diff --git a/src/main/java/com/hierynomus/sshj/signature/SignatureEdDSA.java b/src/main/java/com/hierynomus/sshj/signature/SignatureEdDSA.java
index fb0e9ad7..726e1b0f 100644
--- a/src/main/java/com/hierynomus/sshj/signature/SignatureEdDSA.java
+++ b/src/main/java/com/hierynomus/sshj/signature/SignatureEdDSA.java
@@ -47,21 +47,6 @@ public class SignatureEdDSA implements Signature {
         }
     }
 
-    @Override
-    public void init(PublicKey pubkey, PrivateKey prvkey) {
-        try {
-            if (pubkey != null) {
-                engine.initVerify(pubkey);
-            }
-
-            if (prvkey != null) {
-                engine.initSign(prvkey);
-            }
-        } catch (InvalidKeyException e) {
-            throw new SSHRuntimeException(e);
-        }
-    }
-
     @Override
     public void initVerify(PublicKey pubkey) {
         try {
diff --git a/src/main/java/net/schmizz/sshj/signature/AbstractSignature.java b/src/main/java/net/schmizz/sshj/signature/AbstractSignature.java
index 5365e181..2e47c36d 100644
--- a/src/main/java/net/schmizz/sshj/signature/AbstractSignature.java
+++ b/src/main/java/net/schmizz/sshj/signature/AbstractSignature.java
@@ -34,19 +34,6 @@ public abstract class AbstractSignature
         this.algorithm = algorithm;
     }
 
-    @Override
-    public void init(PublicKey publicKey, PrivateKey privateKey) {
-        try {
-            signature = SecurityUtils.getSignature(algorithm);
-            if (publicKey != null)
-                signature.initVerify(publicKey);
-            if (privateKey != null)
-                signature.initSign(privateKey);
-        } catch (GeneralSecurityException e) {
-            throw new SSHRuntimeException(e);
-        }
-    }
-
     @Override
     public void initVerify(PublicKey publicKey) {
         try {
diff --git a/src/main/java/net/schmizz/sshj/signature/Signature.java b/src/main/java/net/schmizz/sshj/signature/Signature.java
index e16c1101..6ad1ac45 100644
--- a/src/main/java/net/schmizz/sshj/signature/Signature.java
+++ b/src/main/java/net/schmizz/sshj/signature/Signature.java
@@ -21,17 +21,6 @@ import java.security.PublicKey;
 /** Signature interface for SSH used to sign or verify data. Usually wraps a {@code javax.crypto.Signature} object. */
 public interface Signature {
 
-    /**
-     * Initialize this signature with the given public key and private key. If the private key is null, only signature
-     * verification can be performed.
-     *
-     * @param pubkey (null-ok) specify in case verification is needed
-     * @param prvkey (null-ok) specify in case signing is needed
-     * @deprecated Use {@link #initVerify(PublicKey)} or {@link #initSign(PrivateKey)} instead.
-     */
-    @Deprecated
-    void init(PublicKey pubkey, PrivateKey prvkey);
-
     /**
      * Initialize this signature with the given public key for signature verification.
      *