--- a/dom/media/gstreamer/GStreamerFunctionList.h
+++ b/dom/media/gstreamer/GStreamerFunctionList.h
@@ -83,19 +83,17 @@ GST_FUNC(LIBGSTREAMER, gst_element_facto
 GST_FUNC(LIBGSTREAMER, gst_element_get_pad)
 GST_FUNC(LIBGSTREAMER, gst_event_parse_new_segment)
 GST_FUNC(LIBGSTREAMER, gst_mini_object_get_type)
 GST_FUNC(LIBGSTREAMER, gst_mini_object_new)
 GST_FUNC(LIBGSTREAMER, gst_pad_add_event_probe)
 GST_FUNC(LIBGSTREAMER, gst_pad_alloc_buffer)
 GST_FUNC(LIBGSTREAMER, gst_pad_get_negotiated_caps)
 GST_FUNC(LIBGSTREAMER, gst_pad_set_bufferalloc_function)
-GST_FUNC(LIBGSTREAMER, gst_registry_find_plugin)
 GST_FUNC(LIBGSTREAMER, gst_registry_get_default)
-GST_FUNC(LIBGSTREAMER, gst_plugin_feature_get_type)
 GST_FUNC(LIBGSTREAMER, gst_segment_set_newsegment)
 GST_FUNC(LIBGSTVIDEO, gst_video_format_get_component_height)
 GST_FUNC(LIBGSTVIDEO, gst_video_format_get_component_offset)
 GST_FUNC(LIBGSTVIDEO, gst_video_format_get_component_width)
 GST_FUNC(LIBGSTVIDEO, gst_video_format_get_pixel_stride)
 GST_FUNC(LIBGSTVIDEO, gst_video_format_get_row_stride)
 GST_FUNC(LIBGSTVIDEO, gst_video_format_parse_caps)
 GST_FUNC(LIBGSTVIDEO, gst_video_parse_caps_pixel_aspect_ratio)
@@ -127,18 +125,16 @@ GST_FUNC(LIBGSTREAMER, gst_event_parse_s
 GST_FUNC(LIBGSTREAMER, gst_event_type_get_name)
 GST_FUNC(LIBGSTREAMER, gst_memory_init)
 GST_FUNC(LIBGSTREAMER, gst_memory_map)
 GST_FUNC(LIBGSTREAMER, gst_memory_unmap)
 GST_FUNC(LIBGSTREAMER, gst_object_get_type)
 GST_FUNC(LIBGSTREAMER, gst_pad_add_probe)
 GST_FUNC(LIBGSTREAMER, gst_pad_get_current_caps)
 GST_FUNC(LIBGSTREAMER, gst_pad_probe_info_get_query)
-GST_FUNC(LIBGSTREAMER, gst_plugin_feature_get_plugin)
-GST_FUNC(LIBGSTREAMER, gst_plugin_get_version)
 GST_FUNC(LIBGSTREAMER, gst_query_add_allocation_meta)
 GST_FUNC(LIBGSTREAMER, gst_query_add_allocation_param)
 GST_FUNC(LIBGSTREAMER, gst_query_add_allocation_pool)
 GST_FUNC(LIBGSTREAMER, gst_query_parse_allocation)
 GST_FUNC(LIBGSTREAMER, gst_registry_get)
 GST_FUNC(LIBGSTREAMER, gst_sample_get_buffer)
 GST_FUNC(LIBGSTREAMER, gst_segment_copy_into)
 GST_FUNC(LIBGSTREAMER, gst_structure_free)

--- a/dom/media/gstreamer/GStreamerReader.cpp
+++ b/dom/media/gstreamer/GStreamerReader.cpp
@@ -10,28 +10,23 @@
 #include "AbstractMediaDecoder.h"
 #include "MediaResource.h"
 #include "GStreamerReader.h"
 #if GST_VERSION_MAJOR >= 1
 #include "GStreamerAllocator.h"
 #endif
 #include "GStreamerFormatHelper.h"
 #include "VideoUtils.h"
-#include "mozilla/ArrayUtils.h"
 #include "mozilla/dom/TimeRanges.h"
 #include "mozilla/Endian.h"
 #include "mozilla/Preferences.h"
 #include "mozilla/unused.h"
 #include "GStreamerLoader.h"
 #include "gfx2DGlue.h"
 
-#include <gst/gstplugin.h>
-#include <gst/gstpluginfeature.h>
-#include <gst/gstregistry.h>
-
 namespace mozilla {
 
 using namespace gfx;
 using namespace layers;
 
