diff --git a/core-java-modules/core-java-networking-3/src/main/java/com/baeldung/portscanner/PortScanner.java b/core-java-modules/core-java-networking-3/src/main/java/com/baeldung/portscanner/PortScanner.java
index 9220472cad..79a961e3fb 100644
--- a/core-java-modules/core-java-networking-3/src/main/java/com/baeldung/portscanner/PortScanner.java
+++ b/core-java-modules/core-java-networking-3/src/main/java/com/baeldung/portscanner/PortScanner.java
@@ -15,7 +15,7 @@ public class PortScanner {
     private static final int poolSize = 10;
     private static final int timeOut = 200;
 
-    public void runPortScan(String ip, int nbrPortMaxToScan) throws IOException, RuntimeException {
+    public void runPortScan(String ip, int nbrPortMaxToScan) throws IOException {
         ConcurrentLinkedQueue openPorts = new ConcurrentLinkedQueue<>();
         ExecutorService executorService = Executors.newFixedThreadPool(poolSize);
         AtomicInteger port = new AtomicInteger(0);
diff --git a/core-java-modules/core-java-networking-3/src/test/java/com/baeldung/portScanner/PortScannerUnitTest.java b/core-java-modules/core-java-networking-3/src/test/java/com/baeldung/portScanner/PortScannerUnitTest.java
index 2fc4ff7550..85d9114f20 100644
--- a/core-java-modules/core-java-networking-3/src/test/java/com/baeldung/portScanner/PortScannerUnitTest.java
+++ b/core-java-modules/core-java-networking-3/src/test/java/com/baeldung/portScanner/PortScannerUnitTest.java
@@ -11,7 +11,7 @@ class PortScannerUnitTest {
     private static final String ip = "127.0.0.1";
     PortScanner portScanner = new PortScanner();
 
-    @Test public void when_Run_then_lunchPortScan() throws IOException, RuntimeException {
+    @Test public void when_Run_then_lunchPortScan() throws IOException {
         portScanner.runPortScan(ip, nbrPortMax);
     }
 }