diff --git a/rpcs3/Emu/Cell/Modules/cellVdec.cpp b/rpcs3/Emu/Cell/Modules/cellVdec.cpp
index 93045fbd0b..e92f206aac 100644
--- a/rpcs3/Emu/Cell/Modules/cellVdec.cpp
+++ b/rpcs3/Emu/Cell/Modules/cellVdec.cpp
@@ -139,6 +139,8 @@ struct vdec_context final
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 #endif
+		// TODO: This function should be removed at some point, since ffmpeg does it automatically now.
+		//       We'll keep it for compatibility for now until more system ffmpeg libs are up to date.
 		avcodec_register_all();
 #ifdef _MSC_VER
 #pragma warning(pop)