diff --git a/ixwebsocket/IXSocket.cpp b/ixwebsocket/IXSocket.cpp
index 747ee9c6..c70acd70 100644
--- a/ixwebsocket/IXSocket.cpp
+++ b/ixwebsocket/IXSocket.cpp
@@ -19,7 +19,6 @@
 #include <sys/types.h>
 
 #include <algorithm>
-#include <iostream>
 
 #ifdef min
 #undef min
diff --git a/ixwebsocket/IXWebSocket.cpp b/ixwebsocket/IXWebSocket.cpp
index 7b140213..f848c7cd 100644
--- a/ixwebsocket/IXWebSocket.cpp
+++ b/ixwebsocket/IXWebSocket.cpp
@@ -8,7 +8,6 @@
 #include "IXSetThreadName.h"
 #include "IXWebSocketHandshake.h"
 
-#include <iostream>
 #include <cmath>
 #include <cassert>
 
diff --git a/ixwebsocket/IXWebSocketHandshake.cpp b/ixwebsocket/IXWebSocketHandshake.cpp
index 61ca73e2..01662939 100644
--- a/ixwebsocket/IXWebSocketHandshake.cpp
+++ b/ixwebsocket/IXWebSocketHandshake.cpp
@@ -10,7 +10,6 @@
 
 #include "libwshandshake.hpp"
 
-#include <iostream>
 #include <sstream>
 #include <random>
 #include <algorithm>
diff --git a/ixwebsocket/IXWebSocketPerMessageDeflateCodec.cpp b/ixwebsocket/IXWebSocketPerMessageDeflateCodec.cpp
index 3723b391..3fb2e5e8 100644
--- a/ixwebsocket/IXWebSocketPerMessageDeflateCodec.cpp
+++ b/ixwebsocket/IXWebSocketPerMessageDeflateCodec.cpp
@@ -7,7 +7,6 @@
 #include "IXWebSocketPerMessageDeflateCodec.h"
 #include "IXWebSocketPerMessageDeflateOptions.h"
 
-#include <iostream>
 #include <cassert>
 #include <string.h>
 
diff --git a/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp b/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp
index 90dfe72f..db13b947 100644
--- a/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp
+++ b/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp
@@ -7,7 +7,6 @@
 #include "IXWebSocketPerMessageDeflateOptions.h"
 
 #include <sstream>
-#include <iostream>
 #include <algorithm>
 #include <cctype>
 
diff --git a/ixwebsocket/IXWebSocketTransport.cpp b/ixwebsocket/IXWebSocketTransport.cpp
index fff230c6..40c9787f 100644
--- a/ixwebsocket/IXWebSocketTransport.cpp
+++ b/ixwebsocket/IXWebSocketTransport.cpp
@@ -45,7 +45,6 @@
 #include <vector>
 #include <string>
 #include <cstdarg>
-#include <iostream>
 #include <sstream>
 #include <chrono>
 #include <thread>