diff --git a/src/main/java/net/schmizz/sshj/SSHClient.java b/src/main/java/net/schmizz/sshj/SSHClient.java
index ba212368..fed72813 100644
--- a/src/main/java/net/schmizz/sshj/SSHClient.java
+++ b/src/main/java/net/schmizz/sshj/SSHClient.java
@@ -607,7 +607,7 @@ public class SSHClient
      * @throws TransportException     if an error occurs during renegotiation
      */
     public void useCompression()
-            throws ClassNotFoundException, TransportException {
+            throws TransportException {
         trans.getConfig().setCompressionFactories(Arrays.asList(
                 new DelayedZlibCompression.Factory(),
                 new ZlibCompression.Factory(),
diff --git a/src/main/java/net/schmizz/sshj/connection/channel/Window.java b/src/main/java/net/schmizz/sshj/connection/channel/Window.java
index 94ffdf35..fbe8ed01 100644
--- a/src/main/java/net/schmizz/sshj/connection/channel/Window.java
+++ b/src/main/java/net/schmizz/sshj/connection/channel/Window.java
@@ -17,7 +17,6 @@ package net.schmizz.sshj.connection.channel;
 
 import net.schmizz.sshj.common.SSHRuntimeException;
 import net.schmizz.sshj.connection.ConnectionException;
-import net.schmizz.sshj.transport.TransportException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -105,8 +104,7 @@ public abstract class Window {
             threshold = Math.min(maxPacketSize * 20, initialSize / 4);
         }
 
-        public int neededAdjustment()
-                throws TransportException {
+        public int neededAdjustment() {
             synchronized (lock) {
                 return (size - threshold <= 0) ? (initialSize - size) : 0;
             }
diff --git a/src/main/java/net/schmizz/sshj/connection/channel/forwarded/RemotePortForwarder.java b/src/main/java/net/schmizz/sshj/connection/channel/forwarded/RemotePortForwarder.java
index 9e9bac5f..63367c5f 100644
--- a/src/main/java/net/schmizz/sshj/connection/channel/forwarded/RemotePortForwarder.java
+++ b/src/main/java/net/schmizz/sshj/connection/channel/forwarded/RemotePortForwarder.java
@@ -128,13 +128,12 @@ public class RemotePortForwarder
         private final Forward fwd;
 
         public ForwardedTCPIPChannel(Connection conn, int recipient, int remoteWinSize, int remoteMaxPacketSize,
-                                     Forward fwd, String origIP, int origPort)
-                throws TransportException {
+                                     Forward fwd, String origIP, int origPort) {
             super(conn, TYPE, recipient, remoteWinSize, remoteMaxPacketSize, origIP, origPort);
             this.fwd = fwd;
         }
 
-        /** Returns the forwarding from which this channel originates. */
+        /** @return the forwarding from which this channel originates. */
         public Forward getParentForward() {
             return fwd;
         }
diff --git a/src/main/java/net/schmizz/sshj/transport/verification/ConsoleKnownHostsVerifier.java b/src/main/java/net/schmizz/sshj/transport/verification/ConsoleKnownHostsVerifier.java
index 237ae3db..af918748 100644
--- a/src/main/java/net/schmizz/sshj/transport/verification/ConsoleKnownHostsVerifier.java
+++ b/src/main/java/net/schmizz/sshj/transport/verification/ConsoleKnownHostsVerifier.java
@@ -60,8 +60,7 @@ public class ConsoleKnownHostsVerifier
     }
 
     @Override
-    protected boolean hostKeyChangedAction(Entry entry, String hostname, PublicKey key)
-            throws IOException {
+    protected boolean hostKeyChangedAction(Entry entry, String hostname, PublicKey key) {
         final KeyType type = KeyType.fromKey(key);
         final String fp = SecurityUtils.getFingerprint(key);
         final String path = getFile().getAbsolutePath();
diff --git a/src/main/java/net/schmizz/sshj/transport/verification/OpenSSHKnownHosts.java b/src/main/java/net/schmizz/sshj/transport/verification/OpenSSHKnownHosts.java
index c75262b3..184a77e4 100644
--- a/src/main/java/net/schmizz/sshj/transport/verification/OpenSSHKnownHosts.java
+++ b/src/main/java/net/schmizz/sshj/transport/verification/OpenSSHKnownHosts.java
@@ -204,8 +204,7 @@ public class OpenSSHKnownHosts
             return saltyBytes;
         }
 
-        private String getSalt()
-                throws IOException {
+        private String getSalt() {
             if (salt == null) {
                 salt = Base64.encodeBytes(saltyBytes);
             }
@@ -269,8 +268,7 @@ public class OpenSSHKnownHosts
         return false;
     }
 
-    protected boolean hostKeyChangedAction(Entry entry, String hostname, PublicKey key)
-            throws IOException {
+    protected boolean hostKeyChangedAction(Entry entry, String hostname, PublicKey key) {
         log.warn("Host key for `{}` has changed!", hostname);
         return false;
     }