diff --git a/bn_persona/persona_model.bif b/bn_persona/persona_model.bif
deleted file mode 100644
index ef8062593b35916b8470d1079aefc607ab6c6d08..0000000000000000000000000000000000000000
--- a/bn_persona/persona_model.bif
+++ /dev/null
@@ -1,103 +0,0 @@
-network persona_model {
-}
-
-%VARIABLES DEFINITION
-variable reactivity {
-  type discrete [3] {slow, medium, fast};
-}
-variable memory {
-  type discrete[3] {low, medium, high};
-}
-variable attention {
-  type discrete[3] {low, medium, high};
-}
-variable robot_assistance {
-  type discrete [ 5 ] { lev_0, lev_1, lev_2, lev_3, lev_4 };
-}
-variable attempt {
-  type discrete [ 4 ] { att_1, att_2, att_3, att_4 };
-}
-variable game_state {
-  type discrete [ 3 ] { beg, mid, end };
-}
-variable robot_feedback {
-  type discrete [ 2 ] { yes, no };
-}
-variable user_action {
-  type discrete [ 3 ] { correct, wrong, timeout };
-}
-
-%INDIVIDUAL PROBABILITIES DEFINITION
-probability ( robot_assistance ) {
-  table 0.2, 0.2, 0.2, 0.2, 0.2;
-}
-probability ( game_state ) {
-  table 0.34, 0.33, 0.33;
-}
-probability ( attempt ) {
-  table 0.25, 0.25, 0.25, 0.25;
-}
-probability ( user_action ) {
-  table 0.33, 0.33, 0.34;
-}
-#CPDS 4 #SPECIFICALLY FOR THE GIVEN PATIENT
-probability ( reactivity ) {
-  table 0.34, 0.33, 0.33;
-}
-#CPDS 3 #SPECIFICALLY FOR THE GIVEN PATIENT
-probability ( memory ) {
-  table 0.33, 0.33, 0.34;
-}
-#CPDS 1 #SPECIFICALLY FOR THE GIVEN PATIENT
-probability ( attention ) {
-  table 0.33, 0.33, 0.34;
-}
-probability ( robot_feedback ) {
-  table 0.5, 0.5;
-}
-probability ( reactivity | attention ) {
-  (low) 0.7, 0.2, 0.1;
-  (medium)  0.2, 0.5, 0.3;
-  (high)  0.1, 0.2, 0.7;
-}
-#CPDS 7
-probability (user_action | memory, reactivity) {
-(low, slow)  0.2, 0.5, 0.3;
-(low, medium) 0.3, 0.5, 0.2;
-(low, fast) 0.4, 0.5, 0.1;
-(medium, slow) 0.5, 0.3, 0.2;
-(medium, medium) 0.55, 0.35, 0.1;
-(medium, fast) 0.6, 0.4, 0.0;
-(high, slow)  0.5, 0.4, 0.1;
-(high, medium) 0.6, 0.3, 0.1;
-(high, fast) 0.8, 0.2, 0.0;
-}
-#CPDS 5
-probability (robot_feedback | user_action) {
-  (correct) 0.8, 0.2;
-  (wrong) 0.5, 0.5;
-  (timeout) 0.2, 0.8;
-}
-#CPDS 6
-probability (robot_assistance | user_action) {
-  (correct) 0.05 0.1 0.15 0.3 0.4;
-  (wrong) 0.4 0.3 0.2 0.05 0.05;
-  (timeout) 0.4 0.4 0.1 0.05 0.05;
-}
-#CPDS 2
-probability (game_state | user_action)  {
-   (correct) 0.2, 0.4, 0.4;
-   (wrong) 0.4, 0.4, 0.2;
-   (timeout) 0.6, 0.3, 0.1;
-}
-#CPDS 0
-probability (attempt | user_action)  {
-   (correct) 0.1, 0.2, 0.3, 0.4;
-   (wrong) 0.5, 0.3, 0.15, 0.05;
-   (timeout) 0.4, 0.3, 0.2, 0.1;
-}
-#CPDS 5
-probability (robot_assistance | robot_feedback) {
-  (yes) 0.5 0.3 0.1 0.1 0.0;
-  (no) 0.0 0.1 0.1 0.3 0.5;
-}
\ No newline at end of file
diff --git a/bn_persona/utilities.py b/bn_persona/utilities.py
deleted file mode 100644
index adaf78b9191df6e5a2a3a44cd5f2ccbdfe6d6d71..0000000000000000000000000000000000000000
--- a/bn_persona/utilities.py
+++ /dev/null
@@ -1,70 +0,0 @@
-import random
-import bn_functions
-
-def compute_next_state(user_action, task_evolution, attempt_counter, correct_move_counter,
-                       wrong_move_counter, timeout_counter
-                       ):
-    '''
-    The function computes given the current state and action of the user, the next state
-    Args:
-        user_action: 0,1,2
-        task_evolution: beg, mid, end
-        correct_move_counter:
-        attempt_counter:
-        wrong_move_counter:
-        timeout_counter:
-    Return:
-        the counters updated according to the user_action
-    '''
-    if user_action == 0:
-        attempt_counter = 0
-        task_evolution += 1
-        correct_move_counter += 1
-    # if the user made a wrong move and still did not reach the maximum number of attempts
-    elif user_action == 1 and attempt_counter < 3:
-        attempt_counter += 1
-        wrong_move_counter += 1
-    # if the user did not move any token and still did not reach the maximum number of attempts
-    elif user_action == 2 and attempt_counter < 3:
