See https://chromium.googlesource.com/webm/libvpx/+/763f8318de2cee41d748539cee5810fc0efcad68%5E%21/#F0

diff -u -r ../gst-plugins-good-1.14.4/ext/vpx/gstvpxdec.c ./ext/vpx/gstvpxdec.c
--- ../gst-plugins-good-1.14.4/ext/vpx/gstvpxdec.c	2018-03-23 20:44:48.000000000 +0000
+++ ./ext/vpx/gstvpxdec.c	2019-02-10 00:40:59.658041832 +0000
@@ -62,18 +62,6 @@
     {C_FLAGS (VP8_DEBLOCK), "Deblock", "deblock"},
     {C_FLAGS (VP8_DEMACROBLOCK), "Demacroblock", "demacroblock"},
     {C_FLAGS (VP8_ADDNOISE), "Add noise", "addnoise"},
-    {C_FLAGS (VP8_DEBUG_TXT_FRAME_INFO),
-          "Print frame information",
-        "visualize-frame-info"},
-    {C_FLAGS (VP8_DEBUG_TXT_MBLK_MODES),
-          "Show macroblock mode selection overlaid on image",
-        "visualize-macroblock-modes"},
-    {C_FLAGS (VP8_DEBUG_TXT_DC_DIFF),
-          "Show dc diff for each macro block overlaid on image",
-        "visualize-dc-diff"},
-    {C_FLAGS (VP8_DEBUG_TXT_RATE_INFO),
-          "Print video rate info",
-        "visualize-rate-info"},
     {C_FLAGS (VP8_MFQE), "Multi-frame quality enhancement", "mfqe"},
     {0, NULL, NULL}
   };