diff --git a/src/main/java/net/schmizz/sshj/userauth/keyprovider/FileKeyProvider.java b/src/main/java/net/schmizz/sshj/userauth/keyprovider/FileKeyProvider.java
index 8f4183c2..ad8a7739 100644
--- a/src/main/java/net/schmizz/sshj/userauth/keyprovider/FileKeyProvider.java
+++ b/src/main/java/net/schmizz/sshj/userauth/keyprovider/FileKeyProvider.java
@@ -18,6 +18,7 @@ package net.schmizz.sshj.userauth.keyprovider;
 import net.schmizz.sshj.userauth.password.PasswordFinder;
 
 import java.io.File;
+import java.io.Reader;
 
 /** A file key provider is initialized with a location of */
 public interface FileKeyProvider
@@ -27,6 +28,10 @@ public interface FileKeyProvider
 
     void init(File location, PasswordFinder pwdf);
 
+    void init(Reader location);
+
+    void init(Reader location, PasswordFinder pwdf);
+
     void init(String privateKey, String publicKey);
 
     void init(String privateKey, String publicKey, PasswordFinder pwdf);
diff --git a/src/main/java/net/schmizz/sshj/userauth/keyprovider/OpenSSHKeyFile.java b/src/main/java/net/schmizz/sshj/userauth/keyprovider/OpenSSHKeyFile.java
index 19d2c733..5e0b615a 100644
--- a/src/main/java/net/schmizz/sshj/userauth/keyprovider/OpenSSHKeyFile.java
+++ b/src/main/java/net/schmizz/sshj/userauth/keyprovider/OpenSSHKeyFile.java
@@ -39,10 +39,10 @@ public class OpenSSHKeyFile
         extends PKCS8KeyFile {
 
     public static class Factory
-            implements net.schmizz.sshj.common.Factory.Named<KeyProvider> {
+            implements net.schmizz.sshj.common.Factory.Named<FileKeyProvider> {
 
         @Override
-        public KeyProvider create() {
+        public FileKeyProvider create() {
             return new OpenSSHKeyFile();
         }
 
diff --git a/src/main/java/net/schmizz/sshj/userauth/keyprovider/PKCS8KeyFile.java b/src/main/java/net/schmizz/sshj/userauth/keyprovider/PKCS8KeyFile.java
index ce7d8833..e2f64210 100644
--- a/src/main/java/net/schmizz/sshj/userauth/keyprovider/PKCS8KeyFile.java
+++ b/src/main/java/net/schmizz/sshj/userauth/keyprovider/PKCS8KeyFile.java
@@ -43,13 +43,13 @@ import org.slf4j.LoggerFactory;
 
 /** Represents a PKCS8-encoded key file. This is the format used by OpenSSH and OpenSSL. */
 public class PKCS8KeyFile
-        implements FileKeyProvider, ReaderKeyProvider {
+        implements FileKeyProvider {
 
     public static class Factory
-            implements net.schmizz.sshj.common.Factory.Named<KeyProvider> {
+            implements net.schmizz.sshj.common.Factory.Named<FileKeyProvider> {
 
         @Override
-        public KeyProvider create() {
+        public FileKeyProvider create() {
             return new PKCS8KeyFile();
         }
 
diff --git a/src/main/java/net/schmizz/sshj/userauth/keyprovider/ReaderKeyProvider.java b/src/main/java/net/schmizz/sshj/userauth/keyprovider/ReaderKeyProvider.java
deleted file mode 100644
index abf4f8f5..00000000
--- a/src/main/java/net/schmizz/sshj/userauth/keyprovider/ReaderKeyProvider.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package net.schmizz.sshj.userauth.keyprovider;
-
-import java.io.Reader;
-
-import net.schmizz.sshj.userauth.password.PasswordFinder;
-
-/**
- * @version $Id:$
- */
-public interface ReaderKeyProvider extends KeyProvider {
-
-    void init(Reader location);
-
-    void init(Reader location, PasswordFinder pwdf);
-}