diff --git a/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp b/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp
--- a/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp
+++ b/plugins/decoder/ffmpeg/k3bffmpegwrapper.cpp
@@ -38,11 +38,7 @@
 #include <math.h>
 
 
-#if LIBAVFORMAT_BUILD < 4629
-#define FFMPEG_CODEC(s) (&s->codec)
-#else
 #define FFMPEG_CODEC(s) (s->codec)
-#endif
 
 #ifndef HAVE_FFMPEG_AVFORMAT_OPEN_INPUT
 //      this works because the parameters/options are not used
@@ -85,13 +81,7 @@
 
     K3b::Msf length;
 
-    // for decoding. ffmpeg requires 16-byte alignment.
-#ifdef HAVE_FFMPEG_AVCODEC_DECODE_AUDIO4
     ::AVFrame* frame;
-#else
-    char outputBuffer[AVCODEC_MAX_AUDIO_FRAME_SIZE + 15];
-    char* alignedOutputBuffer;
-#endif
     char* outputBufferPos;
     int outputBufferSize;
     ::AVPacket packet;
@@ -108,29 +98,14 @@
     d = new Private;
     d->formatContext = 0;
     d->codec = 0;
-#ifdef HAVE_FFMPEG_AVCODEC_DECODE_AUDIO4
-#  if LIBAVCODEC_BUILD < AV_VERSION_INT(55,28,1)
-    d->frame = avcodec_alloc_frame();
-#  else
-    d->frame = av_frame_alloc();
-#  endif
-#else
-    int offset = 0x10 - (reinterpret_cast<intptr_t>(&d->outputBuffer) & 0xf);
-    d->alignedOutputBuffer = &d->outputBuffer[offset];
-#endif
+    d->frame = ::av_frame_alloc();
 }
 
 
 K3bFFMpegFile::~K3bFFMpegFile()
 {
     close();
-#ifdef HAVE_FFMPEG_AVCODEC_DECODE_AUDIO4
-#  if LIBAVCODEC_BUILD < AV_VERSION_INT(55,28,1)
-    av_free(d->frame);
-#  else
-    av_frame_free(&d->frame);
-#  endif
-#endif
+    ::av_frame_free(&d->frame);
     delete d;
 }
 
@@ -241,12 +216,6 @@
 
 QString K3bFFMpegFile::typeComment() const
 {
-#if LIBAVCODEC_BUILD < AV_VERSION_INT(54,25,0)
-    #define AV_CODEC_ID_WMAV1  CODEC_ID_WMAV1
-    #define AV_CODEC_ID_WMAV2  CODEC_ID_WMAV2
-    #define AV_CODEC_ID_MP3    CODEC_ID_MP3
-    #define AV_CODEC_ID_AAC    CODEC_ID_AAC
-#endif
     switch( type() ) {
     case AV_CODEC_ID_WMAV1:
         return i18n("Windows Media v1");
@@ -343,50 +312,21 @@
             return 0;
         }
 
-#ifdef HAVE_FFMPEG_AVCODEC_DECODE_AUDIO4
         int gotFrame = 0;
         int len = ::avcodec_decode_audio4(
-#else
-        d->outputBufferPos = d->alignedOutputBuffer;
-        d->outputBufferSize = AVCODEC_MAX_AUDIO_FRAME_SIZE;
-#  ifdef HAVE_FFMPEG_AVCODEC_DECODE_AUDIO3
-        int len = ::avcodec_decode_audio3(
-#  else
-#    ifdef HAVE_FFMPEG_AVCODEC_DECODE_AUDIO2
-        int len = ::avcodec_decode_audio2(
-#    else
-        int len = ::avcodec_decode_audio(
-#    endif
-#  endif
-#endif
-
             FFMPEG_CODEC(d->formatContext->streams[0]),
-#ifdef HAVE_FFMPEG_AVCODEC_DECODE_AUDIO4
             d->frame,
             &gotFrame,
-            &d->packet );
-#else
-            (short*)d->alignedOutputBuffer,
-            &d->outputBufferSize,
-#  ifdef HAVE_FFMPEG_AVCODEC_DECODE_AUDIO3
-            &d->packet );
-#  else
-            d->packetData, d->packetSize );
-#  endif
-#endif
+            &d->packet
+        );
 
         if( d->packetSize <= 0 || len < 0 )
-#if LIBAVCODEC_VERSION_MAJOR >= 56
             ::av_packet_unref( &d->packet );
-#else
-            ::av_free_packet( &d->packet );
-#endif
         if( len < 0 ) {
             qDebug() << "(K3bFFMpegFile) decoding failed for " << m_filename;
             return -1;
         }
 
-#ifdef HAVE_FFMPEG_AVCODEC_DECODE_AUDIO4
         if (gotFrame) {
             int nb_s = d->frame->nb_samples;
             int nb_ch = 2; // copy only two channels even if there're more
@@ -420,7 +360,6 @@
                 }
             }
         }
-#endif
         d->packetSize -= len;
         d->packetData += len;
     }
@@ -438,11 +377,7 @@
     quint64 timestamp = (quint64)(seconds * (double)AV_TIME_BASE);
 
     // FIXME: do we really need the start_time and why?
-#if LIBAVFORMAT_BUILD >= 4619
     return ( ::av_seek_frame( d->formatContext, -1, timestamp + d->formatContext->start_time, 0 ) >= 0 );
-#else
-    return ( ::av_seek_frame( d->formatContext, -1, timestamp + d->formatContext->start_time ) >= 0 );
-#endif
 }