diff --git a/src/corelib/doc/snippets/code/src_corelib_io_qabstractfileengine.cpp b/src/corelib/doc/snippets/code/src_corelib_io_qabstractfileengine.cpp
index 4300fc2da94..440eb506405 100644
--- a/src/corelib/doc/snippets/code/src_corelib_io_qabstractfileengine.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_io_qabstractfileengine.cpp
@@ -1,9 +1,9 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
-using namespace Qt::StringLiterals;
-
 //! [0]
+using namespace Qt::StringLiterals;
+// ...
 class ZipEngineHandler : public QAbstractFileEngineHandler
 {
 public:
diff --git a/src/corelib/doc/snippets/code/src_corelib_mimetype_qmimedatabase.cpp b/src/corelib/doc/snippets/code/src_corelib_mimetype_qmimedatabase.cpp
index 7ed52617e78..0b8d1e93340 100644
--- a/src/corelib/doc/snippets/code/src_corelib_mimetype_qmimedatabase.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_mimetype_qmimedatabase.cpp
@@ -12,6 +12,8 @@ if (mime.inherits("text/plain")) {
 //! [0]
 
 //! [1]
+using namespace Qt::StringLiterals;
+// ...
 QStandardPaths::locateAll(QStandardPaths::GenericDataLocation, "mime/packages"_L1,
                           QStandardPaths::LocateDirectory);
 //! [1]
diff --git a/src/corelib/doc/snippets/code/src_corelib_serialization_qcborstream.cpp b/src/corelib/doc/snippets/code/src_corelib_serialization_qcborstream.cpp
index acb5a6272e8..e3483d9683e 100644
--- a/src/corelib/doc/snippets/code/src_corelib_serialization_qcborstream.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_serialization_qcborstream.cpp
@@ -8,6 +8,8 @@ using namespace Qt::StringLiterals;
 //! [0]
 
 //! [1]
+using namespace Qt::StringLiterals;
+// ...
    writer.startMap(4);    // 4 elements in the map
 
    writer.append("label"_L1);
@@ -73,6 +75,8 @@ using namespace Qt::StringLiterals;
 //! [7]
 
 //! [8]
+using namespace Qt::StringLiterals;
+// ...
    writer.append("Hello, World"_L1);
 //! [8]
 
diff --git a/src/corelib/doc/snippets/code/src_corelib_text_qstring.cpp b/src/corelib/doc/snippets/code/src_corelib_text_qstring.cpp
index efb529657ad..254985a1923 100644
--- a/src/corelib/doc/snippets/code/src_corelib_text_qstring.cpp
+++ b/src/corelib/doc/snippets/code/src_corelib_text_qstring.cpp
@@ -1,9 +1,10 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
-using namespace Qt::StringLiterals;
-
 //! [1]
+// Required for using the '_L1' string literal.
+using namespace Qt::StringLiterals;
+// ...
 QString url = "https://www.unicode.org/"_L1;
 //! [1]
 
@@ -35,6 +36,9 @@ str.append("Hello ").append("World");
 //! [4bis]
 
 //! [5]
+// Required for using the '_L1' string literal.
+using namespace Qt::StringLiterals;
+// ...
 if (str == "auto"_L1
         || str == "extern"_L1
         || str == "static"_L1
diff --git a/src/corelib/doc/snippets/hellotrmain.cpp b/src/corelib/doc/snippets/hellotrmain.cpp
index d780f19117a..6f08a9761f2 100644
--- a/src/corelib/doc/snippets/hellotrmain.cpp
+++ b/src/corelib/doc/snippets/hellotrmain.cpp
@@ -1,9 +1,10 @@
 // Copyright (C) 2016 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
+//! [0]
+// Required for using the '_L1' string literal.
 using namespace Qt::StringLiterals;
 
-//! [0]
 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);
diff --git a/src/corelib/doc/snippets/qstring/stringbuilder.cpp b/src/corelib/doc/snippets/qstring/stringbuilder.cpp
index c3a709bd4cd..339253123ed 100644
--- a/src/corelib/doc/snippets/qstring/stringbuilder.cpp
+++ b/src/corelib/doc/snippets/qstring/stringbuilder.cpp
@@ -3,9 +3,11 @@
 
 #include <QString>
 
-using namespace Qt::StringLiterals;
-
 //! [0]
+// Required for using the '_L1' string literal.
+using namespace Qt::StringLiterals;
+// ...
+
     QString foo;
     QString type = "long";