diff --git a/src/plugins/clangcodemodel/clangassistproposalmodel.cpp b/src/plugins/clangcodemodel/clangassistproposalmodel.cpp
index 1421481a619..26ca6f61857 100644
--- a/src/plugins/clangcodemodel/clangassistproposalmodel.cpp
+++ b/src/plugins/clangcodemodel/clangassistproposalmodel.cpp
@@ -38,7 +38,6 @@ ClangAssistProposalModel::ClangAssistProposalModel(
         ClangBackEnd::CompletionCorrection neededCorrection)
     : m_neededCorrection(neededCorrection)
 {
-    setDetailTextFormat(Qt::RichText);
 }
 
 bool ClangAssistProposalModel::isSortable(const QString &/*prefix*/) const
diff --git a/src/plugins/texteditor/codeassist/genericproposalmodel.cpp b/src/plugins/texteditor/codeassist/genericproposalmodel.cpp
index 349bb79acce..3b6ca22c075 100644
--- a/src/plugins/texteditor/codeassist/genericproposalmodel.cpp
+++ b/src/plugins/texteditor/codeassist/genericproposalmodel.cpp
@@ -130,7 +130,6 @@ private:
 } // Anonymous
 
 GenericProposalModel::GenericProposalModel()
-    : m_detailTextFormat(Qt::AutoText)
 {}
 
 GenericProposalModel::~GenericProposalModel()
@@ -146,16 +145,6 @@ void GenericProposalModel::loadContent(const QList<AssistProposalItem *> &items)
         m_idByText.insert(m_originalItems.at(i)->text(), i);
 }
 
-Qt::TextFormat GenericProposalModel::detailTextFormat() const
-{
-    return m_detailTextFormat;
-}
-
-void GenericProposalModel::setDetailTextFormat(Qt::TextFormat detailTextFormat)
-{
-    m_detailTextFormat = detailTextFormat;
-}
-
 void GenericProposalModel::reset()
 {
     m_currentItems = m_originalItems;
diff --git a/src/plugins/texteditor/codeassist/genericproposalmodel.h b/src/plugins/texteditor/codeassist/genericproposalmodel.h
index a32f525ded2..b83847ff1c8 100644
--- a/src/plugins/texteditor/codeassist/genericproposalmodel.h
+++ b/src/plugins/texteditor/codeassist/genericproposalmodel.h
@@ -67,16 +67,12 @@ public:
     void setSortingAllowed(bool isAllowed);
     bool isSortingAllowed() const;
 
-    Qt::TextFormat detailTextFormat() const;
-    void setDetailTextFormat(Qt::TextFormat detailTextFormat);
-
 protected:
     QList<AssistProposalItem *> m_currentItems;
 
 private:
     QHash<QString, int> m_idByText;
     QList<AssistProposalItem *> m_originalItems;
-    Qt::TextFormat m_detailTextFormat;
 };
 } // TextEditor
 
diff --git a/src/plugins/texteditor/codeassist/genericproposalwidget.cpp b/src/plugins/texteditor/codeassist/genericproposalwidget.cpp
index 7c888d0ec45..2e59be0c4b2 100644
--- a/src/plugins/texteditor/codeassist/genericproposalwidget.cpp
+++ b/src/plugins/texteditor/codeassist/genericproposalwidget.cpp
@@ -163,11 +163,6 @@ public:
         m_label->setText(text);
     }
 
-    void setTextFormat(Qt::TextFormat textFormat)
-    {
-        m_label->setTextFormat(textFormat);
-    }
-
     // Workaround QTCREATORBUG-11653
     void calculateMaximumWidth()
     {
@@ -311,7 +306,6 @@ void GenericProposalWidgetPrivate::maybeShowInfoTip()
 
     m_infoFrame->move(m_completionListView->infoFramePos());
     m_infoFrame->setText(infoTip);
-    m_infoFrame->setTextFormat(m_model->detailTextFormat());
     m_infoFrame->calculateMaximumWidth();
     m_infoFrame->adjustSize();
     m_infoFrame->show();