diff --git a/core-java-modules/core-java-numbers-7/src/test/java/com/baeldung/complexnumbers/ComplexNumberAddMultiplyUnitTest.java b/core-java-modules/core-java-numbers-7/src/test/java/com/baeldung/complexnumbers/ComplexNumberAddMultiplyUnitTest.java
index b8d6b3266b..41864d6c86 100644
--- a/core-java-modules/core-java-numbers-7/src/test/java/com/baeldung/complexnumbers/ComplexNumberAddMultiplyUnitTest.java
+++ b/core-java-modules/core-java-numbers-7/src/test/java/com/baeldung/complexnumbers/ComplexNumberAddMultiplyUnitTest.java
@@ -1,13 +1,9 @@
 package com.baeldung.complexnumbers;
 
 import org.junit.jupiter.api.Assertions;
-import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.CsvSource;
 
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
 class ComplexNumber {
     public long real;
     public long imaginary;