diff --git a/include/dataAcquisition.h b/include/dataAcquisition.h
index 134e304..8efb0c4 100644
--- a/include/dataAcquisition.h
+++ b/include/dataAcquisition.h
@@ -5,25 +5,14 @@
 #include <math.h>
 #include <stdlib.h>
 
-// Struttura per la gestione dei dati di acquisizione
-typedef struct {
-    int sensorsNumber;
-    int slidingWindowSize;
-} dataAcquisition;
-
-// Funzioni per la gestione dei dati di acquisizione
 void initializeReadings();
 void freeReadings();
 
-// Funzioni getter
 int getSensorsNumber();
 int getSlidingWindowSize();
 bool isFull(int sensorIndex);
 
-// Funzioni setter
 void addReading(float value, int sensorIndex);
-void setSensorsNumber(int number);
-void setSlidingWindowSize(int size);
 
 float getAverageOnSensor(int sensorIndex);
 float getAverageOnAllSensors();
diff --git a/libraries/dataAcquisition.c b/libraries/dataAcquisition.c
index db4c99b..87e6d1f 100644
--- a/libraries/dataAcquisition.c
+++ b/libraries/dataAcquisition.c
@@ -4,11 +4,19 @@
 #include <math.h>
 
 // Variable definition
-
 static float **readings;
+static int sensorsNumber;
+static int slidingWindowSize;
+
+
+static void setSensorsNumber(int number) {
+    sensorsNumber = number;
+}
+
+static void setSlidingWindowSize(int size) {
+    slidingWindowSize = size;
+}
 
-int sensorsNumber;
-int slidingWindowSize;
 void initializeReadings(int numSensors, int windowSize) {
     readings = (float **)malloc(numSensors * sizeof(float *));
     if (readings == NULL) {
@@ -22,7 +30,7 @@ void initializeReadings(int numSensors, int windowSize) {
             exit(EXIT_FAILURE);
         }
     }
-    // Assign sensorsNumber and slidingWindowSize
+    // Chiamate private ai setter
     setSensorsNumber(numSensors);
     setSlidingWindowSize(windowSize);
 }
@@ -34,13 +42,6 @@ void freeReadings() {
     free(readings);
 }
 
-typedef struct
-{
-    int sensorsNumber;
-    int slidingWindowSize;
-} dataAcquisition;
-
-
 // Functions
 
 // Get the number of sensors
@@ -53,16 +54,6 @@ int getSlidingWindowSize() {
     return slidingWindowSize;
 }
 
-// Set the number of sensors
-void setSensorsNumber(int number) {
-    sensorsNumber = number;
-}
-
-// Set the sliding window size
-void setSlidingWindowSize(int size) {
-    slidingWindowSize = size;
-}
-
 // Control on the fullness of the sliding window
 bool isFull(int sensorIndex) {
     for (int i = 0; i < slidingWindowSize; i++) {
diff --git a/test/test_dataAcquisition.c b/test/test_dataAcquisition.c
index 1cfeb6b..d8227a2 100644
--- a/test/test_dataAcquisition.c
+++ b/test/test_dataAcquisition.c
@@ -11,7 +11,6 @@ void test_initializeReadings() {
 
 
 int main() {
-    printf("Running tests...\n");
     test_initializeReadings();
     return 0;
 }
\ No newline at end of file