diff --git a/LaunchServer/source/response/update/UpdateResponse.java b/LaunchServer/source/response/update/UpdateResponse.java
index 6555b95..d549548 100644
--- a/LaunchServer/source/response/update/UpdateResponse.java
+++ b/LaunchServer/source/response/update/UpdateResponse.java
@@ -2,6 +2,7 @@
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.OutputStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Deque;
@@ -47,7 +48,8 @@
         dirStack.add(hdir.object);
 
         // Perform update
-        HOutput fileOutput = server.config.compress ? new HOutput(new DeflaterOutputStream(output.stream, IOHelper.newDeflater(), IOHelper.BUFFER_SIZE, true)) : output;
+        // noinspection IOResourceOpenedButNotSafelyClosed
+        OutputStream fileOutput = server.config.compress ? new DeflaterOutputStream(output.stream, IOHelper.newDeflater(), IOHelper.BUFFER_SIZE, true) : output.stream;
         Action[] actionsSlice = new Action[UpdateRequest.MAX_QUEUE_SIZE];
         loop:
         while (true) {
@@ -86,13 +88,13 @@
                         // Resolve and write file
                         Path file = dir.resolve(action.name);
                         if (Files.size(file) != hFile.size()) {
-                            fileOutput.writeUnsignedByte(0x0);
+                            fileOutput.write(0x0);
                             fileOutput.flush();
                             throw new IOException("Unknown hashed file: " + action.name);
                         }
-                        fileOutput.writeUnsignedByte(0xFF);
+                        fileOutput.write(0xFF);
                         try (InputStream fileInput = IOHelper.newInput(file)) {
-                            IOHelper.transfer(fileInput, fileOutput.stream);
+                            IOHelper.transfer(fileInput, fileOutput);
                         }
                         break;
                     case CD_BACK:
diff --git a/Launcher/source/request/update/UpdateRequest.java b/Launcher/source/request/update/UpdateRequest.java
index 87ba000..e76eb28 100644
--- a/Launcher/source/request/update/UpdateRequest.java
+++ b/Launcher/source/request/update/UpdateRequest.java
@@ -2,6 +2,7 @@
 
 import java.io.EOFException;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.OutputStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -116,7 +117,8 @@
             output.flush();
 
             // Perform actions
-            HInput fileInput = compress ? new HInput(new InflaterInputStream(input.stream, IOHelper.newInflater(), IOHelper.BUFFER_SIZE)) : input;
+            // noinspection IOResourceOpenedButNotSafelyClosed
+            InputStream fileInput = compress ? new InflaterInputStream(input.stream, IOHelper.newInflater(), IOHelper.BUFFER_SIZE) : input.stream;
             for (int i = 0; i < length; i++) {
                 Action action = actionsSlice[i];
                 switch (action.type) {
@@ -126,7 +128,7 @@
                         break;
                     case GET:
                         Path targetFile = currentDir.resolve(action.name);
-                        if (fileInput.readUnsignedByte() != 0xFF) {
+                        if (fileInput.read() != 0xFF) {
                             throw new IOException("Serverside cached size mismath for file " + action.name);
                         }
                         downloadFile(targetFile, (HashedFile) action.entry, fileInput);
@@ -180,7 +182,7 @@
         }
     }
 
-    private void downloadFile(Path file, HashedFile hFile, HInput input) throws IOException {
+    private void downloadFile(Path file, HashedFile hFile, InputStream input) throws IOException {
         String filePath = IOHelper.toString(dir.relativize(file));
         updateState(filePath, 0L, hFile.size);
 
@@ -193,7 +195,7 @@
             byte[] bytes = IOHelper.newBuffer();
             while (downloaded < hFile.size) {
                 int remaining = (int) Math.min(hFile.size - downloaded, bytes.length);
-                int length = input.stream.read(bytes, 0, remaining);
+                int length = input.read(bytes, 0, remaining);
                 if (length < 0) {
                     throw new EOFException(String.format("%d bytes remaining", hFile.size - downloaded));
                 }