diff --git a/audio/audiofx/src/audioecho/mod.rs b/audio/audiofx/src/audioecho/mod.rs
index 3d852ee8..e819c472 100644
--- a/audio/audiofx/src/audioecho/mod.rs
+++ b/audio/audiofx/src/audioecho/mod.rs
@@ -13,7 +13,7 @@ mod imp;
 mod ring_buffer;
 
 glib::wrapper! {
-    pub struct AudioEcho(ObjectSubclass<imp::AudioEcho>) @extends gst_base::BaseTransform, gst::Element, gst::Object;
+    pub struct AudioEcho(ObjectSubclass<imp::AudioEcho>) @extends gst_audio::AudioFilter, gst_base::BaseTransform, gst::Element, gst::Object;
 }
 
 pub fn register(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {
diff --git a/audio/audiofx/src/audiornnoise/mod.rs b/audio/audiofx/src/audiornnoise/mod.rs
index 5793c151..b1db2678 100644
--- a/audio/audiofx/src/audiornnoise/mod.rs
+++ b/audio/audiofx/src/audiornnoise/mod.rs
@@ -13,7 +13,7 @@ use gst::prelude::*;
 mod imp;
 
 glib::wrapper! {
-    pub struct AudioRNNoise(ObjectSubclass<imp::AudioRNNoise>) @extends gst_base::BaseTransform, gst::Element, gst::Object;
+    pub struct AudioRNNoise(ObjectSubclass<imp::AudioRNNoise>) @extends gst_audio::AudioFilter, gst_base::BaseTransform, gst::Element, gst::Object;
 }
 
 pub fn register(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {
diff --git a/audio/audiofx/src/ebur128level/mod.rs b/audio/audiofx/src/ebur128level/mod.rs
index 460e528e..1bd68256 100644
--- a/audio/audiofx/src/ebur128level/mod.rs
+++ b/audio/audiofx/src/ebur128level/mod.rs
@@ -12,7 +12,7 @@ use gst::prelude::*;
 mod imp;
 
 glib::wrapper! {
-    pub struct EbuR128Level(ObjectSubclass<imp::EbuR128Level>) @extends gst_base::BaseTransform, gst::Element, gst::Object;
+    pub struct EbuR128Level(ObjectSubclass<imp::EbuR128Level>) @extends gst_audio::AudioFilter, gst_base::BaseTransform, gst::Element, gst::Object;
 }
 
 pub fn register(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {
diff --git a/net/aws/src/s3sink/mod.rs b/net/aws/src/s3sink/mod.rs
index 00d15474..b3e6c5b3 100644
--- a/net/aws/src/s3sink/mod.rs
+++ b/net/aws/src/s3sink/mod.rs
@@ -57,11 +57,11 @@ pub(crate) enum OnError {
 }
 
 glib::wrapper! {
-    pub struct S3Sink(ObjectSubclass<multipartsink::S3Sink>) @extends gst_base::BaseSink, gst::Element, gst::Object;
+    pub struct S3Sink(ObjectSubclass<multipartsink::S3Sink>) @extends gst_base::BaseSink, gst::Element, gst::Object, @implements gst::URIHandler;
 }
 
 glib::wrapper! {
-    pub struct S3PutObjectSink(ObjectSubclass<putobjectsink::S3PutObjectSink>) @extends gst_base::BaseSink, gst::Element, gst::Object;
+    pub struct S3PutObjectSink(ObjectSubclass<putobjectsink::S3PutObjectSink>) @extends gst_base::BaseSink, gst::Element, gst::Object, @implements gst::URIHandler;
 }
 
 pub fn register(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {
diff --git a/net/aws/src/s3src/mod.rs b/net/aws/src/s3src/mod.rs
index 1f1d5d5d..270603d8 100644
--- a/net/aws/src/s3src/mod.rs
+++ b/net/aws/src/s3src/mod.rs
@@ -12,7 +12,7 @@ use gst::prelude::*;
 mod imp;
 
