diff --git a/rwengine/src/audio/SoundSource.cpp b/rwengine/src/audio/SoundSource.cpp
index d355cab7..0436d201 100644
--- a/rwengine/src/audio/SoundSource.cpp
+++ b/rwengine/src/audio/SoundSource.cpp
@@ -10,13 +10,6 @@ extern "C" {
 #include <libswresample/swresample.h>
 }
 
-// Rename some functions for older libavcodec/ffmpeg versions (e.g. Ubuntu
-// Trusty)
-#if LIBAVCODEC_VERSION_INT < AV_VERSION_INT(55, 28, 1)
-#define av_frame_alloc avcodec_alloc_frame
-#define av_frame_free avcodec_free_frame
-#endif
-
 #if LIBAVFORMAT_VERSION_INT < AV_VERSION_INT(57, 80, 100)
 #define avio_context_free av_freep
 #endif