diff --git a/Readme.md b/Readme.md
index 91522a6..d9422ad 100644
--- a/Readme.md
+++ b/Readme.md
@@ -43,9 +43,6 @@ If file overtime.txt does not exist, then the default overtime is 0:00.
 ### test.txt
 If file test.txt exists, then user is not asked for start time and overtime. Instead, the values in files starttime.txt and overtime.txt are used.
 
-### focus.txt
-Requests focus for the window.
-
 ## Key shortcuts
 
 ## Command button
diff --git a/src/main/java/org/nanoboot/utils/timecalc/gui/progress/Battery.java b/src/main/java/org/nanoboot/utils/timecalc/gui/progress/Battery.java
index edf04d6..b7d45a9 100644
--- a/src/main/java/org/nanoboot/utils/timecalc/gui/progress/Battery.java
+++ b/src/main/java/org/nanoboot/utils/timecalc/gui/progress/Battery.java
@@ -59,7 +59,6 @@ public class Battery extends Widget {
         }
         if(donePercent > 0 && donePercent < CRITICAL_LOW_ENERGY && (System.nanoTime() - tmpNanoTime) > (500000000l) / 2l) {
             blinking.flip();
-            System.out.println(getName() + "donePercent=" + donePercent);
             tmpNanoTime = System.nanoTime();
         }
         if(donePercent <= 0 && blinking.get()){
diff --git a/src/main/java/org/nanoboot/utils/timecalc/main/TimeCalcManager.java b/src/main/java/org/nanoboot/utils/timecalc/main/TimeCalcManager.java
index ed1de67..3af1acb 100644
--- a/src/main/java/org/nanoboot/utils/timecalc/main/TimeCalcManager.java
+++ b/src/main/java/org/nanoboot/utils/timecalc/main/TimeCalcManager.java
@@ -32,8 +32,6 @@ import java.time.LocalDateTime;
 import java.util.Calendar;
 import java.util.Date;
 
-import static org.nanoboot.utils.timecalc.utils.FileConstants.FOCUS_TXT;
-
 /**
  * @author pc00289
  * @since 08.02.2024
@@ -73,7 +71,6 @@ public class TimeCalcManager {
 
         TimeCalcWindow window = new TimeCalcWindow();
 
-        TimeCalcButton focusButton = new TimeCalcButton("Focus");
         TimeCalcButton commandButton = new TimeCalcButton("Command");
         TimeCalcButton weatherButton = new TimeCalcButton("Weather");
         TimeCalcButton jokeButton = new TimeCalcButton("Joke");
@@ -82,7 +79,7 @@ public class TimeCalcManager {
         AboutButton aboutButton = new AboutButton();
 
         //window.add(weatherButton);
-        window.addAll(commandButton, focusButton, jokeButton, restartButton,
+        window.addAll(commandButton, jokeButton, restartButton,
                 exitButton);
         window.addKeyListener(new KeyAdapter() {
             // Key Pressed method
@@ -129,10 +126,6 @@ public class TimeCalcManager {
         aboutButton.setBounds(exitButton.getX(),
                 exitButton.getY() + exitButton.getHeight() + MARGIN);
 
-        focusButton.setBounds(
-                exitButton.getX() + 2 * MARGIN + exitButton.getWidth() + 20,
-                exitButton.getY(), 80, aboutButton.getHeight());
-
         window.setLayout(null);
 
         window.setVisible(true);
@@ -197,9 +190,6 @@ public class TimeCalcManager {
                     }
                 });
 
-        focusButton.addActionListener(e -> {
-            window.requestFocus();
-        });
         jokeButton.addActionListener(e -> {
             for (int i = 1; i <= 1; i++) {
                 Jokes.showRandom();
@@ -295,25 +285,21 @@ public class TimeCalcManager {
                 monthBattery,
                 hourBattery,
                 jokeButton,
-                focusButton,
                 commandButton,
                 restartButton,
                 exitButton
         );
         window.setSize(520 + 20 + 100, exitButton.getY() + 3 * exitButton.getHeight() + MARGIN);
         while (true) {
+            if(Math.random() > 0.95) {
+                window.requestFocus();
+            }
             if (stopBeforeEnd) {
                 window.setVisible(false);
                 window.dispose();
                 break;
             }
 
-            if (Math.random() > 0.9) {
-                if (FOCUS_TXT.exists()) {
-                    window.requestFocus();
-                    FOCUS_TXT.delete();
-                }
-            }
             if (Utils.highlighted.get()) {
                 Utils.ultraLight.set(false);
             }
@@ -321,25 +307,21 @@ public class TimeCalcManager {
             componentRegistry.setVisible(!Utils.everythingHidden.get());
             if (!Utils.highlighted.get() || Utils.ultraLight.get()) {
                 jokeButton.setBackground(BG);
-                focusButton.setBackground(BG);
                 commandButton.setBackground(BG);
                 restartButton.setBackground(BG);
                 exitButton.setBackground(BG);
 
                 jokeButton.setForeground(FG);
-                focusButton.setForeground(FG);
                 commandButton.setForeground(FG);
                 restartButton.setForeground(FG);
                 exitButton.setForeground(FG);
             } else {
                 jokeButton.setOriginalBackground();
-                focusButton.setOriginalBackground();
                 commandButton.setOriginalBackground();
                 restartButton.setOriginalBackground();
                 exitButton.setOriginalBackground();
                 //
                 jokeButton.setOriginalForeground();
-                focusButton.setOriginalForeground();
                 commandButton.setOriginalForeground();
                 restartButton.setOriginalForeground();
                 exitButton.setOriginalForeground();
diff --git a/src/main/java/org/nanoboot/utils/timecalc/utils/FileConstants.java b/src/main/java/org/nanoboot/utils/timecalc/utils/FileConstants.java
index 85c4cd2..ab199fc 100644
--- a/src/main/java/org/nanoboot/utils/timecalc/utils/FileConstants.java
+++ b/src/main/java/org/nanoboot/utils/timecalc/utils/FileConstants.java
@@ -13,5 +13,4 @@ public class FileConstants {
     public static final File STARTTIME_TXT = new File("starttime.txt");
     public static final File OVERTIME_TXT = new File("overtime.txt");
     public static final File TEST_TXT = new File("test.txt");
-    public static final File FOCUS_TXT = new File("focus.txt");
 }