diff --git a/Sources/ApexyURLSession/Helpers/AsyncAwaitHelper.swift b/Sources/ApexyURLSession/Helpers/AsyncAwaitHelper.swift
deleted file mode 100644
index 71211ba..0000000
--- a/Sources/ApexyURLSession/Helpers/AsyncAwaitHelper.swift
+++ /dev/null
@@ -1,24 +0,0 @@
-import Foundation
-
-@available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *)
-enum AsyncAwaitHelper {
-    
-    enum AsyncError: Error, Equatable {
-        case cancelledBeforeStart
-    }
-    
-    public typealias ContentContinuation<T> = CheckedContinuation<T, Error>
-
-    public static func adaptToAsync<T>(dataTaskClosure: (ContentContinuation<T>) -> Progress) async throws -> T {
-        let progressWrapper = ProgressWrapper()
-        return try await withTaskCancellationHandler(handler: {
-            progressWrapper.cancel()
-        }, operation: {
-            try Task.checkCancellation()
-            return try await withCheckedThrowingContinuation { (continuation: ContentContinuation<T>) in
-                let progress = dataTaskClosure(continuation)
-                progressWrapper.progress = progress
-            }
-        })
-    }
-}
diff --git a/Sources/ApexyURLSession/Helpers/ProgressWrapper.swift b/Sources/ApexyURLSession/Helpers/ProgressWrapper.swift
deleted file mode 100644
index bcf8b12..0000000
--- a/Sources/ApexyURLSession/Helpers/ProgressWrapper.swift
+++ /dev/null
@@ -1,39 +0,0 @@
-import Foundation
-
-@propertyWrapper struct Locked<T> {
-    
-    var wrappedValue: T {
-        get {
-            lock.lock()
-            defer { lock.unlock() }
-            return _value
-        }
-        set {
-            lock.lock()
-            defer { lock.unlock() }
-            _value = newValue
-        }
-    }
-    
-    private var _value: T
-    private let lock = NSLock()
-
-    init(wrappedValue: T) {
-        self._value = wrappedValue
-    }
-}
-
-@available(macOS 10.15, iOS 13, watchOS 6, tvOS 13, *)
-final class ProgressWrapper {
-    
-    @Locked
-    var progress: Progress?
-    
-    init(_progress: Progress? = nil) {
-        self.progress = progress
-    }
-    
-    func cancel() {
-        progress?.cancel()
-    }
-}
diff --git a/Sources/ApexyURLSession/Helpers/URLSession+Concurrency.swift b/Sources/ApexyURLSession/Helpers/URLSession+Concurrency.swift
deleted file mode 100644
index dcce12d..0000000
--- a/Sources/ApexyURLSession/Helpers/URLSession+Concurrency.swift
+++ /dev/null
@@ -1,83 +0,0 @@
-//
-//  URLSession+Concurrency.swift
-//  ApexyURLSession
-//
-//  Created by Aleksei Tiurnin on 20.01.2022.
-//
-
-import Apexy
-import Foundation
-
-@available(macOS, introduced: 10.15, deprecated: 12, message: "Extension is no longer necessary. Use API built into SDK")
-@available(iOS, introduced: 13, deprecated: 15, message: "Extension is no longer necessary. Use API built into SDK")
-@available(watchOS, introduced: 6, deprecated: 8, message: "Extension is no longer necessary. Use API built into SDK")
-@available(tvOS, introduced: 13, deprecated: 15, message: "Extension is no longer necessary. Use API built into SDK")
-extension URLSession {
-    
-    /// Send request
-    /// - Parameters:
-    ///    - request: A URL request object that provides the URL, cache policy, request type, and so on. The body stream and body data in this request object are ignored.
