diff --git a/src/network/ssl/qsslconfiguration.cpp b/src/network/ssl/qsslconfiguration.cpp
index 2ba35572cf..4b41d84633 100644
--- a/src/network/ssl/qsslconfiguration.cpp
+++ b/src/network/ssl/qsslconfiguration.cpp
@@ -1063,11 +1063,7 @@ QByteArray QSslConfiguration::nextNegotiatedProtocol() const
 
   \sa nextNegotiatedProtocol(), nextProtocolNegotiationStatus(), allowedNextProtocols(), QSslConfiguration::NextProtocolHttp1_1
  */
-#if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
 void QSslConfiguration::setAllowedNextProtocols(const QList<QByteArray> &protocols)
-#else
-void QSslConfiguration::setAllowedNextProtocols(QList<QByteArray> protocols)
-#endif
 {
     d->nextAllowedProtocols = protocols;
 }
diff --git a/src/network/ssl/qsslconfiguration.h b/src/network/ssl/qsslconfiguration.h
index 706ac5775f..116920950e 100644
--- a/src/network/ssl/qsslconfiguration.h
+++ b/src/network/ssl/qsslconfiguration.h
@@ -189,11 +189,7 @@ public:
         NextProtocolNegotiationUnsupported
     };
 
-#if QT_VERSION >= QT_VERSION_CHECK(6,0,0)
     void setAllowedNextProtocols(const QList<QByteArray> &protocols);
-#else
-    void setAllowedNextProtocols(QList<QByteArray> protocols);
-#endif
     QList<QByteArray> allowedNextProtocols() const;
 
     QByteArray nextNegotiatedProtocol() const;