diff --git a/web.cpp b/web.cpp
index b9160eef6188982e9888089a8d48e48f553d18e7..6c6a46448014bc82a3591b725f3d23c2d1a4390f 100644
--- a/web.cpp
+++ b/web.cpp
@@ -148,7 +148,7 @@ void stop_syringe_pump_callback (Control* sender, int value, void* param)
 -Return   : /
 -Action   : Linking the switch of the syringe pump status and the actions.
 ***/
-{
+{(void)param; //Avoid the unused Warning
     syringe_pump_off();
 
     Serial.println("Syringe_pump stopped");
@@ -163,7 +163,7 @@ void syringe_filled_placement_callback (Control* sender, int value, void* param)
 -Return   : /
 -Action   : Linking the switch of the syringe filled status(placed or not) and the actions.
 ***/
-{
+{(void)param; //Avoid the unused Warning
     switch (value)
     {
     case S_ACTIVE:
@@ -337,7 +337,7 @@ void volume_exchange_mL_callback (Control* sender, int value, void* param)
 -Return   : /
 -Action   : Enable to choose the volume that woud be exchanged.
 ***/
-{
+{(void)param; //Avoid the unused Warning
     syringe_filled.set_exchange_volume_mL(atof(sender->value.c_str()));
     syringe_filled.write_Json ();
 
@@ -357,7 +357,7 @@ void exchange_throughtput_uL_per_sec_callback (Control* sender, int value, void*
 -Return   : /
 -Action   : Enable to choose the volume that woud be exchanged.
 ***/
-{
+{(void)param; //Avoid the unused Warning
     syringe_filled.set_exchange_throughput_uL_per_sec(atof(sender->value.c_str()));
     syringe_filled.write_Json ();
 
@@ -379,7 +379,7 @@ void switch_push_pull_choice_callback (Control* sender, int value, void* param)
 -Action   : Change the label_push_pull_choice to display the choice.
             Change the style of the controller involved.
 ***/
-{
+{(void)param; //Avoid the unused Warning
 
     switch (value)
     {
@@ -432,7 +432,7 @@ void remaining_volume_mL_callback (Control* sender, int value, void* param)
 -Return   : /
 -Action   : Linking the display with the current volume remaining.
 ***/
-{
+{(void)param; //Avoid the unused Warning
     ESPUI.updateSlider(remaining_volume_mL, syringe_filled.get_remaining_volume_mL());
 }
 
@@ -443,13 +443,13 @@ void remaining_time_sec_callback (Control* sender, int value, void* param)
 -Return   : /
 -Action   : Linking the display with the current time remaining for the exchange.
 ***/
-{
+{(void)param; //Avoid the unused Warning
     float remaining_time_sec_value = syringe_filled.get_remaining_volume_mL()/syringe_filled.get_exchange_throughput_uL_per_sec();
     ESPUI.updateSlider(remaining_time_sec, remaining_time_sec_value);
 }
 
 void start_exchange_callback (Control* sender, int value, void* param)
-{
+{(void)param; //Avoid the unused Warning
     syringe_pump_on();
 
     Serial.println("Exchange start");
@@ -461,7 +461,7 @@ void start_exchange_callback (Control* sender, int value, void* param)
 
 
 void initial_volume_mL_callback (Control* sender, int value, void* param)
-{
+{(void)param; //Avoid the unused Warning
     syringe_filled.set_remaining_volume_mL((sender->value).toFloat());
 
     Serial.println("syringe_initial_volume (sender->value)");
@@ -481,7 +481,7 @@ void choose_syringe_callback (Control* sender, int value, void* param)
 -Return   : /
 -Action   : Print the value of the button state via the serial port.
 ***/
-{
+{(void)param; //Avoid the unused Warning
     switch (value)
     {
     case B_DOWN:
@@ -568,7 +568,7 @@ void add_syringe_callback (Control* sender, int value,  void* param)
 -Action   : Print the value of the button state via the serial port.
             Enable to save data in the syringe_json file.
 ***/
-{
+{(void)param; //Avoid the unused Warning
     switch (value)
     {
     case B_DOWN: