diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
index 1111e6e607..f791ee94ee 100644
--- a/src/corelib/io/qprocess_unix.cpp
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -450,17 +450,7 @@ void QProcessPrivate::startProcess()
         workingDirPtr = encodedWorkingDirectory.constData();
     }
 
-    // Select FFD_USE_FORK and FFD_VFORK_SEMANTICS based on whether there's
-    // user code running in the child process: if there is, we don't know what
-    // the user will want to do, so we err on the safe side and request an
-    // actual fork() (for example, the user could attempt to do some
-    // synchronization with the parent process). But if there isn't, then our
-    // code in execChild() is just a handful of dup2() and a chdir(), so it's
-    // safe with vfork semantics: suspend the parent execution until the child
-    // either execve()s or _exit()s.
     int ffdflags = FFD_CLOEXEC;
-    if (childProcessModifier)
-        ffdflags |= FFD_USE_FORK;
 
     // QTBUG-86285
 #if !QT_CONFIG(forkfd_pidfd)