diff --git a/core-java/src/main/java/com/baeldung/temporaladjuster/TemporalAdjusterUtil.java b/core-java/src/main/java/com/baeldung/temporaladjuster/TemporalAdjusterUtil.java
deleted file mode 100644
index 1a1528456e..0000000000
--- a/core-java/src/main/java/com/baeldung/temporaladjuster/TemporalAdjusterUtil.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package com.baeldung.temporaladjuster;
-
-import java.text.SimpleDateFormat;
-import java.util.Calendar;
-
-public class TemporalAdjusterUtil {
-
-    public static Calendar nextDayOfWeek(int dayOfWeek) {
-        Calendar date = Calendar.getInstance();
-        int difference = dayOfWeek - date.get(Calendar.DAY_OF_WEEK);
-        if (!(difference > 0)) {
-            difference += 7;
-        }
-        date.add(Calendar.DAY_OF_MONTH, difference);
-        return date;
-    }
-
-    @SuppressWarnings("static-access")
-    public static String getNextWorkingDay() {
-        Calendar calendar = Calendar.getInstance();
-        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
-        format.setCalendar(calendar);
-        if (calendar.DAY_OF_WEEK == Calendar.FRIDAY)
-            calendar.add(Calendar.DATE, 3);
-        if (calendar.DAY_OF_WEEK == Calendar.SATURDAY)
-            calendar.add(Calendar.DATE, 2);
-        else
-            calendar.add(Calendar.DATE, 1);
-        return format.format(calendar.getTime());
-    }
-}
diff --git a/core-java/src/test/java/com/baeldung/temporaladjusters/CustomTemporalAdjusterTest.java b/core-java/src/test/java/com/baeldung/temporaladjusters/CustomTemporalAdjusterTest.java
index 10dce5c498..a7acc9f743 100644
--- a/core-java/src/test/java/com/baeldung/temporaladjusters/CustomTemporalAdjusterTest.java
+++ b/core-java/src/test/java/com/baeldung/temporaladjusters/CustomTemporalAdjusterTest.java
@@ -1,56 +1,49 @@
 package com.baeldung.temporaladjusters;
 
-import java.text.SimpleDateFormat;
 import java.time.DayOfWeek;
 import java.time.LocalDate;
 import java.time.Period;
 import java.time.temporal.TemporalAdjuster;
 import java.time.temporal.TemporalAdjusters;
-import java.util.Calendar;
 
 import org.junit.Assert;
 import org.junit.Test;
 
 import com.baeldung.temporaladjuster.CustomTemporalAdjuster;
-import com.baeldung.temporaladjuster.TemporalAdjusterUtil;
 
 public class CustomTemporalAdjusterTest {
 
     @Test
     public void whenAdjustAndImplementInterface_thenNextWorkingDay() {
-        LocalDate localDate = LocalDate.now();
+        LocalDate localDate = LocalDate.of(2017, 07, 8);
         CustomTemporalAdjuster temporalAdjuster = new CustomTemporalAdjuster();
         LocalDate nextWorkingDay = localDate.with(temporalAdjuster);
 
-        Assert.assertEquals(TemporalAdjusterUtil.getNextWorkingDay(), nextWorkingDay.toString());
+        Assert.assertEquals("2017-07-10", nextWorkingDay.toString());
     }
-    
+
     @Test
     public void whenAdjust_thenNextWorkingDay() {
-        LocalDate localDate = LocalDate.now();
+        LocalDate localDate = LocalDate.of(2017, 07, 8);
         TemporalAdjuster temporalAdjuster = NEXT_WORKING_DAY;
         LocalDate date = localDate.with(temporalAdjuster);
 
-        Assert.assertEquals(TemporalAdjusterUtil.getNextWorkingDay(), date.toString());
+        Assert.assertEquals("2017-07-10", date.toString());
     }
 
     @Test
-    public void whenAdjust_thenFourteenDaysFromToday() {
-        LocalDate localDate = LocalDate.now();
+    public void whenAdjust_thenFourteenDaysAfterDate() {
+        LocalDate localDate = LocalDate.of(2017, 07, 8);
         TemporalAdjuster temporalAdjuster = (t) -> t.plus(Period.ofDays(14));
         LocalDate result = localDate.with(temporalAdjuster);
 
-        Calendar calendar = Calendar.getInstance();
-        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
-        format.setCalendar(calendar);
-        calendar.add(Calendar.DATE, 14);
-        String fourteenDaysFromToday = format.format(calendar.getTime());
+        String fourteenDaysAfterDate = "2017-07-22";
 
-        Assert.assertEquals(fourteenDaysFromToday, result.toString());
+        Assert.assertEquals(fourteenDaysAfterDate, result.toString());
     }
 
-    static TemporalAdjuster NEXT_WORKING_DAY = TemporalAdjusters.ofDateAdjuster(today -> {
-        DayOfWeek dayOfWeek = today.getDayOfWeek();
+    static TemporalAdjuster NEXT_WORKING_DAY = TemporalAdjusters.ofDateAdjuster(date -> {
+        DayOfWeek dayOfWeek = date.getDayOfWeek();
         int daysToAdd;
         if (dayOfWeek == DayOfWeek.FRIDAY)
             daysToAdd = 3;
@@ -58,6 +51,6 @@ public class CustomTemporalAdjusterTest {
             daysToAdd = 2;
         else
             daysToAdd = 1;
-        return today.plusDays(daysToAdd);
+        return date.plusDays(daysToAdd);
     });
 }
diff --git a/core-java/src/test/java/com/baeldung/temporaladjusters/TemporalAdjustersTest.java b/core-java/src/test/java/com/baeldung/temporaladjusters/TemporalAdjustersTest.java
index f21da5cf75..d06da5a782 100644
--- a/core-java/src/test/java/com/baeldung/temporaladjusters/TemporalAdjustersTest.java
+++ b/core-java/src/test/java/com/baeldung/temporaladjusters/TemporalAdjustersTest.java
@@ -1,29 +1,22 @@
 package com.baeldung.temporaladjusters;
 
-import java.text.SimpleDateFormat;
 import java.time.DayOfWeek;
 import java.time.LocalDate;
 import java.time.temporal.TemporalAdjusters;
-import java.util.Calendar;
 
 import org.junit.Assert;
 import org.junit.Test;
 
-import com.baeldung.temporaladjuster.TemporalAdjusterUtil;
-
 public class TemporalAdjustersTest {
 
     @Test
     public void whenAdjust_thenNextSunday() {
-        LocalDate localDate = LocalDate.now();
+        LocalDate localDate = LocalDate.of(2017, 07, 8);
         LocalDate nextSunday = localDate.with(TemporalAdjusters.next(DayOfWeek.SUNDAY));
 
-        Calendar calendar = TemporalAdjusterUtil.nextDayOfWeek(Calendar.SUNDAY);
-        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
-        format.setCalendar(calendar);
-        String formattedDate = format.format(calendar.getTime());
+        String expected = "2017-07-09";
 
-        Assert.assertEquals(formattedDate, nextSunday.toString());
+        Assert.assertEquals(expected, nextSunday.toString());
     }
 
 }