diff --git a/.gitignore b/.gitignore
index e4bd44fb0..8b4fce9e4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,3 +28,5 @@ fastlane/report.xml
 docs/docsets/HaishinKit.docset/Contents/Resources/Documents/undocumented.json
 Vendor/SRT/OpenSSL/
 Vendor/SRT/srt/
+HaishinKit.json
+SRTHaishinKit.json
diff --git a/Sources/Media/IOMixer.swift b/Sources/Media/IOMixer.swift
index 59d5f0616..b94ff5b90 100644
--- a/Sources/Media/IOMixer.swift
+++ b/Sources/Media/IOMixer.swift
@@ -315,10 +315,10 @@ extension IOMixer: Running {
 }
 #else
 extension IOMixer: Running {
-    public func startRunning() {
+    func startRunning() {
     }
 
-    public func stopRunning() {
+    func stopRunning() {
     }
 }
 #endif
diff --git a/Sources/RTMP/EventDispatcher.swift b/Sources/RTMP/EventDispatcher.swift
index e6b64bd33..d77789aa3 100644
--- a/Sources/RTMP/EventDispatcher.swift
+++ b/Sources/RTMP/EventDispatcher.swift
@@ -14,7 +14,7 @@ public protocol EventDispatcherConvertible: AnyObject {
 
 // MARK: -
 /// The Event interface is used to provide information.
-open class Event {
+public final class Event {
     /// A structure that defines the name of an event.
     public struct Name: RawRepresentable, ExpressibleByStringLiteral {
         // swiftlint:disable:next nesting
@@ -78,7 +78,7 @@ extension Event: CustomDebugStringConvertible {
 /**
  * The EventDispatcher interface is in implementation which supports the DOM Event Model.
  */
-open class EventDispatcher: EventDispatcherConvertible {
+public class EventDispatcher: EventDispatcherConvertible {
     private weak var target: AnyObject?
 
     /// Creates a new event dispatcher.
diff --git a/Sources/RTMP/RTMPSharedObject.swift b/Sources/RTMP/RTMPSharedObject.swift
index 998f4c8d4..76e74fc7d 100644
--- a/Sources/RTMP/RTMPSharedObject.swift
+++ b/Sources/RTMP/RTMPSharedObject.swift
@@ -79,7 +79,7 @@ extension RTMPSharedObjectEvent: CustomDebugStringConvertible {
 
 // MARK: -
 /// The RTMPSharedObject class is used to read and write data on a server.
-public class RTMPSharedObject: EventDispatcher {
+public final class RTMPSharedObject: EventDispatcher {
     private static var remoteSharedObjects: [String: RTMPSharedObject] = [:]
 
     /// Returns a reference to a shared object on a server.
diff --git a/Sources/Util/ByteArray.swift b/Sources/Util/ByteArray.swift
index 0bdef86fc..a2b7ddd6a 100644
--- a/Sources/Util/ByteArray.swift
+++ b/Sources/Util/ByteArray.swift
@@ -72,7 +72,7 @@ protocol ByteArrayConvertible {
 /**
  * The ByteArray class provides methods and properties the reading or writing with binary data.
  */
-open class ByteArray: ByteArrayConvertible {
+public class ByteArray: ByteArrayConvertible {
     static let fillZero: [UInt8] = [0x00]
 
     static let sizeOfInt8: Int = 1