diff --git a/rtc_base/socket_adapters.cc b/rtc_base/socket_adapters.cc
index 2bcdcd8b16..dc9d883d58 100644
--- a/rtc_base/socket_adapters.cc
+++ b/rtc_base/socket_adapters.cc
@@ -12,21 +12,6 @@
 #pragma warning(disable : 4786)
 #endif
 
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-
-#if defined(WEBRTC_WIN)
-#include <windows.h>
-#include <winsock2.h>
-#include <ws2tcpip.h>
-
-#define SECURITY_WIN32
-#include <security.h>
-#endif
-
 #include <algorithm>
 
 #include "absl/strings/match.h"
@@ -386,30 +371,9 @@ void AsyncHttpsProxySocket::ProcessLine(char* data, size_t len) {
         return;
       }
     } else {
-      static bool report = false;
-      if (!unknown_mechanisms_.empty() && !report) {
-        report = true;
-        std::string msg(
-            "Unable to connect to the Google Talk service due to an "
-            "incompatibility "
-            "with your proxy.\r\nPlease help us resolve this issue by "
-            "submitting the "
-            "following information to us using our technical issue submission "
-            "form "
-            "at:\r\n\r\n"
-            "http://www.google.com/support/talk/bin/request.py\r\n\r\n"
-            "We apologize for the inconvenience.\r\n\r\n"
-            "Information to submit to Google: ");
-        // std::string msg("Please report the following information to
-        // foo@bar.com:\r\nUnknown methods: ");
-        msg.append(unknown_mechanisms_);
-#if defined(WEBRTC_WIN) && !defined(WINUWP)
-        MessageBoxA(0, msg.c_str(), "Oops!", MB_OK);
-#endif
-#if defined(WEBRTC_POSIX)
-        // TODO: Raise a signal so the UI can be separated.
-        RTC_LOG(LS_ERROR) << "Oops!\n\n" << msg;
-#endif
+      if (!unknown_mechanisms_.empty()) {
+        RTC_LOG(LS_ERROR) << "Unsupported authentication methods: "
+                          << unknown_mechanisms_;
       }
       // Unexpected end of headers
       Error(0);