diff --git a/src/phrase.cpp b/src/phrase.cpp
index c81d808..9c1ab02 100644
--- a/src/phrase.cpp
+++ b/src/phrase.cpp
@@ -266,11 +266,13 @@ ConditionalPhrase::ConditionalPhrase(const ConditionalPhrase &other)
 //    const_cast<ConditionalPhrase&>(other).data = 0;
 }
 
+#ifdef Q_COMPILER_RVALUE_REFS
 ConditionalPhrase::ConditionalPhrase(const ConditionalPhrase &&other)
 {
     qDebug() << "************* ctor called:";
     this->data = qMove(other.data);
 }
+#endif
 
 ConditionalPhrase::ConditionalPhrase(const PhraseData *data)
 {
diff --git a/src/phrase.h b/src/phrase.h
index 76b94b6..2e45c25 100644
--- a/src/phrase.h
+++ b/src/phrase.h
@@ -66,9 +66,6 @@ public:
         And = 20,
         Or,
 
-//        Append,
-//        Set,
-
         Add,
         Minus,
         Multiple,
@@ -161,7 +158,9 @@ public:
     QSharedPointer<PhraseData> rightDataPointer;
     ConditionalPhrase();
     ConditionalPhrase(const ConditionalPhrase &other);
+#ifdef Q_COMPILER_RVALUE_REFS
     ConditionalPhrase(const ConditionalPhrase &&other);
+#endif
     ConditionalPhrase(const PhraseData *data);
     ConditionalPhrase(AbstractFieldPhrase *, PhraseData::Condition);
     ConditionalPhrase(AbstractFieldPhrase *, PhraseData::Condition, const QVariant &v);
@@ -205,7 +204,7 @@ public:
 
         return ConditionalPhrase(this, PhraseData::In, vlist);
     }
-#if __cplusplus >= 201103L
+#ifdef Q_COMPILER_INITIALIZER_LISTS
     ConditionalPhrase in(std::initializer_list<int> list) {
         QVariantList vlist;
         std::initializer_list<int>::iterator it;