diff --git a/TMessagesProj/build.gradle b/TMessagesProj/build.gradle
index 1bba20f2b..ba7620ac8 100644
--- a/TMessagesProj/build.gradle
+++ b/TMessagesProj/build.gradle
@@ -165,14 +165,14 @@ android {
     }
 
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_11
+        targetCompatibility JavaVersion.VERSION_11
 
         coreLibraryDesugaringEnabled true
     }
 
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_1_8.toString()
+        jvmTarget = JavaVersion.VERSION_11.toString()
     }
 
     testOptions {
diff --git a/TMessagesProj/src/main/java/java/nio/charset/StandardCharsets.java b/TMessagesProj/src/main/java/java/nio/charset/StandardCharsets.java
deleted file mode 100644
index b2572c361..000000000
--- a/TMessagesProj/src/main/java/java/nio/charset/StandardCharsets.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-package java.nio.charset;
-
-/**
- * Constant definitions for the standard {@link Charset Charsets}. These
- * charsets are guaranteed to be available on every implementation of the Java
- * platform.
- *
- * @see <a href="Charset#standard">Standard Charsets</a>
- * @since 1.7
- */
-public final class StandardCharsets {
-
-    private StandardCharsets() {
-        throw new AssertionError("No java.nio.charset.StandardCharsets instances for you!");
-    }
-    /**
-     * Seven-bit ASCII, a.k.a. ISO646-US, a.k.a. the Basic Latin block of the
-     * Unicode character set
-     */
-    public static final Charset US_ASCII = Charset.forName("US-ASCII");
-    /**
-     * ISO Latin Alphabet No. 1, a.k.a. ISO-LATIN-1
-     */
-    public static final Charset ISO_8859_1 = Charset.forName("ISO-8859-1");
-    /**
-     * Eight-bit UCS Transformation Format
-     */
-    public static final Charset UTF_8 = Charset.forName("UTF-8");
-    /**
-     * Sixteen-bit UCS Transformation Format, big-endian byte order
-     */
-    public static final Charset UTF_16BE = Charset.forName("UTF-16BE");
-    /**
-     * Sixteen-bit UCS Transformation Format, little-endian byte order
-     */
-    public static final Charset UTF_16LE = Charset.forName("UTF-16LE");
-    /**
-     * Sixteen-bit UCS Transformation Format, byte order identified by an
-     * optional byte-order mark
-     */
-    public static final Charset UTF_16 = Charset.forName("UTF-16");
-}
diff --git a/TMessagesProj/src/main/java/java/nio/file/Path.java b/TMessagesProj/src/main/java/java/nio/file/Path.java
deleted file mode 100644
index 1290850cf..000000000
--- a/TMessagesProj/src/main/java/java/nio/file/Path.java
+++ /dev/null
@@ -1,3 +0,0 @@
-package java.nio.file;
-
-public interface Path {}