diff --git a/src/file/extractor/result.h b/src/file/extractor/result.h
--- a/src/file/extractor/result.h
+++ b/src/file/extractor/result.h
@@ -40,7 +40,6 @@
 
     void setDocument(const Baloo::Document& doc);
 
-    quint64 id() const;
     QVariantMap map() const;
 
     Baloo::Document& document() {
@@ -54,7 +53,6 @@
     void finish();
 
 private:
-    quint64 m_docId;
     Baloo::Document m_doc;
     Baloo::TermGenerator m_termGen;
     Baloo::TermGenerator m_termGenForText;
diff --git a/src/file/extractor/result.cpp b/src/file/extractor/result.cpp
--- a/src/file/extractor/result.cpp
+++ b/src/file/extractor/result.cpp
@@ -32,15 +32,13 @@
 // In order to use it in a vector
 Result::Result()
     : ExtractionResult(QString(), QString())
-    , m_docId(0)
     , m_termGen(nullptr)
     , m_termGenForText(nullptr)
 {
 }
 
 Result::Result(const QString& url, const QString& mimetype, const Flags& flags)
     : KFileMetaData::ExtractionResult(url, mimetype, flags)
-    , m_docId(0)
     , m_termGen(nullptr)
     , m_termGenForText(nullptr)
 {
@@ -142,11 +140,6 @@
     m_termGenForText.setPosition(10000);
 }
 
-quint64 Result::id() const
-{
-    return m_docId;
-}
-
 QVariantMap Result::map() const
 {
     return m_map;