diff --git a/taglib/flac/flacproperties.cpp b/taglib/flac/flacproperties.cpp
index 57de55f4..92f69bdc 100644
--- a/taglib/flac/flacproperties.cpp
+++ b/taglib/flac/flacproperties.cpp
@@ -34,7 +34,7 @@ using namespace TagLib;
 class FLAC::Properties::PropertiesPrivate
 {
 public:
-  PropertiesPrivate(ByteVector d, offset_t st, ReadStyle s) :
+  PropertiesPrivate(const ByteVector &d, offset_t st, ReadStyle s) :
     data(d),
     streamLength(st),
     style(s),
@@ -61,18 +61,12 @@ public:
 // public members
 ////////////////////////////////////////////////////////////////////////////////
 
-FLAC::Properties::Properties(ByteVector data, offset_t streamLength, ReadStyle style) : AudioProperties(style)
+FLAC::Properties::Properties(const ByteVector &data, offset_t streamLength, ReadStyle style) : AudioProperties(style)
 {
   d = new PropertiesPrivate(data, streamLength, style);
   read();
 }
 
-FLAC::Properties::Properties(File *file, ReadStyle style) : AudioProperties(style)
-{
-  d = new PropertiesPrivate(file->streamInfoData(), file->streamLength(), style);
-  read();
-}
-
 FLAC::Properties::~Properties()
 {
   delete d;
diff --git a/taglib/flac/flacproperties.h b/taglib/flac/flacproperties.h
index 8b59b4d9..a3f6a5fe 100644
--- a/taglib/flac/flacproperties.h
+++ b/taglib/flac/flacproperties.h
@@ -49,15 +49,7 @@ namespace TagLib {
        * Create an instance of FLAC::Properties with the data read from the
        * ByteVector \a data.
        */
-       // BIC: switch to const reference
-      Properties(ByteVector data, offset_t streamLength, ReadStyle style = Average);
-
-      /*!
-       * Create an instance of FLAC::Properties with the data read from the
-       * FLAC::File \a file.
-       */
-       // BIC: remove
-      Properties(File *file, ReadStyle style = Average);
+      Properties(const ByteVector &data, offset_t streamLength, ReadStyle style = Average);
 
       /*!
        * Destroys this FLAC::Properties instance.