diff --git a/src/plugins/diffeditor/diffeditorcontroller.cpp b/src/plugins/diffeditor/diffeditorcontroller.cpp
index 31d33685f9e..dda67c49c01 100644
--- a/src/plugins/diffeditor/diffeditorcontroller.cpp
+++ b/src/plugins/diffeditor/diffeditorcontroller.cpp
@@ -32,14 +32,14 @@ bool DiffEditorController::isReloading() const
     return m_isReloading;
 }
 
-FilePath DiffEditorController::baseDirectory() const
+FilePath DiffEditorController::workingDirectory() const
 {
-    return m_document->baseDirectory();
+    return m_document->workingDirectory();
 }
 
-void DiffEditorController::setBaseDirectory(const FilePath &directory)
+void DiffEditorController::setWorkingDirectory(const FilePath &directory)
 {
-    m_document->setBaseDirectory(directory);
+    m_document->setWorkingDirectory(directory);
 }
 
 int DiffEditorController::contextLineCount() const
@@ -76,10 +76,9 @@ DiffEditorController *DiffEditorController::controller(Core::IDocument *document
     return doc ? doc->controller() : nullptr;
 }
 
-void DiffEditorController::setDiffFiles(const QList<FileData> &diffFileList,
-                                        const FilePath &workingDirectory)
+void DiffEditorController::setDiffFiles(const QList<FileData> &diffFileList)
 {
-    m_document->setDiffFiles(diffFileList, workingDirectory);
+    m_document->setDiffFiles(diffFileList);
 }
 
 void DiffEditorController::setDescription(const QString &description)
diff --git a/src/plugins/diffeditor/diffeditorcontroller.h b/src/plugins/diffeditor/diffeditorcontroller.h
index d48d56bb14d..5df95225f3a 100644
--- a/src/plugins/diffeditor/diffeditorcontroller.h
+++ b/src/plugins/diffeditor/diffeditorcontroller.h
@@ -30,8 +30,8 @@ public:
     void requestReload();
     bool isReloading() const;
 
-    Utils::FilePath baseDirectory() const;
-    void setBaseDirectory(const Utils::FilePath &directory);
+    Utils::FilePath workingDirectory() const;
+    void setWorkingDirectory(const Utils::FilePath &directory);
     int contextLineCount() const;
     bool ignoreWhitespace() const;
 
@@ -67,8 +67,7 @@ protected:
     void reloadFinished(bool success);
 
     void setStartupFile(const QString &startupFile);
-    void setDiffFiles(const QList<FileData> &diffFileList,
-                      const Utils::FilePath &baseDirectory = {});
+    void setDiffFiles(const QList<FileData> &diffFileList);
     void setDescription(const QString &description);
     QString description() const;
     void forceContextLineCount(int lines);
diff --git a/src/plugins/diffeditor/diffeditordocument.cpp b/src/plugins/diffeditor/diffeditordocument.cpp
index d82a4f0ef21..a0491e995ce 100644
--- a/src/plugins/diffeditor/diffeditordocument.cpp
+++ b/src/plugins/diffeditor/diffeditordocument.cpp
@@ -139,11 +139,9 @@ QString DiffEditorDocument::makePatch(int fileIndex, int chunkIndex,
                                 lastChunk && fileData.lastChunkAtTheEndOfFile);
 }
 
-void DiffEditorDocument::setDiffFiles(const QList<FileData> &data, const FilePath &directory)
+void DiffEditorDocument::setDiffFiles(const QList<FileData> &data)
 {
     m_diffFiles = data;
-    if (!directory.isEmpty())
-        m_baseDirectory = directory;
     emit documentChanged();
 }
 
@@ -152,14 +150,14 @@ QList<FileData> DiffEditorDocument::diffFiles() const
     return m_diffFiles;
 }
 
-FilePath DiffEditorDocument::baseDirectory() const
+FilePath DiffEditorDocument::workingDirectory() const
 {
-    return m_baseDirectory;
+    return m_workingDirectory;
 }
 
-void DiffEditorDocument::setBaseDirectory(const FilePath &directory)
+void DiffEditorDocument::setWorkingDirectory(const FilePath &directory)
 {
-    m_baseDirectory = directory;
+    m_workingDirectory = directory;
 }
 
 void DiffEditorDocument::setStartupFile(const QString &startupFile)
@@ -226,8 +224,8 @@ bool DiffEditorDocument::setContents(const QByteArray &contents)
 
