diff --git a/core-java-modules/core-java-uuid/pom.xml b/core-java-modules/core-java-uuid/pom.xml
index eb40951929..76154033c2 100644
--- a/core-java-modules/core-java-uuid/pom.xml
+++ b/core-java-modules/core-java-uuid/pom.xml
@@ -89,7 +89,7 @@
                     <source>${source.version}</source>
                     <target>${target.version}</target>
                 </configuration>
-            </plugin><plugin><groupId>org.apache.maven.plugins</groupId><artifactId>maven-compiler-plugin</artifactId><configuration><source>8</source><target>8</target></configuration></plugin>
+            </plugin>
         </plugins>
     </build>
 
diff --git a/core-java-modules/core-java-uuid/src/test/java/com/baeldung/uuid/UUIDPositiveLongGeneratorUnitTest.java b/core-java-modules/core-java-uuid/src/test/java/com/baeldung/uuid/UUIDPositiveLongGeneratorUnitTest.java
index af13fc2c1c..9cbc7b29b2 100644
--- a/core-java-modules/core-java-uuid/src/test/java/com/baeldung/uuid/UUIDPositiveLongGeneratorUnitTest.java
+++ b/core-java-modules/core-java-uuid/src/test/java/com/baeldung/uuid/UUIDPositiveLongGeneratorUnitTest.java
@@ -11,13 +11,12 @@ public class UUIDPositiveLongGeneratorUnitTest {
     @Test
     public void whenGetMostSignificantBits_thenAssertPositive() {
         long randomPositiveLong = Math.abs(UUID.randomUUID().getMostSignificantBits());
-        assertThat(randomPositiveLong).isPositive();
+        assertThat(randomPositiveLong).isNotNegative();
     }
 
     @Test
     public void whenGetLeastSignificantBits_thenAssertPositive() {
         long randomPositiveLong = Math.abs(UUID.randomUUID().getLeastSignificantBits());
-        assertThat(randomPositiveLong).isPositive();
+        assertThat(randomPositiveLong).isNotNegative();
     }
-
 }