diff --git a/src/corelib/global/qoperatingsystemversion.cpp b/src/corelib/global/qoperatingsystemversion.cpp
index b722801bb13..61f64306e26 100644
--- a/src/corelib/global/qoperatingsystemversion.cpp
+++ b/src/corelib/global/qoperatingsystemversion.cpp
@@ -407,62 +407,6 @@ const QOperatingSystemVersion QOperatingSystemVersion::Windows8_1 =
 const QOperatingSystemVersion QOperatingSystemVersion::Windows10 =
     QOperatingSystemVersion(QOperatingSystemVersion::Windows, 10);
 
-/*!
-    \variable QOperatingSystemVersion::Windows10_1809
-    \brief a version corresponding to Windows 10 1809 (version 10.0.17763).
-    \since 6.3
- */
-const QOperatingSystemVersion QOperatingSystemVersion::Windows10_1809 =
-    QOperatingSystemVersion(QOperatingSystemVersion::Windows, 10, 0, 17763);
-
-/*!
-    \variable QOperatingSystemVersion::Windows10_1903
-    \brief a version corresponding to Windows 10 1903 (version 10.0.18362).
-    \since 6.3
- */
-const QOperatingSystemVersion QOperatingSystemVersion::Windows10_1903 =
-    QOperatingSystemVersion(QOperatingSystemVersion::Windows, 10, 0, 18362);
-
-/*!
-    \variable QOperatingSystemVersion::Windows10_1909
-    \brief a version corresponding to Windows 10 1909 (version 10.0.18363).
-    \since 6.3
- */
-const QOperatingSystemVersion QOperatingSystemVersion::Windows10_1909 =
-    QOperatingSystemVersion(QOperatingSystemVersion::Windows, 10, 0, 18363);
-
-/*!
-    \variable QOperatingSystemVersion::Windows10_2004
-    \brief a version corresponding to Windows 10 2004 (version 10.0.19041).
-    \since 6.3
- */
-const QOperatingSystemVersion QOperatingSystemVersion::Windows10_2004 =
-    QOperatingSystemVersion(QOperatingSystemVersion::Windows, 10, 0, 19041);
-
-/*!
-    \variable QOperatingSystemVersion::Windows10_20H2
-    \brief a version corresponding to Windows 10 20H2 (version 10.0.19042).
-    \since 6.3
- */
-const QOperatingSystemVersion QOperatingSystemVersion::Windows10_20H2 =
-    QOperatingSystemVersion(QOperatingSystemVersion::Windows, 10, 0, 19042);
-
-/*!
-    \variable QOperatingSystemVersion::Windows10_21H1
-    \brief a version corresponding to Windows 10 21H1 (version 10.0.19043).
-    \since 6.3
- */
-const QOperatingSystemVersion QOperatingSystemVersion::Windows10_21H1 =
-    QOperatingSystemVersion(QOperatingSystemVersion::Windows, 10, 0, 19043);
-
-/*!
-    \variable QOperatingSystemVersion::Windows10_21H2
-    \brief a version corresponding to Windows 10 21H2 (version 10.0.19044).
-    \since 6.3
- */
-const QOperatingSystemVersion QOperatingSystemVersion::Windows10_21H2 =
-    QOperatingSystemVersion(QOperatingSystemVersion::Windows, 10, 0, 19044);
-
 /*!
     \variable QOperatingSystemVersion::OSXMavericks
     \brief a version corresponding to OS X Mavericks (version 10.9).
diff --git a/src/corelib/global/qoperatingsystemversion.h b/src/corelib/global/qoperatingsystemversion.h
index c60017feb7c..c884e0e3e89 100644
--- a/src/corelib/global/qoperatingsystemversion.h
+++ b/src/corelib/global/qoperatingsystemversion.h
@@ -64,13 +64,6 @@ public:
     static const QOperatingSystemVersion Windows8;
     static const QOperatingSystemVersion Windows8_1;
     static const QOperatingSystemVersion Windows10;
-    static const QOperatingSystemVersion Windows10_1809; // RS5
-    static const QOperatingSystemVersion Windows10_1903; // 19H1
-    static const QOperatingSystemVersion Windows10_1909; // 19H2
-    static const QOperatingSystemVersion Windows10_2004; // 20H1
-    static const QOperatingSystemVersion Windows10_20H2; // 20H2
-    static const QOperatingSystemVersion Windows10_21H1; // 21H1
-    static const QOperatingSystemVersion Windows10_21H2; // 21H2
 
     static const QOperatingSystemVersion OSXMavericks;
     static const QOperatingSystemVersion OSXYosemite;