diff --git a/src/plugins/clangcodemodel/clangassistproposalitem.h b/src/plugins/clangcodemodel/clangassistproposalitem.h
index 8a132b1c1d1..5e7ec8fefab 100644
--- a/src/plugins/clangcodemodel/clangassistproposalitem.h
+++ b/src/plugins/clangcodemodel/clangassistproposalitem.h
@@ -39,6 +39,7 @@ class ClangAssistProposalItem final : public TextEditor::AssistProposalItemInter
 {
     friend bool operator<(const ClangAssistProposalItem &first, const ClangAssistProposalItem &second);
 public:
+    ~ClangAssistProposalItem() Q_DECL_NOEXCEPT {}
     bool prematurelyApplies(const QChar &typedCharacter) const final;
     bool implicitlyApplies() const final;
     void apply(TextEditor::TextDocumentManipulatorInterface &manipulator, int basePosition) const final;
diff --git a/src/plugins/clangcodemodel/clangpreprocessorassistproposalitem.h b/src/plugins/clangcodemodel/clangpreprocessorassistproposalitem.h
index 324ccd41938..771cb0aa3da 100644
--- a/src/plugins/clangcodemodel/clangpreprocessorassistproposalitem.h
+++ b/src/plugins/clangcodemodel/clangpreprocessorassistproposalitem.h
@@ -36,6 +36,7 @@ namespace ClangCodeModel {
 class ClangPreprocessorAssistProposalItem final : public TextEditor::AssistProposalItemInterface
 {
 public:
+    ~ClangPreprocessorAssistProposalItem() Q_DECL_NOEXCEPT {}
     bool prematurelyApplies(const QChar &typedChar) const final;
     virtual bool implicitlyApplies() const final;
     void apply(TextEditor::TextDocumentManipulatorInterface &manipulator,
diff --git a/src/plugins/cppeditor/cppvirtualfunctionproposalitem.h b/src/plugins/cppeditor/cppvirtualfunctionproposalitem.h
index 58daca12297..873200ab637 100644
--- a/src/plugins/cppeditor/cppvirtualfunctionproposalitem.h
+++ b/src/plugins/cppeditor/cppvirtualfunctionproposalitem.h
@@ -37,6 +37,7 @@ class VirtualFunctionProposalItem final : public TextEditor::AssistProposalItem
 public:
     VirtualFunctionProposalItem(const TextEditor::TextEditorWidget::Link &link,
                                 bool openInSplit = true);
+    ~VirtualFunctionProposalItem() Q_DECL_NOEXCEPT {}
     void apply(TextEditor::TextEditorWidget * /* editorWidget */, int /* basePosition */) const;
     TextEditor::TextEditorWidget::Link link() const { return m_link; } // Exposed for tests
 
diff --git a/src/plugins/cpptools/cppcompletionassist.cpp b/src/plugins/cpptools/cppcompletionassist.cpp
index c798d4d7760..b5b986eed79 100644
--- a/src/plugins/cpptools/cppcompletionassist.cpp
+++ b/src/plugins/cpptools/cppcompletionassist.cpp
@@ -86,6 +86,7 @@ public:
     CppAssistProposalItem() :
         m_isOverloaded(false) {}
 
+    ~CppAssistProposalItem() Q_DECL_NOEXCEPT {}
     bool prematurelyApplies(const QChar &c) const override;
     void applyContextualContent(TextDocumentManipulatorInterface &manipulator, int basePosition) const override;
 
diff --git a/src/plugins/texteditor/circularclipboardassist.cpp b/src/plugins/texteditor/circularclipboardassist.cpp
index df4d94c8d72..16ace243865 100644
--- a/src/plugins/texteditor/circularclipboardassist.cpp
+++ b/src/plugins/texteditor/circularclipboardassist.cpp
@@ -58,6 +58,8 @@ public:
         setText(text);
     }
 
+    ~ClipboardProposalItem() Q_DECL_NOEXCEPT {}
+
     void apply(TextDocumentManipulatorInterface &manipulator, int /*basePosition*/) const override
     {
 
diff --git a/src/plugins/texteditor/codeassist/assistproposalitem.h b/src/plugins/texteditor/codeassist/assistproposalitem.h
index 03fc59fe9fd..6d2eb3b00b1 100644
--- a/src/plugins/texteditor/codeassist/assistproposalitem.h
+++ b/src/plugins/texteditor/codeassist/assistproposalitem.h
@@ -41,6 +41,7 @@ class TextEditorWidget;
 class TEXTEDITOR_EXPORT AssistProposalItem : public AssistProposalItemInterface
 {
 public:
+    ~AssistProposalItem() Q_DECL_NOEXCEPT {}
     QString text() const override;
     bool implicitlyApplies() const override;
     bool prematurelyApplies(const QChar &c) const override;
diff --git a/src/plugins/texteditor/codeassist/keywordscompletionassist.cpp b/src/plugins/texteditor/codeassist/keywordscompletionassist.cpp
index c9bcc3ae658..4449f06d525 100644
--- a/src/plugins/texteditor/codeassist/keywordscompletionassist.cpp
+++ b/src/plugins/texteditor/codeassist/keywordscompletionassist.cpp
@@ -83,7 +83,7 @@ KeywordsAssistProposalItem::KeywordsAssistProposalItem(bool isFunction)
 {
 }
 
-KeywordsAssistProposalItem::~KeywordsAssistProposalItem()
+KeywordsAssistProposalItem::~KeywordsAssistProposalItem() Q_DECL_NOEXCEPT
 {}
 
 bool KeywordsAssistProposalItem::prematurelyApplies(const QChar &c) const
diff --git a/src/plugins/texteditor/codeassist/keywordscompletionassist.h b/src/plugins/texteditor/codeassist/keywordscompletionassist.h
index ece37a55ac8..68e7246e68e 100644
--- a/src/plugins/texteditor/codeassist/keywordscompletionassist.h
+++ b/src/plugins/texteditor/codeassist/keywordscompletionassist.h
@@ -55,7 +55,7 @@ class TEXTEDITOR_EXPORT KeywordsAssistProposalItem : public AssistProposalItem
 {
 public:
     KeywordsAssistProposalItem(bool isFunction);
-    ~KeywordsAssistProposalItem();
+    ~KeywordsAssistProposalItem() Q_DECL_NOEXCEPT;
 
     bool prematurelyApplies(const QChar &c) const override;
     void applyContextualContent(TextDocumentManipulatorInterface &manipulator, int basePosition) const override;