diff --git a/Sources/S3/Extensions/S3+Delete.swift b/Sources/S3/Extensions/S3+Delete.swift
index 12d193b..bc899c0 100644
--- a/Sources/S3/Extensions/S3+Delete.swift
+++ b/Sources/S3/Extensions/S3+Delete.swift
@@ -15,7 +15,7 @@ public extension S3 {
     // MARK: Delete
     
     /// Delete file from S3
-    public func delete(file: LocationConvertible, headers: [String: String] = [:], on container: Container) throws -> Future<Void> {
+    public func delete(file: LocationConvertible, headers: [String: String], on container: Container) throws -> Future<Void> {
         let url = try self.url(file: file, on: container)
         let headers = try signer.headers(for: .DELETE, urlString: url.absoluteString, headers: headers, payload: .none)
         return try make(request: url, method: .DELETE, headers: headers, data: "".convertToData(), on: container).map(to: Void.self) { response in
diff --git a/Sources/S3/Extensions/S3+Get.swift b/Sources/S3/Extensions/S3+Get.swift
index 1acfba3..0f39bfd 100644
--- a/Sources/S3/Extensions/S3+Get.swift
+++ b/Sources/S3/Extensions/S3+Get.swift
@@ -15,7 +15,7 @@ public extension S3 {
     // MARK: Get
     
     /// Retrieve file data from S3
-    public func get(file: LocationConvertible, headers: [String: String] = [:], on container: Container) throws -> Future<File.Response> {
+    public func get(file: LocationConvertible, headers: [String: String], on container: Container) throws -> Future<File.Response> {
         let url = try self.url(file: file, on: container)
         let headers = try signer.headers(for: .GET, urlString: url.absoluteString, headers: headers, payload: .none)
         return try make(request: url, method: .GET, headers: headers, on: container).map(to: File.Response.self) { response in
diff --git a/Sources/S3/Extensions/S3+ObjectInfo.swift b/Sources/S3/Extensions/S3+ObjectInfo.swift
index 7878ef4..664de80 100644
--- a/Sources/S3/Extensions/S3+ObjectInfo.swift
+++ b/Sources/S3/Extensions/S3+ObjectInfo.swift
@@ -17,7 +17,7 @@ public extension S3 {
     
     /// Get acl file information (ACL)
     /// https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectGETacl.html
-    public func get(acl file: LocationConvertible, headers: [String: String] = [:], on container: Container) throws -> Future<File.Info> {
+    public func get(acl file: LocationConvertible, headers: [String: String], on container: Container) throws -> Future<File.Info> {
         fatalError("Not implemented")
     }
     
@@ -29,7 +29,7 @@ public extension S3 {
     
     /// Get file information (HEAD)
     /// https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectHEAD.html
-    public func get(fileInfo file: LocationConvertible, headers: [String: String] = [:], on container: Container) throws -> Future<File.Info> {
+    public func get(fileInfo file: LocationConvertible, headers: [String: String], on container: Container) throws -> Future<File.Info> {
         let url = try self.url(file: file, on: container)
         let headers = try signer.headers(for: .HEAD, urlString: url.absoluteString, headers: headers, payload: .none)
         return try make(request: url, method: .HEAD, headers: headers, data: "".convertToData(), on: container).map(to: File.Info.self) { response in
diff --git a/Sources/S3/Extensions/S3+Put.swift b/Sources/S3/Extensions/S3+Put.swift
index a0a66e6..c5c815a 100755
--- a/Sources/S3/Extensions/S3+Put.swift
+++ b/Sources/S3/Extensions/S3+Put.swift
@@ -16,7 +16,7 @@ public extension S3 {
     // MARK: Upload
     
     /// Upload file to S3
-    public func put(file: File.Upload, headers: [String: String] = [:], on container: Container) throws -> EventLoopFuture<File.Response> {
+    public func put(file: File.Upload, headers: [String: String], on container: Container) throws -> EventLoopFuture<File.Response> {
         let url = try self.url(file: file, on: container)
         
         var awsHeaders: [String: String] = headers
@@ -37,6 +37,11 @@ public extension S3 {
         }
     }
     
+    /// Upload file to S3
+    public func put(file: File.Upload, on container: Container) throws -> EventLoopFuture<File.Response> {
+        return try put(file: file, headers: [:], on: container)
+    }
+    
     /// Upload file by it's URL to S3
     public func put(file url: URL, destination: String, access: AccessControlList = .privateAccess, on container: Container) throws -> Future<File.Response> {
         let data: Data = try Data(contentsOf: url)
diff --git a/Sources/S3/Protocols/S3Client.swift b/Sources/S3/Protocols/S3Client.swift
index d871efa..3dcc649 100644
--- a/Sources/S3/Protocols/S3Client.swift
+++ b/Sources/S3/Protocols/S3Client.swift
@@ -33,6 +33,9 @@ public protocol S3Client: Service {
     /// Get list of objects
     func list(bucket: String, region: Region?, headers: [String: String], on container: Container) throws -> Future<BucketResults>
     
+    /// Upload file to S3
+    func put(file: File.Upload, on container: Container) throws -> EventLoopFuture<File.Response>
+    
     /// Upload file to S3
     func put(file: File.Upload, headers: [String: String], on: Container) throws -> EventLoopFuture<File.Response>