diff --git a/src/corelib/time/qdatetimeparser.cpp b/src/corelib/time/qdatetimeparser.cpp
index 78520a51aa..cce32e7ad2 100644
--- a/src/corelib/time/qdatetimeparser.cpp
+++ b/src/corelib/time/qdatetimeparser.cpp
@@ -334,7 +334,7 @@ int QDateTimeParser::sectionPos(int sectionIndex) const
     return sectionPos(sectionNode(sectionIndex));
 }
 
-int QDateTimeParser::sectionPos(const SectionNode &sn) const
+int QDateTimeParser::sectionPos(SectionNode sn) const
 {
     switch (sn.type) {
     case FirstSection: return 0;
@@ -2314,11 +2314,9 @@ QString QDateTimeParser::getAmPmText(AmPm ap, Case cs) const
 
 /*
   \internal
-
-  I give arg2 preference because arg1 is always a QDateTime.
 */
 
-bool operator==(const QDateTimeParser::SectionNode &s1, const QDateTimeParser::SectionNode &s2)
+bool operator==(QDateTimeParser::SectionNode s1, QDateTimeParser::SectionNode s2)
 {
     return (s1.type == s2.type) && (s1.pos == s2.pos) && (s1.count == s2.count);
 }
diff --git a/src/corelib/time/qdatetimeparser_p.h b/src/corelib/time/qdatetimeparser_p.h
index faf383f3d7..30e9e4d524 100644
--- a/src/corelib/time/qdatetimeparser_p.h
+++ b/src/corelib/time/qdatetimeparser_p.h
@@ -212,7 +212,7 @@ protected: // for the benefit of QDateTimeEditPrivate
     int sectionSize(int index) const;
     int sectionMaxSize(int index) const;
     int sectionPos(int index) const;
-    int sectionPos(const SectionNode &sn) const;
+    int sectionPos(SectionNode sn) const;
 
     const SectionNode &sectionNode(int index) const;
     Section sectionType(int index) const;
@@ -265,7 +265,7 @@ protected: // for the benefit of QDateTimeEditPrivate
 };
 Q_DECLARE_TYPEINFO(QDateTimeParser::SectionNode, Q_PRIMITIVE_TYPE);
 
-Q_CORE_EXPORT bool operator==(const QDateTimeParser::SectionNode &s1, const QDateTimeParser::SectionNode &s2);
+Q_CORE_EXPORT bool operator==(QDateTimeParser::SectionNode s1, QDateTimeParser::SectionNode s2);
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(QDateTimeParser::Sections)
 Q_DECLARE_OPERATORS_FOR_FLAGS(QDateTimeParser::FieldInfo)
diff --git a/src/widgets/widgets/qdatetimeedit.cpp b/src/widgets/widgets/qdatetimeedit.cpp
index c15d087bc5..a9b5babde5 100644
--- a/src/widgets/widgets/qdatetimeedit.cpp
+++ b/src/widgets/widgets/qdatetimeedit.cpp
@@ -2478,7 +2478,7 @@ int QDateTimeEditPrivate::absoluteIndex(QDateTimeEdit::Section s, int index) con
     return NoSectionIndex;
 }
 
-int QDateTimeEditPrivate::absoluteIndex(const SectionNode &s) const
+int QDateTimeEditPrivate::absoluteIndex(SectionNode s) const
 {
     return sectionNodes.indexOf(s);
 }
diff --git a/src/widgets/widgets/qdatetimeedit_p.h b/src/widgets/widgets/qdatetimeedit_p.h
index 215ee75bfe..f93afd1519 100644
--- a/src/widgets/widgets/qdatetimeedit_p.h
+++ b/src/widgets/widgets/qdatetimeedit_p.h
@@ -67,7 +67,7 @@ public:
     int cursorPosition() const override { return edit ? edit->cursorPosition() : -1; }
 
     int absoluteIndex(QDateTimeEdit::Section s, int index) const;
-    int absoluteIndex(const SectionNode &s) const;
+    int absoluteIndex(SectionNode s) const;
     QDateTime stepBy(int index, int steps, bool test = false) const;
     int sectionAt(int pos) const;
     int closestSection(int index, bool forward) const;