diff --git a/src/plugins/git/gitclient.cpp b/src/plugins/git/gitclient.cpp
index a6bf59df630..d06ac0e03b2 100644
--- a/src/plugins/git/gitclient.cpp
+++ b/src/plugins/git/gitclient.cpp
@@ -823,6 +823,24 @@ bool GitClient::managesFile(const QString &workingDirectory, const QString &file
             == SynchronousProcessResponse::Finished;
 }
 
+QStringList GitClient::unmanagedFiles(const QString &workingDirectory,
+                                      const QStringList &filePaths) const
+{
+    QStringList args({"ls-files", "-z"});
+    QDir wd(workingDirectory);
+    args << transform(filePaths, [&wd](const QString &fp) { return wd.relativeFilePath(fp); });
+    const SynchronousProcessResponse response
+            = vcsFullySynchronousExec(workingDirectory, args, Core::ShellCommand::NoOutput);
+    if (response.result != SynchronousProcessResponse::Finished)
+        return filePaths;
+    const QStringList managedFilePaths
+            = transform(response.stdOut().split('\0', QString::SkipEmptyParts),
+                        [&wd](const QString &fp) { return wd.absoluteFilePath(fp); });
+    return filtered(filePaths, [&managedFilePaths](const QString &fp) {
+        return !managedFilePaths.contains(fp);
+    });
+}
+
 QTextCodec *GitClient::codecFor(GitClient::CodecType codecType, const QString &source) const
 {
     if (codecType == CodecSource) {
diff --git a/src/plugins/git/gitclient.h b/src/plugins/git/gitclient.h
index 32f7ac0e25e..f23ac7dd652 100644
--- a/src/plugins/git/gitclient.h
+++ b/src/plugins/git/gitclient.h
@@ -133,6 +133,7 @@ public:
     QString findRepositoryForDirectory(const QString &directory) const;
     QString findGitDirForRepository(const QString &repositoryDir) const;
     bool managesFile(const QString &workingDirectory, const QString &fileName) const;
+    QStringList unmanagedFiles(const QString &workingDirectory, const QStringList &filePaths) const;
 
     void diffFile(const QString &workingDirectory, const QString &fileName) const;
     void diffFiles(const QString &workingDirectory,
diff --git a/src/plugins/git/gitversioncontrol.cpp b/src/plugins/git/gitversioncontrol.cpp
index 123cf6753c7..822f7373937 100644
--- a/src/plugins/git/gitversioncontrol.cpp
+++ b/src/plugins/git/gitversioncontrol.cpp
@@ -190,6 +190,12 @@ bool GitVersionControl::managesFile(const QString &workingDirectory, const QStri
     return m_client->managesFile(workingDirectory, fileName);
 }
 
+QStringList GitVersionControl::unmanagedFiles(const QString &workingDir,
+                                              const QStringList &filePaths) const
+{
+    return m_client->unmanagedFiles(workingDir, filePaths);
+}
+
 bool GitVersionControl::vcsAnnotate(const QString &file, int line)
 {
     const QFileInfo fi(file);
diff --git a/src/plugins/git/gitversioncontrol.h b/src/plugins/git/gitversioncontrol.h
index 7985040f8e4..fd8fd8c0697 100644
--- a/src/plugins/git/gitversioncontrol.h
+++ b/src/plugins/git/gitversioncontrol.h
@@ -46,6 +46,7 @@ public:
 
     bool managesDirectory(const QString &directory, QString *topLevel) const final;
     bool managesFile(const QString &workingDirectory, const QString &fileName) const final;
+    QStringList unmanagedFiles(const QString &workingDir, const QStringList &filePaths) const final;
 
     bool isConfigured() const final;
     bool supportsOperation(Operation operation) const final;