diff --git a/src/corelib/io/qprocess_p.h b/src/corelib/io/qprocess_p.h
index 0c501aecd8c..043a44df81c 100644
--- a/src/corelib/io/qprocess_p.h
+++ b/src/corelib/io/qprocess_p.h
@@ -381,7 +381,6 @@ public:
     bool waitForReadyRead(int msecs = 30000);
     bool waitForBytesWritten(int msecs = 30000);
     bool waitForFinished(int msecs = 30000);
-    bool waitForWrite(int msecs = 30000);
 
     qint64 bytesAvailableInChannel(const Channel *channel) const;
     qint64 readFromChannel(const Channel *channel, char *data, qint64 maxlen);
diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
index a6900544be5..f9d14c8e5a6 100644
--- a/src/corelib/io/qprocess_unix.cpp
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -1034,12 +1034,6 @@ bool QProcessPrivate::waitForFinished(int msecs)
     return false;
 }
 
-bool QProcessPrivate::waitForWrite(int msecs)
-{
-    pollfd pfd = qt_make_pollfd(stdinChannel.pipe[1], POLLOUT);
-    return qt_poll_msecs(&pfd, 1, msecs < 0 ? 0 : msecs) == 1;
-}
-
 void QProcessPrivate::findExitCode()
 {
 }
diff --git a/src/corelib/io/qprocess_win.cpp b/src/corelib/io/qprocess_win.cpp
index cf0536c2ded..611ce34550f 100644
--- a/src/corelib/io/qprocess_win.cpp
+++ b/src/corelib/io/qprocess_win.cpp
@@ -819,15 +819,6 @@ qint64 QProcessPrivate::writeToStdin(const char *data, qint64 maxlen)
     return stdinChannel.writer->write(data, maxlen);
 }
 
-bool QProcessPrivate::waitForWrite(int msecs)
-{
-    if (!stdinChannel.writer || stdinChannel.writer->waitForWrite(msecs))
-        return true;
-
-    setError(QProcess::Timedout);
-    return false;
-}
-
 bool QProcessPrivate::startDetached(const QString &program, const QStringList &arguments, const QString &workingDir, qint64 *pid)
 {
     QString args = qt_create_commandline(program, arguments);
diff --git a/src/corelib/io/qprocess_wince.cpp b/src/corelib/io/qprocess_wince.cpp
index c859a740d5c..564b3f520d0 100644
--- a/src/corelib/io/qprocess_wince.cpp
+++ b/src/corelib/io/qprocess_wince.cpp
@@ -278,12 +278,6 @@ qint64 QProcessPrivate::writeToStdin(const char *data, qint64 maxlen)
     return -1;
 }
 
-bool QProcessPrivate::waitForWrite(int msecs)
-{
-    Q_UNUSED(msecs);
-    return false;
-}
-
 bool QProcessPrivate::startDetached(const QString &program, const QStringList &arguments, const QString &workingDir, qint64 *pid)
 {
     Q_UNUSED(workingDir);