diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp
index 16fb2be0aee..878f52fd004 100644
--- a/src/corelib/io/qprocess.cpp
+++ b/src/corelib/io/qprocess.cpp
@@ -834,9 +834,7 @@ void QProcessPrivate::cleanup()
         delete stateNotifier;
         stateNotifier = nullptr;
     }
-    closeChannel(&stdoutChannel);
-    closeChannel(&stderrChannel);
-    closeChannel(&stdinChannel);
+    closeChannels();
     destroyPipe(childStartedPipe);
 #ifdef Q_OS_UNIX
     if (forkfd != -1)
@@ -923,6 +921,16 @@ bool QProcessPrivate::openChannels()
     return true;
 }
 
+/*!
+    \internal
+*/
+void QProcessPrivate::closeChannels()
+{
+    closeChannel(&stdoutChannel);
+    closeChannel(&stderrChannel);
+    closeChannel(&stdinChannel);
+}
+
 /*!
     \internal
 */
diff --git a/src/corelib/io/qprocess_p.h b/src/corelib/io/qprocess_p.h
index f1572055f40..6df359e4414 100644
--- a/src/corelib/io/qprocess_p.h
+++ b/src/corelib/io/qprocess_p.h
@@ -326,6 +326,7 @@ public:
 #endif
     void closeChannel(Channel *channel);
     void closeWriteChannel();
+    void closeChannels();
     bool tryReadFromChannel(Channel *channel); // obviously, only stdout and stderr
 
     QString program;
diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
index 4fa36238a7b..d31691d9507 100644
--- a/src/corelib/io/qprocess_unix.cpp
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -885,9 +885,7 @@ bool QProcessPrivate::startDetached(qint64 *pid)
 
     if (!openChannelsForDetached()) {
         // openChannel sets the error string
-        closeChannel(&stdinChannel);
-        closeChannel(&stdoutChannel);
-        closeChannel(&stderrChannel);
+        closeChannels();
         return false;
     }
 
@@ -935,9 +933,7 @@ bool QProcessPrivate::startDetached(qint64 *pid)
     }
 
     int savedErrno = errno;
-    closeChannel(&stdinChannel);
-    closeChannel(&stdoutChannel);
-    closeChannel(&stderrChannel);
+    closeChannels();
 
     if (childPid == -1) {
         setErrorAndEmit(QProcess::FailedToStart, QLatin1String("fork: ") + qt_error_string(savedErrno));
diff --git a/src/corelib/io/qprocess_win.cpp b/src/corelib/io/qprocess_win.cpp
index 388e163317f..24a6e2109c7 100644
--- a/src/corelib/io/qprocess_win.cpp
+++ b/src/corelib/io/qprocess_win.cpp
@@ -905,9 +905,7 @@ bool QProcessPrivate::startDetached(qint64 *pid)
 
     if (!openChannelsForDetached()) {
         // openChannel sets the error string
-        closeChannel(&stdinChannel);
-        closeChannel(&stdoutChannel);
-        closeChannel(&stderrChannel);
+        closeChannels();
         return false;
     }
 
@@ -955,9 +953,7 @@ bool QProcessPrivate::startDetached(qint64 *pid)
         setErrorAndEmit(QProcess::FailedToStart);
     }
 
-    closeChannel(&stdinChannel);
-    closeChannel(&stdoutChannel);
-    closeChannel(&stderrChannel);
+    closeChannels();
     return success;
 }