-    ///    - delegate: Delegate to get events about request (NOT WORKING💀)
-    /// - Returns: Tuple with Data and URLResponse
-    public func data(
-        forRequest request: URLRequest,
-        delegate: URLSessionTaskDelegate? = nil) async throws -> (Data, URLResponse) {
-            return try await AsyncAwaitHelper.adaptToAsync(dataTaskClosure: { continuation in
-                let task = dataTask(with: request) { data, response, error in
-                    guard let data = data, let response = response else {
-                        let error = error ?? URLError(.badServerResponse)
-                        return continuation.resume(throwing: error)
-                    }
-                    continuation.resume(returning: (data, response))
-                }
-                task.resume()
-                return task.progress
-            })
-        }
-    
-    /// Send request
-    /// - Parameters:
-    ///    - request: A URL request object that provides the URL, cache policy, request type, and so on. The body stream and body data in this request object are ignored.
-    ///    - fromFile: The URL of the file to upload.
-    ///    - delegate: Delegate to get events about request (NOT WORKING💀)
-    /// - Returns: Tuple with Data and URLResponse
-    public func upload(
-        for request: URLRequest,
-        fromFile fileURL: URL,
-        delegate: URLSessionTaskDelegate? = nil) async throws -> (Data, URLResponse) {
-            return try await AsyncAwaitHelper.adaptToAsync(dataTaskClosure: { continuation in
-                let task = uploadTask(with: request, fromFile: fileURL) { data, response, error in
-                    guard let data = data, let response = response else {
-                        let error = error ?? URLError(.badServerResponse)
-                        return continuation.resume(throwing: error)
-                    }
-                    continuation.resume(returning: (data, response))
-                }
-                task.resume()
-                return task.progress
-            })
-        }
-
-    /// Send request
-    /// - Parameters:
-    ///    - request: A URL request object that provides the URL, cache policy, request type, and so on. The body stream and body data in this request object are ignored.
-    ///    - bodyData: The body data for the request.
-    ///    - delegate: Delegate to get events about request (NOT WORKING💀)
-    /// - Returns: Tuple with Data and URLResponse
-    public func upload(
-        for request: URLRequest,
-        from bodyData: Data,
-        delegate: URLSessionTaskDelegate? = nil) async throws -> (Data, URLResponse) {
-            return try await AsyncAwaitHelper.adaptToAsync(dataTaskClosure: { continuation in
-                let task = uploadTask(with: request, from: bodyData) { data, response, error in
-                    guard let data = data, let response = response else {
-                        let error = error ?? URLError(.badServerResponse)
-                        return continuation.resume(throwing: error)
-                    }
-                    continuation.resume(returning: (data, response))
-                }
-                task.resume()
-                return task.progress
-            })
-        }
-}
diff --git a/Tests/ApexyURLSessionTests/AsyncAwaitHelperTests.swift b/Tests/ApexyURLSessionTests/AsyncAwaitHelperTests.swift
deleted file mode 100644
index 0682178..0000000
--- a/Tests/ApexyURLSessionTests/AsyncAwaitHelperTests.swift
+++ /dev/null
@@ -1,40 +0,0 @@
-//
-//  AsyncAwitHelperTests.swift
-//  
-//
-//  Created by Aleksei Tiurnin on 31.10.2022.
-//
-
-import XCTest
-@testable import ApexyURLSession
-
-final class AsyncAwaitHelperTests: XCTestCase {
-
-    func testExample() async throws {
-        let task = Task<String, Error>(priority: .background) {
-            try await AsyncAwaitHelper.adaptToAsync(dataTaskClosure: { continuation in
-                continuation.resume(returning: "123")
-                return Progress()
-            })
-        }
-        let value = try await task.value
-        XCTAssertEqual(value, "123")
-    }
-    
-    func testCancelExample() async throws {
-        let task = Task<String, Error>(priority: .background) {
-            try await AsyncAwaitHelper.adaptToAsync(dataTaskClosure: { continuation in
-                continuation.resume(returning: "123")
-                return Progress()
-            })
-        }
-        task.cancel()
-        do {
-            _ = try await task.value
-            XCTFail("Task has been cancelled")
-        } catch {
-            XCTAssert(error is CancellationError)
-        }
-    }
-
-}