diff --git a/src/plugins/clangcodemodel/clangbackendipcintegration.cpp b/src/plugins/clangcodemodel/clangbackendipcintegration.cpp
index fdd20c8edee..a6606712cd0 100644
--- a/src/plugins/clangcodemodel/clangbackendipcintegration.cpp
+++ b/src/plugins/clangcodemodel/clangbackendipcintegration.cpp
@@ -376,16 +376,6 @@ void IpcCommunicator::registerProjectsParts(const QList<CppTools::ProjectPart::P
     registerProjectPartsForEditor(projectPartContainers);
 }
 
-void IpcCommunicator::registerTranslationUnit(TextEditor::TextDocument *document)
-{
-    const QString filePath = document->filePath().toString();
-    const QString projectPartId = Utils::projectPartIdForFile(filePath);
-
-    registerTranslationUnitsForEditor({{Utf8String(filePath),
-                                        Utf8String(projectPartId),
-                                        uint(document->document()->revision())}});
-}
-
 void IpcCommunicator::updateTranslationUnitFromCppEditorDocument(const QString &filePath)
 {
     const auto document = CppTools::CppModelManager::instance()->cppEditorDocument(filePath);
@@ -426,25 +416,6 @@ void setLastSentDocumentRevision(const QString &filePath,
 }
 }
 
-void IpcCommunicator::registerTranslationUnit(const QString &filePath,
-                                              const QByteArray &contents,
-                                              uint documentRevision)
-{
-    const QString projectPartId = Utils::projectPartIdForFile(filePath);
-
-    if (documentHasChanged(filePath)) {
-        const bool hasUnsavedContent = true;
-
-        registerTranslationUnitsForEditor({{filePath,
-                                            projectPartId,
-                                            Utf8String::fromByteArray(contents),
-                                            hasUnsavedContent,
-                                            documentRevision}});
-
-        setLastSentDocumentRevision(filePath, documentRevision);
-    }
-}
-
 void IpcCommunicator::updateTranslationUnit(const QString &filePath,
                                             const QByteArray &contents,
                                             uint documentRevision)
diff --git a/src/plugins/clangcodemodel/clangbackendipcintegration.h b/src/plugins/clangcodemodel/clangbackendipcintegration.h
index eb08e7aaa9e..eafec7367e9 100644
--- a/src/plugins/clangcodemodel/clangbackendipcintegration.h
+++ b/src/plugins/clangcodemodel/clangbackendipcintegration.h
@@ -133,8 +133,6 @@ public:
 
     void registerProjectsParts(const QList<CppTools::ProjectPart::Ptr> projectParts);
 
-    void registerTranslationUnit(TextEditor::TextDocument *document);
-    void registerTranslationUnit(const QString &filePath, const QByteArray &contents, uint documentRevision);
     void updateTranslationUnitIfNotCurrentDocument(Core::IDocument *document);
     void updateTranslationUnit(Core::IDocument *document);
     void updateUnsavedFile(Core::IDocument *document);