Remove useless returns.
diff --git a/src/main/java/org/apache/commons/net/ftp/FTPSTrustManager.java b/src/main/java/org/apache/commons/net/ftp/FTPSTrustManager.java
index c95b5f9..60136bf 100644
--- a/src/main/java/org/apache/commons/net/ftp/FTPSTrustManager.java
+++ b/src/main/java/org/apache/commons/net/ftp/FTPSTrustManager.java
@@ -40,7 +40,6 @@
     @Override
     public void checkClientTrusted(final X509Certificate[] certificates, final String authType)
     {
-        return;
     }
 
     @Override
diff --git a/src/main/java/org/apache/commons/net/io/DotTerminatedMessageWriter.java b/src/main/java/org/apache/commons/net/io/DotTerminatedMessageWriter.java
index 3a24448..1e98204 100644
--- a/src/main/java/org/apache/commons/net/io/DotTerminatedMessageWriter.java
+++ b/src/main/java/org/apache/commons/net/io/DotTerminatedMessageWriter.java
@@ -98,7 +98,6 @@
             default:
                 state = NOTHING_SPECIAL_STATE;
                 output.write(ch);
-                return ;
             }
         }
     }
diff --git a/src/main/java/org/apache/commons/net/io/ToNetASCIIOutputStream.java b/src/main/java/org/apache/commons/net/io/ToNetASCIIOutputStream.java
index b75b512..fefb0c7 100644
--- a/src/main/java/org/apache/commons/net/io/ToNetASCIIOutputStream.java
+++ b/src/main/java/org/apache/commons/net/io/ToNetASCIIOutputStream.java
@@ -78,7 +78,6 @@
         default:
             lastWasCR = false;
             out.write(ch);
-            return ;
         }
     }
 
diff --git a/src/main/java/org/apache/commons/net/util/TrustManagerUtils.java b/src/main/java/org/apache/commons/net/util/TrustManagerUtils.java
index c1657b3..8755ef6 100644
--- a/src/main/java/org/apache/commons/net/util/TrustManagerUtils.java
+++ b/src/main/java/org/apache/commons/net/util/TrustManagerUtils.java
@@ -48,7 +48,6 @@
         @Override
         public void checkClientTrusted(final X509Certificate[] certificates, final String authType)
         {
-            return;
         }
 
         @Override