, s, _input):
-#     y = 'z'
-#     x = s['state_udo'].__repr__()
-#     return (y, x)
\ No newline at end of file