diff --git a/src/classes/GenerateData.java b/src/classes/GenerateData.java
deleted file mode 100644
index 9ca60d9..0000000
--- a/src/classes/GenerateData.java
+++ /dev/null
@@ -1,56 +0,0 @@
-package classes;
-
-import port.PortReader;
-
-import java.util.ArrayList;
-import java.util.Random;
-
-public class GenerateData {
-
-    private boolean stop=false;
-    Random generator = new Random();
-
-    private static volatile GenerateData GenerateINSTANCE;
-
-    public boolean stopGenerating(){
-        return stop=true;
-
-    }
-    public static GenerateData getInstance() {
-        if (null == GenerateINSTANCE) {
-            synchronized (GenerateData.class) {
-                if (null == GenerateINSTANCE) {
-                    GenerateINSTANCE = new GenerateData();
-                }
-            }
-        }
-        return GenerateINSTANCE;
-    }
-
-    private void generateData() throws InterruptedException {
-        ArrayList<Integer> data=new ArrayList<>();
-        data.clear();
-
-        for(int i=0; i<8;i++){
-            data.add(generator.nextInt(100));
-        }
-        Frame frame=new Frame(data);
-        PortReader.getInstance().getFrameBuffer().put(frame);
-    }
-    public void startGenerating(){
-        Thread generateThread=new Thread(()->{
-
-            while(!stop) {
-                try {
-                    generateData();
-                    wait(1000);
-                }
-                catch (Exception e) {
-                    break;
-                }
-            }
-        });
-        generateThread.start();
-
-    }
-}
diff --git a/src/mainwindow/Chart.java b/src/mainwindow/Chart.java
index ab2ba28..80892db 100644
--- a/src/mainwindow/Chart.java
+++ b/src/mainwindow/Chart.java
@@ -1,17 +1,13 @@
 package mainwindow;
 
 import classes.DateAxis;
-import classes.GenerateData;
-import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
 import javafx.scene.chart.*;
 import javafx.scene.control.CheckBox;
 import javafx.scene.control.ChoiceBox;
-import plot.Plot;
 
 import java.net.URL;
-import java.util.Calendar;
 import java.util.Date;
 import java.util.ResourceBundle;
 
@@ -73,10 +69,4 @@ public void initialize(URL location, ResourceBundle resources) {
 
     }
 
-    public void onGenerateData(ActionEvent actionEvent) {
-        //Do usuniecia
-        GenerateData.getInstance().startGenerating();
-        Plot.getInstance().startPlotting();
-        //Koniec
-    }
 }
\ No newline at end of file
diff --git a/src/mainwindow/chart.fxml b/src/mainwindow/chart.fxml
index 1a605d7..a8775fa 100644
--- a/src/mainwindow/chart.fxml
+++ b/src/mainwindow/chart.fxml
@@ -58,7 +58,6 @@
     <bottom>
         <HBox spacing="10.0" styleClass="background">
            <children>
-               <Button onAction="#onGenerateData" />
                <Label text="Show data from last:" />
             <ChoiceBox prefWidth="150.0" fx:id="timeBox" />
            </children>