diff --git a/appmain/stream/IOUtils.java b/appmain/stream/IOUtils.java
deleted file mode 100644
index 4caffdd..0000000
--- a/appmain/stream/IOUtils.java
+++ /dev/null
@@ -1,31 +0,0 @@
-package com.proxgrind.chameleon.utils.stream;
-
-import androidx.annotation.Nullable;
-
-import java.io.Closeable;
-import java.io.Flushable;
-import java.io.IOException;
-
-public class IOUtils {
-    public static boolean close(@Nullable Closeable closeable) {
-        if (closeable == null) return false;
-        try {
-            closeable.close();
-            return true;
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        return false;
-    }
-
-    public static boolean flush(@Nullable Flushable flushable) {
-        if (flushable == null) return false;
-        try {
-            flushable.flush();
-            return true;
-        } catch (IOException e) {
-            e.printStackTrace();
-            return false;
-        }
-    }
-}