diff --git a/libavcodec/qtrle.c b/libavcodec/qtrle.c
index 2793eb91f6..f565e0e358 100644
--- a/libavcodec/qtrle.c
+++ b/libavcodec/qtrle.c
@@ -576,7 +576,6 @@ static void qtrle_decode_flush(AVCodecContext *avctx)
 {
     QtrleContext *s = avctx->priv_data;
 
-    memset(s->pal, 0, sizeof(s->pal));
     av_frame_unref(s->frame);
 }