diff --git a/core-java-modules/core-java-string-algorithms-3/pom.xml b/core-java-modules/core-java-string-algorithms-3/pom.xml
index 1122cbec6d..7d4adeba92 100644
--- a/core-java-modules/core-java-string-algorithms-3/pom.xml
+++ b/core-java-modules/core-java-string-algorithms-3/pom.xml
@@ -23,16 +23,6 @@
             <artifactId>commons-lang3</artifactId>
             <version>${apache-commons-lang3.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.kcthota</groupId>
-            <artifactId>emoji4j</artifactId>
-            <version>6.0</version>
-        </dependency>
-        <dependency>
-            <groupId>com.vdurmont</groupId>
-            <artifactId>emoji-java</artifactId>
-            <version>5.1.1</version>
-        </dependency>
     </dependencies>
 
     <build>
diff --git a/core-java-modules/core-java-string-algorithms/pom.xml b/core-java-modules/core-java-string-algorithms/pom.xml
index 10d28feb2f..ad1124474a 100644
--- a/core-java-modules/core-java-string-algorithms/pom.xml
+++ b/core-java-modules/core-java-string-algorithms/pom.xml
@@ -39,6 +39,11 @@
             <artifactId>emoji-java</artifactId>
             <version>${emoji-java.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.kcthota</groupId>
+            <artifactId>emoji4j</artifactId>
+            <version>6.0</version>
+        </dependency>
     </dependencies>
 
     <build>
@@ -52,6 +57,8 @@
     </build>
 
     <properties>
+        <maven.compiler.source>8</maven.compiler.source>
+        <maven.compiler.target>8</maven.compiler.target>
         <ahocorasick.version>0.4.0</ahocorasick.version>
         <emoji-java.version>4.0.0</emoji-java.version>
     </properties>
diff --git a/core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java b/core-java-modules/core-java-string-algorithms/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
similarity index 100%
rename from core-java-modules/core-java-string-algorithms-3/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java
rename to core-java-modules/core-java-string-algorithms/src/test/java/com/baeldung/findemojis/FindEmojisUnitTest.java