diff --git a/src/libs/utils/devicefileaccess.cpp b/src/libs/utils/devicefileaccess.cpp
index 39bdc736e09..d3a8360136e 100644
--- a/src/libs/utils/devicefileaccess.cpp
+++ b/src/libs/utils/devicefileaccess.cpp
@@ -314,12 +314,10 @@ expected_str<QByteArray> DeviceFileAccess::fileContents(const FilePath &filePath
 }
 
 expected_str<qint64> DeviceFileAccess::writeFileContents(const FilePath &filePath,
-                                                         const QByteArray &data,
-                                                         qint64 offset) const
+                                                         const QByteArray &data) const
 {
     Q_UNUSED(filePath)
     Q_UNUSED(data)
-    Q_UNUSED(offset)
     QTC_CHECK(false);
     return make_unexpected(
         Tr::tr("writeFileContents is not implemented for \"%1\".").arg(filePath.toUserOutput()));
@@ -738,8 +736,7 @@ expected_str<QByteArray> DesktopDeviceFileAccess::fileContents(const FilePath &f
 }
 
 expected_str<qint64> DesktopDeviceFileAccess::writeFileContents(const FilePath &filePath,
-                                                                const QByteArray &data,
-                                                                qint64 offset) const
+                                                                const QByteArray &data) const
 {
     QFile file(filePath.path());
     const bool isOpened = file.open(QFile::WriteOnly | QFile::Truncate);
@@ -747,8 +744,6 @@ expected_str<qint64> DesktopDeviceFileAccess::writeFileContents(const FilePath &
         return make_unexpected(
             Tr::tr("Could not open file \"%1\" for writing.").arg(filePath.toUserOutput()));
 
-    if (offset != 0)
-        file.seek(offset);
     qint64 res = file.write(data);
     if (res != data.size())
         return make_unexpected(
@@ -1088,17 +1083,12 @@ expected_str<QByteArray> UnixDeviceFileAccess::fileContents(const FilePath &file
 }
 
 expected_str<qint64> UnixDeviceFileAccess::writeFileContents(const FilePath &filePath,
-                                                             const QByteArray &data,
-                                                             qint64 offset) const
+                                                             const QByteArray &data) const
 {
     if (disconnected())
         return make_unexpected_disconnected();
 
     QStringList args = {"of=" + filePath.path()};
-    if (offset != 0) {
-        args.append("bs=1");
-        args.append(QString("seek=%1").arg(offset));
-    }
     RunResult result = runInShell({"dd", args, OsType::OsTypeLinux}, data);
 
     if (result.exitCode != 0) {
diff --git a/src/libs/utils/devicefileaccess.h b/src/libs/utils/devicefileaccess.h
index ba484541275..8a0884ec1d0 100644
--- a/src/libs/utils/devicefileaccess.h
+++ b/src/libs/utils/devicefileaccess.h
@@ -69,8 +69,7 @@ protected:
                                                   qint64 offset) const;
 
     virtual expected_str<qint64> writeFileContents(const FilePath &filePath,
-                                                   const QByteArray &data,
-                                                   qint64 offset) const;
+                                                   const QByteArray &data) const;
 
     virtual expected_str<FilePath> createTempFile(const FilePath &filePath);
 };
@@ -125,8 +124,7 @@ protected:
                                           qint64 limit,
                                           qint64 offset) const override;
     expected_str<qint64> writeFileContents(const FilePath &filePath,
-                                           const QByteArray &data,
-                                           qint64 offset) const override;
+                                           const QByteArray &data) const override;
 
     expected_str<FilePath> createTempFile(const FilePath &filePath) override;
 
@@ -178,8 +176,7 @@ protected:
                                           qint64 limit,
                                           qint64 offset) const override;
     expected_str<qint64> writeFileContents(const FilePath &filePath,
-                                           const QByteArray &data,
-                                           qint64 offset) const override;
+                                           const QByteArray &data) const override;
 
     expected_str<FilePath> createTempFile(const FilePath &filePath) override;
 
diff --git a/src/libs/utils/filepath.cpp b/src/libs/utils/filepath.cpp
index 562f3247bd8..1b9b6e943c3 100644
--- a/src/libs/utils/filepath.cpp
+++ b/src/libs/utils/filepath.cpp
@@ -655,9 +655,9 @@ bool FilePath::ensureReachable(const FilePath &other) const
     return false;
 }
 
-expected_str<qint64> FilePath::writeFileContents(const QByteArray &data, qint64 offset) const
+expected_str<qint64> FilePath::writeFileContents(const QByteArray &data) const
 {
-    return fileAccess()->writeFileContents(*this, data, offset);
+    return fileAccess()->writeFileContents(*this, data);
 }
 
 FileStreamHandle FilePath::asyncCopy(const FilePath &target, QObject *context,
diff --git a/src/libs/utils/filepath.h b/src/libs/utils/filepath.h
index 2b1eb14069e..cb975248ec2 100644
--- a/src/libs/utils/filepath.h
+++ b/src/libs/utils/filepath.h
@@ -139,7 +139,7 @@ public:
     FilePaths dirEntries(const FileFilter &filter, QDir::SortFlags sort = QDir::NoSort) const;
     FilePaths dirEntries(QDir::Filters filters) const;
     expected_str<QByteArray> fileContents(qint64 maxSize = -1, qint64 offset = 0) const;
-    expected_str<qint64> writeFileContents(const QByteArray &data, qint64 offset = 0) const;
+    expected_str<qint64> writeFileContents(const QByteArray &data) const;
     FilePathInfo filePathInfo() const;
 
     [[nodiscard]] FilePath operator/(const QString &str) const;