diff --git a/sdk/openbr_plugin.cpp b/sdk/openbr_plugin.cpp
index 9ed291f..20b913f 100644
--- a/sdk/openbr_plugin.cpp
+++ b/sdk/openbr_plugin.cpp
@@ -110,29 +110,6 @@ QVariant File::value(const QString &key) const
     return m_metadata.contains(key) ? m_metadata.value(key) : Globals->property(qPrintable(key));
 }
 
-QString File::subject(int label)
-{
-    return Globals->classes.key(label, QString::number(label));
-}
-
-float File::label() const
-{
-    const QVariant variant = value("Label");
-    if (variant.isNull()) return -1;
-
-    if (Globals->classes.contains(variant.toString()))
-        return Globals->classes.value(variant.toString());
-
-    bool ok;
-    const float val = variant.toFloat(&ok);
-    return ok ? val : -1;
-}
-
-void File::remove(const QString &key)
-{
-    m_metadata.remove(key);
-}
-
 void File::set(const QString &key, const QVariant &value)
 {
     if (key == "Label") {
@@ -153,6 +130,24 @@ void File::set(const QString &key, const QVariant &value)
     m_metadata.insert(key, value);
 }
 
+QString File::subject(int label)
+{
+    return Globals->classes.key(label, QString::number(label));
+}
+
+float File::label() const
+{
+    const QVariant variant = value("Label");
+    if (variant.isNull()) return -1;
+
+    if (Globals->classes.contains(variant.toString()))
+        return Globals->classes.value(variant.toString());
+
+    bool ok;
+    const float val = variant.toFloat(&ok);
+    return ok ? val : -1;
+}
+
 QList<QPointF> File::landmarks() const
 {
     QList<QPointF> landmarks;
diff --git a/sdk/openbr_plugin.h b/sdk/openbr_plugin.h
index d297d8f..67ec34d 100644
--- a/sdk/openbr_plugin.h
+++ b/sdk/openbr_plugin.h
@@ -161,12 +161,15 @@ struct BR_EXPORT File
     inline operator QString() const { return name; } /*!< \brief Returns #name. */
     QString flat() const; /*!< \brief A stringified version of the file with metadata. */
     QString hash() const; /*!< \brief A hash of the file. */
-    inline void clear() { name.clear(); m_metadata.clear(); } /*!< \brief Clears the file's name and metadata. */
 
     inline QList<QString> localKeys() const { return m_metadata.keys(); } /*!< \brief Returns the private metadata keys. */
     inline QMap<QString,QVariant> localMetadata() const { return m_metadata; } /*!< \brief Returns the private metadata. */
+
     void append(const QMap<QString,QVariant> &localMetadata); /*!< \brief Add new metadata fields. */
     void append(const File &other); /*!< \brief Append another file using \c separator. */
+    inline File &operator+=(const QMap<QString,QVariant> &other) { append(other); return *this; } /*!< \brief Add new metadata fields. */
+    inline File &operator+=(const File &other) { append(other); return *this; } /*!< \brief Append another file using \c separator. */
+
     QList<File> split() const; /*!< \brief Split the file using \c separator. */
     QList<File> split(const QString &separator) const; /*!< \brief Split the file. */
 
@@ -181,8 +184,6 @@ struct BR_EXPORT File
     inline bool operator<=(const File &other) const { return name <= other.name; } /*!< \brief Compare name. */
     inline bool operator>(const File &other) const { return name > other.name; } /*!< \brief Compare name. */
     inline bool operator>=(const File &other) const { return name >= other.name; } /*!< \brief Compare name. */
-    inline File &operator+=(const QMap<QString,QVariant> &other) { append(other); return *this; } /*!< \brief Add new metadata fields. */
-    inline File &operator+=(const File &other) { append(other); return *this; } /*!< \brief Append another file using \c separator. */
 
     inline bool isNull() const { return name.isEmpty() && m_metadata.isEmpty(); } /*!< \brief Returns \c true if name and metadata are empty, \c false otherwise. */
     inline bool isTerminal() const { return name == "terminal"; } /*!< \brief Returns \c true if #name is "terminal", \c false otherwise. */
@@ -195,14 +196,8 @@ struct BR_EXPORT File
 
     bool contains(const QString &key) const; /*!< \brief Returns \c true if the key has an associated value, \c false otherwise. */
     QVariant value(const QString &key) const; /*!< \brief Returns the value for the specified key. */
-    static QString subject(int label); /*!< \brief Looks up the subject for the provided label. */
-    inline QString subject() const { return subject(label()); } /*!< \brief Looks up the subject from the file's label. */
-    inline bool failed() const { return get<bool>("FTE", false) || get<bool>("FTO", false); } /*!< \brief Returns \c true if the file failed to open or enroll, \c false otherwise. */
-
-    void remove(const QString &key); /*!< \brief Remove the metadata key. */
     void set(const QString &key, const QVariant &value); /*!< \brief Insert or overwrite the metadata key with the specified value. */
-    float label() const; /*!< \brief Convenience function for retrieving the file's \c Label. */
-    inline void setLabel(float label) { set("Label", label); } /*!< \brief Convenience function for setting the file's \c Label. */
+    inline void remove(const QString &key) { m_metadata.remove(key); } /*!< \brief Remove the metadata key. */
 
     /*!< \brief Returns a value for the key, throwing an error if the key does not exist. */
     template <typename T>
@@ -224,6 +219,12 @@ struct BR_EXPORT File
         return variant.value<T>();
     }
 
+    static QString subject(int label); /*!< \brief Looks up the subject for the provided label. */
+    inline QString subject() const { return subject(label()); } /*!< \brief Looks up the subject from the file's label. */
+    float label() const; /*!< \brief Convenience function for retrieving the file's \c Label. */
+    inline void setLabel(float label) { set("Label", label); } /*!< \brief Convenience function for setting the file's \c Label. */
+    inline bool failed() const { return get<bool>("FTE", false) || get<bool>("FTO", false); } /*!< \brief Returns \c true if the file failed to open or enroll, \c false otherwise. */
+
     QList<QPointF> landmarks() const; /*!< \brief Returns the file's landmark list. */
     QList<QPointF> namedLandmarks() const; /*!< \brief Returns landmarks derived from metadata keys. */
     void appendLandmark(const QPointF &landmark); /*!< \brief Adds a landmark to the file's landmark list. */
@@ -239,8 +240,8 @@ struct BR_EXPORT File
 
 private:
     QMap<QString,QVariant> m_metadata;
-    BR_EXPORT friend QDataStream &operator<<(QDataStream &stream, const File &file); /*!< */
-    BR_EXPORT friend QDataStream &operator>>(QDataStream &stream, File &file); /*!< */
+    BR_EXPORT friend QDataStream &operator<<(QDataStream &stream, const File &file);
+    BR_EXPORT friend QDataStream &operator>>(QDataStream &stream, File &file);
 
     void init(const QString &file);
 };