diff --git a/qmake/CMakeLists.txt b/qmake/CMakeLists.txt
index 6eae6ecd39..30e00991b1 100644
--- a/qmake/CMakeLists.txt
+++ b/qmake/CMakeLists.txt
@@ -34,10 +34,6 @@ target_compile_definitions(QtLibraryInfo PUBLIC
     QT_BUILD_QMAKE
     QT_USE_QSTRINGBUILDER
     QT_NO_FOREACH
-    QT_VERSION_STR="${PROJECT_VERSION}" # special case
-    QT_VERSION_MAJOR=${PROJECT_VERSION_MAJOR} # special case
-    QT_VERSION_MINOR=${PROJECT_VERSION_MINOR} # special case
-    QT_VERSION_PATCH=${PROJECT_VERSION_PATCH} # special case
     QT_HOST_MKSPEC="${QT_QMAKE_HOST_MKSPEC}"
     QT_TARGET_MKSPEC="${QT_QMAKE_TARGET_MKSPEC}"
     QT_HOST_DATADIR="${hostdatadir}"
diff --git a/qmake/generators/makefile.cpp b/qmake/generators/makefile.cpp
index e16082e62c..f3fc800804 100644
--- a/qmake/generators/makefile.cpp
+++ b/qmake/generators/makefile.cpp
@@ -2322,7 +2322,7 @@ MakefileGenerator::writeHeader(QTextStream &t)
 {
     t << "#############################################################################\n";
     t << "# Makefile for building: " << escapeFilePath(var("TARGET")) << Qt::endl;
-    t << "# Generated by qmake (" QMAKE_VERSION_STR ") (Qt " QT_VERSION_STR ")\n";
+    t << "# Generated by qmake (" QMAKE_VERSION_STR ") (Qt " << qVersion() << ")\n";
     t << "# Project:  " << fileFixify(project->projectFile()) << Qt::endl;
     t << "# Template: " << var("TEMPLATE") << Qt::endl;
     if(!project->isActiveConfig("build_pass"))
diff --git a/qmake/generators/unix/unixmake2.cpp b/qmake/generators/unix/unixmake2.cpp
index 60c5e8a220..edebc0425d 100644
--- a/qmake/generators/unix/unixmake2.cpp
+++ b/qmake/generators/unix/unixmake2.cpp
@@ -1500,7 +1500,7 @@ UnixMakefileGenerator::writeLibtoolFile()
     QTextStream t(&ft);
     t << "# " << lname << " - a libtool library file\n";
     t << "# Generated by qmake/libtool (" QMAKE_VERSION_STR ") (Qt "
-      << QT_VERSION_STR << ")";
+      << qVersion() << ")";
     t << "\n";
 
     t << "# The name that we can dlopen(3).\n"
diff --git a/qmake/option.cpp b/qmake/option.cpp
index f30121e416..c2816ef498 100644
--- a/qmake/option.cpp
+++ b/qmake/option.cpp
@@ -224,7 +224,7 @@ Option::parseCommandLine(QStringList &args, QMakeCmdLineParserState &state)
                     fprintf(stdout,
                             "QMake version %s\n"
                             "Using Qt version %s in %s\n",
-                            QMAKE_VERSION_STR, QT_VERSION_STR,
+                            QMAKE_VERSION_STR, qVersion(),
                             QMakeLibraryInfo::path(QLibraryInfo::LibrariesPath)
                                     .toLatin1()
                                     .constData());
diff --git a/qmake/property.cpp b/qmake/property.cpp
index 2a1c4170b9..49b07f61b8 100644
--- a/qmake/property.cpp
+++ b/qmake/property.cpp
@@ -100,9 +100,7 @@ void QMakeProperty::reload()
 #ifdef QMAKE_VERSION_STR
     m_values["QMAKE_VERSION"] = ProString(QMAKE_VERSION_STR);
 #endif
-#ifdef QT_VERSION_STR
-    m_values["QT_VERSION"] = ProString(QT_VERSION_STR);
-#endif
+    m_values["QT_VERSION"] = ProString(qVersion());
 }
 
 QMakeProperty::~QMakeProperty()
@@ -168,9 +166,7 @@ int QMakeProperty::queryProperty(const QStringList &optionProperties,
 #ifdef QMAKE_VERSION_STR
         specialProps.append("QMAKE_VERSION");
 #endif
-#ifdef QT_VERSION_STR
         specialProps.append("QT_VERSION");
-#endif
         for (const QString &prop : qAsConst(specialProps)) {
             ProString val = value(ProKey(prop));
             ProString pval = value(ProKey(prop + "/raw"));