-        attempt_counter += 1
-        timeout_counter += 1
-    # the robot or therapist makes the correct move on the patient's behalf
-    else:
-        attempt_counter = 0
-        task_evolution += 1
-        correct_move_counter += 1
-
-    return task_evolution, attempt_counter, correct_move_counter, wrong_move_counter, timeout_counter
-
-def get_user_action_prob():
-    
-
-
-
-def get_stochatic_action(actions_prob):
-    '''
-    Select one of the actions according to the actions_prob
-    Args:
-        actions_prob: the probability of the Persona based on the BN to make a correct move, wrong move, timeout
-    Return:
-        the id of the selected action
-    N.B:
-    '''
-    action_id = None
-    correct_action_from_BN = actions_prob[0]
-    wrong_action_from_BN = actions_prob[1]
-    timeout_action_from_BN = actions_prob[2]
-
-    rnd_val = random.uniform(0,1)
-    #if user_prob is lower than the correct action prob then is the correct one
-    if rnd_val<=correct_action_from_BN:
-        action_id = 0
-    #if rnd is larger than the correct action prob and lower than wrong
-    #  action prob then is the wrong one
-    elif rnd_val>correct_action_from_BN \
-        and rnd_val<(correct_action_from_BN+wrong_action_from_BN):
-        action_id = 1
-    #timeout
-    else:
-        action_id = 2
-    return action_id
diff --git a/user_model.bif b/user_model.bif
deleted file mode 100644
index 79daa7f3893c814a65ca7b186ade276a025ba4c1..0000000000000000000000000000000000000000
--- a/user_model.bif
+++ /dev/null
@@ -1,103 +0,0 @@
-network persona_model_4 {
-}
-
-%VARIABLES DEFINITION
-variable reactivity {
-  type discrete [3] {slow, medium, fast};
-}
-variable memory {
-  type discrete[3] {low, medium, high};
-}
-variable attention {
-  type discrete[3] {low, medium, high};
-}
-variable robot_assistance {
-  type discrete [ 5 ] { lev_0, lev_1, lev_2, lev_3, lev_4 };
-}
-variable attempt {
-  type discrete [ 4 ] { att_1, att_2, att_3, att_4 };
-}
-variable game_state {
-  type discrete [ 3 ] { beg, mid, end };
-}
-variable robot_feedback {
-  type discrete [ 2 ] { yes, no };
-}
-variable user_action {
-  type discrete [ 3 ] { correct, wrong, timeout };
-}
-
-%INDIVIDUAL PROBABILITIES DEFINITION
-probability ( robot_assistance ) {
-  table 0.2, 0.2, 0.2, 0.2, 0.2;
-}
-probability ( game_state ) {
-  table 0.34, 0.33, 0.33;
-}
-probability ( attempt ) {
-  table 0.25, 0.25, 0.25, 0.25;
-}
-probability ( user_action ) {
-  table 0.33, 0.33, 0.34;
-}
-#CPDS 4 #SPECIFICALLY FOR THE GIVEN PATIENT
-probability ( reactivity ) {
-  table 0.34, 0.33, 0.33;
-}
-#CPDS 3 #SPECIFICALLY FOR THE GIVEN PATIENT
-probability ( memory ) {
-  table 0.33, 0.33, 0.34;
-}
-#CPDS 1 #SPECIFICALLY FOR THE GIVEN PATIENT
-probability ( attention ) {
-  table 0.33, 0.33, 0.34;
-}
-probability ( robot_feedback ) {
-  table 0.5, 0.5;
-}
-probability ( reactivity | attention ) {
-  (low) 0.5, 0.4, 0.1;
-  (medium)  0.3, 0.5, 0.2;
-  (high)  0.1, 0.2, 0.7;
-}
-#CPDS 7
-probability (user_action | memory, reactivity) {
-(low, slow)  0.2, 0.5, 0.3;
-(low, medium) 0.3, 0.5, 0.2;
-(low, fast) 0.4, 0.5, 0.1;
-(medium, slow) 0.5, 0.3, 0.2;
-(medium, medium) 0.55, 0.35, 0.1;
-(medium, fast) 0.6, 0.4, 0.0;
-(high, slow)  0.5, 0.4, 0.1;
-(high, medium) 0.6, 0.3, 0.1;
-(high, fast) 0.8, 0.2, 0.0;
-}
-#CPDS 5
-probability (robot_feedback | user_action) {
-  (correct) 0.5, 0.5;
-  (wrong) 0.5, 0.5;
-  (timeout) 0.5, 0.5;
-}
-#CPDS 6
-probability (robot_assistance | user_action) {
-  (correct) 0.05 0.1 0.15 0.3 0.4;
-  (wrong) 0.4 0.2 0.2 0.1 0.1;
-  (timeout) 0.4 0.2 0.2 0.1 0.1;
-}
-#CPDS 2
-probability (game_state | user_action)  {
-   (correct) 0.2, 0.4, 0.4;
-   (wrong) 0.4, 0.4, 0.2;
-   (timeout) 0.6, 0.3, 0.1;
-}
-#CPDS 0
-probability (attempt | user_action)  {
-   (correct) 0.1, 0.2, 0.3, 0.4;
-   (wrong) 0.7, 0.2, 0.1, 0.0;
-   (timeout) 0.6, 0.3, 0.1, 0.0;
-}
-#CPDS 5
-probability (robot_assistance | robot_feedback) {
-  (yes) 0.5 0.3 0.1 0.1 0.0;
-  (no) 0.0 0.1 0.1 0.3 0.5;
-}
\ No newline at end of file