diff --git a/src/corelib/global/qlibraryinfo.cpp b/src/corelib/global/qlibraryinfo.cpp
index 08aff5fa2ac..1380b083723 100644
--- a/src/corelib/global/qlibraryinfo.cpp
+++ b/src/corelib/global/qlibraryinfo.cpp
@@ -247,47 +247,6 @@ QSettings *QLibraryInfoPrivate::findConfiguration()
 QLibraryInfo::QLibraryInfo()
 { }
 
-/*!
-  \deprecated
-  This function used to return the person to whom this build of Qt is licensed, now returns an empty string.
-*/
-
-#if QT_DEPRECATED_SINCE(5, 8)
-QString
-QLibraryInfo::licensee()
-{
-    return QString();
-}
-#endif
-
-/*!
-  \deprecated
-  This function used to return the products that the license for this build of Qt has access to, now returns an empty string.
-*/
-
-#if QT_DEPRECATED_SINCE(5, 8)
-QString
-QLibraryInfo::licensedProducts()
-{
-    return QString();
-}
-#endif
-
-/*!
-    \since 4.6
-    \deprecated
-    This function used to return the installation date for this build of Qt, but now returns a constant date.
-*/
-#if QT_CONFIG(datestring)
-#if QT_DEPRECATED_SINCE(5, 5)
-QDate
-QLibraryInfo::buildDate()
-{
-    return QDate::fromString(QString::fromLatin1("2012-12-20"), Qt::ISODate);
-}
-#endif
-#endif // datestring
-
 #if defined(Q_CC_INTEL) // must be before GNU, Clang and MSVC because ICC/ICL claim to be them
 #  ifdef __INTEL_CLANG_COMPILER
 #    define ICC_COMPAT "Clang"
diff --git a/src/corelib/global/qlibraryinfo.h b/src/corelib/global/qlibraryinfo.h
index 031dfe37e2d..4a14a9728af 100644
--- a/src/corelib/global/qlibraryinfo.h
+++ b/src/corelib/global/qlibraryinfo.h
@@ -51,17 +51,6 @@ class QStringList;
 class Q_CORE_EXPORT QLibraryInfo
 {
 public:
-#if QT_DEPRECATED_SINCE(5, 8)
-    static QT_DEPRECATED QString licensee();
-    static QT_DEPRECATED QString licensedProducts();
-#endif
-
-#if QT_CONFIG(datestring)
-#if QT_DEPRECATED_SINCE(5, 5)
-    static QT_DEPRECATED QDate buildDate();
-#endif // QT_DEPRECATED_SINCE(5, 5)
-#endif // datestring
-
     static const char * build() noexcept;
 
     static bool isDebugBuild();