 FilePath DiffEditorDocument::fallbackSaveAsPath() const
 {
-    if (!m_baseDirectory.isEmpty())
-        return m_baseDirectory;
+    if (!m_workingDirectory.isEmpty())
+        return m_workingDirectory;
     return FileUtils::homePath();
 }
 
@@ -301,7 +299,8 @@ Core::IDocument::OpenResult DiffEditorDocument::open(QString *errorString, const
         setTemporary(false);
         emit temporaryStateChanged();
         setFilePath(filePath.absoluteFilePath());
-        setDiffFiles(fileDataList, filePath.absoluteFilePath());
+        setWorkingDirectory(filePath.absoluteFilePath());
+        setDiffFiles(fileDataList);
     }
     endReload(ok);
     if (!ok && readResult == TextFileFormat::ReadEncodingError)
@@ -386,7 +385,7 @@ void DiffEditorDocument::beginReload()
     m_state = Reloading;
     emit changed();
     QSignalBlocker blocker(this);
-    setDiffFiles({}, {});
+    setDiffFiles({});
     setDescription({});
 }
 
diff --git a/src/plugins/diffeditor/diffeditordocument.h b/src/plugins/diffeditor/diffeditordocument.h
index 904de9032b3..f7286bf64b3 100644
--- a/src/plugins/diffeditor/diffeditordocument.h
+++ b/src/plugins/diffeditor/diffeditordocument.h
@@ -38,10 +38,10 @@ public:
                       Core::PatchAction patchAction, bool addPrefix = false,
                       const QString &overriddenFileName = {}) const;
 
-    void setDiffFiles(const QList<FileData> &data, const Utils::FilePath &directory);
+    void setDiffFiles(const QList<FileData> &data);
     QList<FileData> diffFiles() const;
-    Utils::FilePath baseDirectory() const;
-    void setBaseDirectory(const Utils::FilePath &directory);
+    Utils::FilePath workingDirectory() const;
+    void setWorkingDirectory(const Utils::FilePath &directory);
     void setStartupFile(const QString &startupFile);
     QString startupFile() const;
 
@@ -82,7 +82,7 @@ private:
 
     DiffEditorController *m_controller = nullptr;
     QList<FileData> m_diffFiles;
-    Utils::FilePath m_baseDirectory;
+    Utils::FilePath m_workingDirectory;
     QString m_startupFile;
     QString m_description;
     int m_contextLineCount = 3;
diff --git a/src/plugins/diffeditor/diffeditorwidgetcontroller.cpp b/src/plugins/diffeditor/diffeditorwidgetcontroller.cpp
index 5d71837b335..c0f03709315 100644
--- a/src/plugins/diffeditor/diffeditorwidgetcontroller.cpp
+++ b/src/plugins/diffeditor/diffeditorwidgetcontroller.cpp
@@ -142,9 +142,9 @@ void DiffEditorWidgetController::patch(PatchAction patchAction, int fileIndex, i
             ? fileData.fileInfo[LeftSide].patchBehaviour
             : fileData.fileInfo[RightSide].patchBehaviour;
 
-    const FilePath workingDirectory = m_document->baseDirectory().isEmpty()
+    const FilePath workingDirectory = m_document->workingDirectory().isEmpty()
             ? FilePath::fromString(fileName).absolutePath()
-            : m_document->baseDirectory();
+            : m_document->workingDirectory();
     const FilePath absFilePath = workingDirectory.resolvePath(fileName).absoluteFilePath();
 
     auto textDocument = qobject_cast<TextEditor::TextDocument *>(
@@ -158,7 +158,7 @@ void DiffEditorWidgetController::patch(PatchAction patchAction, int fileIndex, i
     if (patchBehaviour == DiffFileInfo::PatchFile) {
         if (textDocument && !EditorManager::saveDocument(textDocument))
             return;
-        const int strip = m_document->baseDirectory().isEmpty() ? -1 : 0;
+        const int strip = m_document->workingDirectory().isEmpty() ? -1 : 0;
 
         const QString patch = m_document->makePatch(fileIndex, chunkIndex, {}, patchAction);
 
@@ -205,7 +205,7 @@ void DiffEditorWidgetController::jumpToOriginalFile(const QString &fileName,
     if (!m_document)
         return;
 