 glib::wrapper! {
-    pub struct S3Src(ObjectSubclass<imp::S3Src>) @extends gst_base::BaseSrc, gst::Element, gst::Object;
+    pub struct S3Src(ObjectSubclass<imp::S3Src>) @extends gst_base::BaseSrc, gst::Element, gst::Object, @implements gst::URIHandler;
 }
 
 pub fn register(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {
diff --git a/net/rtsp/src/rtspsrc/mod.rs b/net/rtsp/src/rtspsrc/mod.rs
index f0034c61..06a012f0 100644
--- a/net/rtsp/src/rtspsrc/mod.rs
+++ b/net/rtsp/src/rtspsrc/mod.rs
@@ -42,7 +42,7 @@ mod tcp_message;
 mod transport;
 
 glib::wrapper! {
-    pub struct RtspSrc(ObjectSubclass<imp::RtspSrc>) @extends gst::Bin, gst::Element, gst::Object;
+    pub struct RtspSrc(ObjectSubclass<imp::RtspSrc>) @extends gst::Bin, gst::Element, gst::Object, @implements gst::URIHandler;
 }
 
 pub fn register(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {
diff --git a/net/webrtc/src/signaller/imp.rs b/net/webrtc/src/signaller/imp.rs
index 8eec563c..ea9950d5 100644
--- a/net/webrtc/src/signaller/imp.rs
+++ b/net/webrtc/src/signaller/imp.rs
@@ -791,5 +791,3 @@ impl SignallableImpl for Signaller {
         }
     }
 }
-
-impl GstObjectImpl for Signaller {}
diff --git a/tutorial/src/rgb2gray/mod.rs b/tutorial/src/rgb2gray/mod.rs
index 23f502de..8c89cbf7 100644
--- a/tutorial/src/rgb2gray/mod.rs
+++ b/tutorial/src/rgb2gray/mod.rs
@@ -15,7 +15,7 @@ mod imp;
 
 // The public Rust wrapper type for our element
 glib::wrapper! {
-    pub struct Rgb2Gray(ObjectSubclass<imp::Rgb2Gray>) @extends gst_base::BaseTransform, gst::Element, gst::Object;
+    pub struct Rgb2Gray(ObjectSubclass<imp::Rgb2Gray>) @extends gst_video::VideoFilter, gst_base::BaseTransform, gst::Element, gst::Object;
 }
 
 // Registers the type for our element, and then registers in GStreamer under
diff --git a/video/hsv/src/hsvdetector/mod.rs b/video/hsv/src/hsvdetector/mod.rs
index 2063e835..7c4aebed 100644
--- a/video/hsv/src/hsvdetector/mod.rs
+++ b/video/hsv/src/hsvdetector/mod.rs
@@ -14,7 +14,7 @@ use gst::prelude::*;
 mod imp;
 
 glib::wrapper! {
-    pub struct HsvDetector(ObjectSubclass<imp::HsvDetector>) @extends gst_base::BaseTransform, gst::Element, gst::Object;
+    pub struct HsvDetector(ObjectSubclass<imp::HsvDetector>) @extends gst_video::VideoFilter, gst_base::BaseTransform, gst::Element, gst::Object;
 }
 
 pub fn register(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {
diff --git a/video/hsv/src/hsvfilter/mod.rs b/video/hsv/src/hsvfilter/mod.rs
index c1bc4970..696d3c31 100644
--- a/video/hsv/src/hsvfilter/mod.rs
+++ b/video/hsv/src/hsvfilter/mod.rs
@@ -14,7 +14,7 @@ use gst::prelude::*;
 mod imp;
 
 glib::wrapper! {
-    pub struct HsvFilter(ObjectSubclass<imp::HsvFilter>) @extends gst_base::BaseTransform, gst::Element, gst::Object;
+    pub struct HsvFilter(ObjectSubclass<imp::HsvFilter>) @extends gst_video::VideoFilter, gst_base::BaseTransform, gst::Element, gst::Object;
 }
 
 pub fn register(plugin: &gst::Plugin) -> Result<(), glib::BoolError> {