diff --git a/modules/apps/redirect/redirect-api/src/main/java/com/liferay/redirect/exception/CircularRedirectEntryException.java b/modules/apps/redirect/redirect-api/src/main/java/com/liferay/redirect/exception/CircularRedirectEntryException.java
index 543e3542c5b482..cac4838d678f7d 100644
--- a/modules/apps/redirect/redirect-api/src/main/java/com/liferay/redirect/exception/CircularRedirectEntryException.java
+++ b/modules/apps/redirect/redirect-api/src/main/java/com/liferay/redirect/exception/CircularRedirectEntryException.java
@@ -13,21 +13,6 @@
  */
 public class CircularRedirectEntryException extends PortalException {
 
-	public CircularRedirectEntryException() {
-	}
-
-	public CircularRedirectEntryException(String msg) {
-		super(msg);
-	}
-
-	public CircularRedirectEntryException(String msg, Throwable throwable) {
-		super(msg, throwable);
-	}
-
-	public CircularRedirectEntryException(Throwable throwable) {
-		super(throwable);
-	}
-
 	public static class DestinationURLMustNotBeEqualToSourceURL
 		extends CircularRedirectEntryException {
 
@@ -47,4 +32,19 @@ public static class MustNotFormALoopWithAnotherRedirectEntry
 		extends CircularRedirectEntryException {
 	}
 
+	private CircularRedirectEntryException() {
+	}
+
+	private CircularRedirectEntryException(String msg) {
+		super(msg);
+	}
+
+	private CircularRedirectEntryException(String msg, Throwable throwable) {
+		super(msg, throwable);
+	}
+
+	private CircularRedirectEntryException(Throwable throwable) {
+		super(throwable);
+	}
+
 }
\ No newline at end of file