-    const FilePath filePath = m_document->baseDirectory().resolvePath(fileName);
+    const FilePath filePath = m_document->workingDirectory().resolvePath(fileName);
     if (filePath.exists() && !filePath.isDir())
         EditorManager::openEditorAt({filePath, lineNumber, columnNumber});
 }
diff --git a/src/plugins/git/gitclient.cpp b/src/plugins/git/gitclient.cpp
index 34c357b2c53..5235f8a21bc 100644
--- a/src/plugins/git/gitclient.cpp
+++ b/src/plugins/git/gitclient.cpp
@@ -256,10 +256,10 @@ private:
             setupDiffProcessor(async, storage->m_stagedOutput + storage->m_unstagedOutput);
         };
         const auto onProcessDiffDone = [this, storage](const AsyncTask<QList<FileData>> &async) {
-            setDiffFiles(async.result(), workingDirectory());
+            setDiffFiles(async.result());
         };
         const auto onProcessDiffError = [this, storage](const AsyncTask<QList<FileData>> &) {
-            setDiffFiles({}, workingDirectory());
+            setDiffFiles({});
         };
 
         const Group root {
@@ -474,10 +474,10 @@ Tasking::Group ShowController::reloadRecipe()
         setupDiffProcessor(async, storage->m_diffOutput);
     };
     const auto onProcessDiffDone = [this, storage](const AsyncTask<QList<FileData>> &async) {
-        setDiffFiles(async.result(), workingDirectory());
+        setDiffFiles(async.result());
     };
     const auto onProcessDiffError = [this, storage](const AsyncTask<QList<FileData>> &) {
-        setDiffFiles({}, workingDirectory());
+        setDiffFiles({});
     };
 
     const Group root {
@@ -915,7 +915,7 @@ void GitClient::stage(DiffEditor::DiffEditorController *diffController,
     if (!patchFile.open())
         return;
 
-    const FilePath baseDir = diffController->baseDirectory();
+    const FilePath baseDir = diffController->workingDirectory();
     QTextCodec *codec = EditorManager::defaultTextCodec();
     const QByteArray patchData = codec
             ? codec->fromUnicode(patch) : patch.toLocal8Bit();
diff --git a/src/plugins/vcsbase/vcsbasediffeditorcontroller.cpp b/src/plugins/vcsbase/vcsbasediffeditorcontroller.cpp
index 089b37f9367..5cc085f5c38 100644
--- a/src/plugins/vcsbase/vcsbasediffeditorcontroller.cpp
+++ b/src/plugins/vcsbase/vcsbasediffeditorcontroller.cpp
@@ -46,7 +46,6 @@ public:
     void commandFinished(bool success);
 
     VcsBaseDiffEditorController *q;
-    FilePath m_directory;
     Environment m_processEnvironment;
     FilePath m_vcsBinary;
     int m_vscTimeoutS;
@@ -75,7 +74,7 @@ void VcsBaseDiffEditorControllerPrivate::processingFinished()
     m_processWatcher->deleteLater();
     m_processWatcher = nullptr;
 
-    q->setDiffFiles(fileDataList, q->workingDirectory());
+    q->setDiffFiles(fileDataList);
     q->reloadFinished(success);
 }
 
@@ -180,17 +179,6 @@ void VcsBaseDiffEditorController::processCommandOutput(const QString &output)
     d->processDiff(output);
 }
 
-FilePath VcsBaseDiffEditorController::workingDirectory() const
-{
-    return d->m_directory;
-}
-
-void VcsBase::VcsBaseDiffEditorController::setWorkingDirectory(const FilePath &workingDir)
-{
-    d->m_directory = workingDir;
-    setBaseDirectory(workingDir);
-}
-
 void VcsBaseDiffEditorController::setVcsTimeoutS(int value)
 {
     d->m_vscTimeoutS = value;
diff --git a/src/plugins/vcsbase/vcsbasediffeditorcontroller.h b/src/plugins/vcsbase/vcsbasediffeditorcontroller.h
index 3c29ae6c307..bd5294e6c40 100644
--- a/src/plugins/vcsbase/vcsbasediffeditorcontroller.h
+++ b/src/plugins/vcsbase/vcsbasediffeditorcontroller.h
@@ -36,7 +36,6 @@ public:
     void setProcessEnvironment(const Utils::Environment &value);
     void setVcsBinary(const Utils::FilePath &path);
     void setVcsTimeoutS(int value);
-    void setWorkingDirectory(const Utils::FilePath &workingDir);
 
 protected:
     void setupCommand(Utils::QtcProcess &process, const QStringList &args) const;
@@ -45,8 +44,6 @@ protected:
     void runCommand(const QList<QStringList> &args, RunFlags flags, QTextCodec *codec = nullptr);
     virtual void processCommandOutput(const QString &output);
 
-    Utils::FilePath workingDirectory() const;
-
 private:
     friend class VcsBaseDiffEditorControllerPrivate;
     VcsBaseDiffEditorControllerPrivate *d;