diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp
index 40448b17ffd..3b708d77276 100644
--- a/src/corelib/io/qprocess.cpp
+++ b/src/corelib/io/qprocess.cpp
@@ -1660,17 +1660,6 @@ qint64 QProcess::processId() const
 #endif
 }
 
-/*! \reimp
-
-    This function operates on the current read channel.
-
-    \sa readChannel(), setReadChannel()
-*/
-bool QProcess::canReadLine() const
-{
-    return QIODevice::canReadLine();
-}
-
 /*!
     Closes all communication with the process and kills it. After calling this
     function, QProcess will no longer emit readyRead(), and data can no
@@ -1688,16 +1677,6 @@ void QProcess::close()
     QIODevice::close();
 }
 
-/*! \reimp
-
-   Returns \c true if the process is not running, and no more data is available
-   for reading; otherwise returns \c false.
-*/
-bool QProcess::atEnd() const
-{
-    return QIODevice::atEnd();
-}
-
 /*! \reimp
 */
 bool QProcess::isSequential() const
@@ -1705,13 +1684,6 @@ bool QProcess::isSequential() const
     return true;
 }
 
-/*! \reimp
-*/
-qint64 QProcess::bytesAvailable() const
-{
-    return QIODevice::bytesAvailable();
-}
-
 /*! \reimp
 */
 qint64 QProcess::bytesToWrite() const
diff --git a/src/corelib/io/qprocess.h b/src/corelib/io/qprocess.h
index 59b70c91759..ee83c93cf83 100644
--- a/src/corelib/io/qprocess.h
+++ b/src/corelib/io/qprocess.h
@@ -248,12 +248,9 @@ public:
     QProcess::ExitStatus exitStatus() const;
 
     // QIODevice
-    qint64 bytesAvailable() const override; // ### Qt6: remove trivial override
     qint64 bytesToWrite() const override;
     bool isSequential() const override;
-    bool canReadLine() const override; // ### Qt6: remove trivial override
     void close() override;
-    bool atEnd() const override; // ### Qt6: remove trivial override
 
     static int execute(const QString &program, const QStringList &arguments);
 #if QT_DEPRECATED_SINCE(5, 15)