 // Un-comment to enable logging of seek bisections.
 //#define SEEK_LOGGING
 
@@ -1168,81 +1163,27 @@ GStreamerReader::PlayElementAddedCb(GstB
   if (!strncmp(name, sUriDecodeBinPrefix, sizeof(sUriDecodeBinPrefix) - 1)) {
     g_signal_connect(G_OBJECT(aElement), "autoplug-sort",
                      G_CALLBACK(GStreamerReader::AutoplugSortCb), aUserData);
   }
 
   g_free(name);
 }
 
-/**
- * Helper to calculate the length of a C string constant at compile time.
- * Substract one from the array length for the trailing null.
- */
-#define STRING_LENGTH(string) (ArrayLength(string) - 1)
-
-/** Check proposed element factories for acceptability. */
-bool GStreamerReader::IsFactoryBlacklisted(GstElementFactory* aFactory)
-{
-  // Retrieve version string for the element.
-#if GST_VERSION_MAJOR >= 1
-  GstPlugin* plugin = gst_plugin_feature_get_plugin(GST_PLUGIN_FEATURE(aFactory));
-  const gchar* version = plugin ? gst_plugin_get_version(plugin) : "unknown";
-#else
-  const gchar* plugin_name = GST_PLUGIN_FEATURE(aFactory)->plugin_name;
-  if (!plugin_name) {
-    return true;
-  }
-  GstPlugin* plugin = gst_default_registry_find_plugin(plugin_name);
-  const gchar* version = plugin ? plugin->desc.version : "unknown";
-#endif
-  if (!plugin) {
-    return true;
-  }
-  // Retrieve the element name.
-  const gchar* name = gst_element_get_name(aFactory);
-
-  // Reject h264parse <= 0.10.23.
-  const char badname[] = "h264parse";
-  const char version_base[] = "0.10.";
-  // Length needed to compare with version base plus two more digits.
-  const size_t version_min = STRING_LENGTH(version_base) + 2;
-  if (strcmp(name, badname) == 0 &&
-      strncmp(version, version_base, strlen(version_base)) == 0 &&
-      strlen(version) >= version_min &&
-      atoi(version + strlen(version_base)) <= 23) {
-    gst_object_unref(plugin);
-    return true;
-  }
-
-  // Clean up.
-  gst_object_unref(plugin);
-
-  // Factory isn't blacklisted.
-  return false;
-}
-
-/** Filter elements to control autoplug selection. */
 bool
 GStreamerReader::ShouldAutoplugFactory(GstElementFactory* aFactory, GstCaps* aCaps)
 {
-  /* Blacklist unstable elements. */
-  if (IsFactoryBlacklisted(aFactory)) {
-    return false;
-  }
-
-  /* Filter Demuxers and Decoders for supported formats. */
   bool autoplug;
-  const gchar* klass = gst_element_factory_get_klass(aFactory);
+  const gchar *klass = gst_element_factory_get_klass(aFactory);
   if (strstr(klass, "Demuxer") && !strstr(klass, "Metadata")) {
     autoplug = GStreamerFormatHelper::Instance()->CanHandleContainerCaps(aCaps);
   } else if (strstr(klass, "Decoder") && !strstr(klass, "Generic")) {
     autoplug = GStreamerFormatHelper::Instance()->CanHandleCodecCaps(aCaps);
   } else {
-    /* Let everything else be autoplugged. */
+    /* we only filter demuxers and decoders, let everything else be autoplugged */
     autoplug = true;
   }
 
   return autoplug;
 }
 
 /**
  * This is called by uridecodebin (running inside playbin), after it has found

--- a/dom/media/gstreamer/GStreamerReader.h
+++ b/dom/media/gstreamer/GStreamerReader.h
@@ -161,21 +161,19 @@ private:
   void Eos(GstAppSink* aSink = nullptr);
 
   /* Called when an element is added inside playbin. We use it to find the
    * decodebin instance.
    */
   static void PlayElementAddedCb(GstBin *aBin, GstElement *aElement,
                                  gpointer *aUserData);
 
-  /* Called during decoding, to decide whether a (sub)stream should be
-   * decoded or ignored. */
+  /* Called during decoding, to decide whether a (sub)stream should be decoded or
+   * ignored */
   static bool ShouldAutoplugFactory(GstElementFactory* aFactory, GstCaps* aCaps);
-  /* Called from ShouldAutoplugFactory to check for blacklisted elements. */
-  static bool IsFactoryBlacklisted(GstElementFactory* aFactory);
 
   /* Called by decodebin during autoplugging. We use it to apply our
    * container/codec whitelist.
    */
   static GValueArray* AutoplugSortCb(GstElement* aElement,
                                      GstPad* aPad, GstCaps* aCaps,
                                      GValueArray* aFactories);