diff --git a/src/qt/winshutdownmonitor.cpp b/src/qt/winshutdownmonitor.cpp
index 7b811201f..216c569ce 100644
--- a/src/qt/winshutdownmonitor.cpp
+++ b/src/qt/winshutdownmonitor.cpp
@@ -1,75 +1,59 @@
 // Copyright (c) 2014-2016 The Bitcoin Core developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <qt/winshutdownmonitor.h>
 
 #if defined(Q_OS_WIN)
 #include <shutdown.h>
-#include <util/system.h>
-
-#include <openssl/rand.h>
 
 #include <QDebug>
 
 #include <windows.h>
 
 // If we don't want a message to be processed by Qt, return true and set result
 // to the value that the window procedure should return. Otherwise return false.
 bool WinShutdownMonitor::nativeEventFilter(const QByteArray &eventType,
                                            void *pMessage, long *pnResult) {
     Q_UNUSED(eventType);
 
     MSG *pMsg = static_cast<MSG *>(pMessage);
 
-    // Seed OpenSSL PRNG with Windows event data (e.g.  mouse movements and
-    // other user interactions)
-    if (RAND_event(pMsg->message, pMsg->wParam, pMsg->lParam) == 0) {
-        // Warn only once as this is performance-critical
-        static bool warned = false;
-        if (!warned) {
-            LogPrintf("%s: OpenSSL RAND_event() failed to seed OpenSSL PRNG "
-                      "with enough data.\n",
-                      __func__);
-            warned = true;
-        }
-    }
-
     switch (pMsg->message) {
         case WM_QUERYENDSESSION: {
             // Initiate a client shutdown after receiving a WM_QUERYENDSESSION
             // and block
             // Windows session end until we have finished client shutdown.
             StartShutdown();
             *pnResult = FALSE;
             return true;
         }
 
         case WM_ENDSESSION: {
             *pnResult = FALSE;
             return true;
         }
     }
 
     return false;
 }
 
 void WinShutdownMonitor::registerShutdownBlockReason(const QString &strReason,
                                                      const HWND &mainWinId) {
     typedef BOOL(WINAPI * PSHUTDOWNBRCREATE)(HWND, LPCWSTR);
     PSHUTDOWNBRCREATE shutdownBRCreate = (PSHUTDOWNBRCREATE)GetProcAddress(
         GetModuleHandleA("User32.dll"), "ShutdownBlockReasonCreate");
     if (shutdownBRCreate == nullptr) {
         qWarning() << "registerShutdownBlockReason: GetProcAddress for "
                       "ShutdownBlockReasonCreate failed";
         return;
     }
 
     if (shutdownBRCreate(mainWinId, strReason.toStdWString().c_str()))
         qWarning() << "registerShutdownBlockReason: Successfully registered: " +
                           strReason;
     else
         qWarning() << "registerShutdownBlockReason: Failed to register: " +
                           strReason;
 }
 #endif