diff --git a/ext/libpng/gstpngdec.c b/ext/libpng/gstpngdec.c
index db89125987..99e31ac3a4 100644
--- a/ext/libpng/gstpngdec.c
+++ b/ext/libpng/gstpngdec.c
@@ -155,7 +155,6 @@ static gboolean
 gst_pngdec_set_format (GstVideoDecoder * decoder, GstVideoCodecState * state)
 {
   GstPngDec *pngdec = (GstPngDec *) decoder;
-  GstVideoInfo *info = &state->info;
 
   if (pngdec->input_state)
     gst_video_codec_state_unref (pngdec->input_state);