diff --git a/examples/src/bin/rtsp-server-subclass.rs b/examples/src/bin/rtsp-server-subclass.rs
index d06baa92b..3b24e8d29 100644
--- a/examples/src/bin/rtsp-server-subclass.rs
+++ b/examples/src/bin/rtsp-server-subclass.rs
@@ -150,10 +150,6 @@ mod media_factory {
         pub struct Factory(ObjectSubclass<imp::Factory>) @extends gst_rtsp_server::RTSPMediaFactory;
     }
 
-    // Factories must be Send+Sync, and ours is
-    unsafe impl Send for Factory {}
-    unsafe impl Sync for Factory {}
-
     impl Default for Factory {
         // Creates a new instance of our factory
         fn default() -> Factory {
@@ -209,10 +205,6 @@ mod media {
     glib::wrapper! {
         pub struct Media(ObjectSubclass<imp::Media>) @extends gst_rtsp_server::RTSPMedia;
     }
-
-    // Medias must be Send+Sync, and ours is
-    unsafe impl Send for Media {}
-    unsafe impl Sync for Media {}
 }
 
 // Our custom RTSP server subclass that reports when clients are connecting and uses
@@ -270,10 +262,6 @@ mod server {
         pub struct Server(ObjectSubclass<imp::Server>) @extends gst_rtsp_server::RTSPServer;
     }
 
-    // Servers must be Send+Sync, and ours is
-    unsafe impl Send for Server {}
-    unsafe impl Sync for Server {}
-
     impl Default for Server {
         // Creates a new instance of our factory
         fn default() -> Server {
@@ -322,10 +310,6 @@ mod client {
         pub struct Client(ObjectSubclass<imp::Client>) @extends gst_rtsp_server::RTSPClient;
     }
 
-    // Clients must be Send+Sync, and ours is
-    unsafe impl Send for Client {}
-    unsafe impl Sync for Client {}
-
     impl Default for Client {
         // Creates a new instance of our factory
         fn default() -> Client {
@@ -374,10 +358,6 @@ mod mount_points {
         pub struct MountPoints(ObjectSubclass<imp::MountPoints>) @extends gst_rtsp_server::RTSPMountPoints;
     }
 
-    // MountPoints must be Send+Sync, and ours is
-    unsafe impl Send for MountPoints {}
-    unsafe impl Sync for MountPoints {}
-
     impl Default for MountPoints {
         // Creates a new instance of our factory
         fn default() -> Self {
diff --git a/examples/src/bin/subclass.rs b/examples/src/bin/subclass.rs
index d2354f81a..c552d9529 100644
--- a/examples/src/bin/subclass.rs
+++ b/examples/src/bin/subclass.rs
@@ -220,10 +220,6 @@ mod fir_filter {
         pub struct FirFilter(ObjectSubclass<imp::FirFilter>) @extends gst_base::BaseTransform, gst::Element, gst::Object;
     }
 
-    // GStreamer elements must be Send+Sync, and ours is
-    unsafe impl Send for FirFilter {}
-    unsafe impl Sync for FirFilter {}
-
     impl FirFilter {
         // Creates a new instance of our filter with the given name
         pub fn new(name: Option<&str>) -> FirFilter {
diff --git a/gstreamer/src/subclass/buffer_pool.rs b/gstreamer/src/subclass/buffer_pool.rs
index ff6e612e5..67497bb5e 100644
--- a/gstreamer/src/subclass/buffer_pool.rs
+++ b/gstreamer/src/subclass/buffer_pool.rs
@@ -545,7 +545,6 @@ mod tests {
             const NAME: &'static str = "TestBufferPool";
             type Type = super::TestBufferPool;
             type ParentType = BufferPool;
-            type Interfaces = ();
         }
     }
 
diff --git a/gstreamer/src/subclass/element.rs b/gstreamer/src/subclass/element.rs
index b7cfd4ed8..94bd127bc 100644
--- a/gstreamer/src/subclass/element.rs
+++ b/gstreamer/src/subclass/element.rs
@@ -780,9 +780,6 @@ mod tests {
         pub struct TestElement(ObjectSubclass<imp::TestElement>) @extends Element, crate::Object;
     }
 
-    unsafe impl Send for TestElement {}
-    unsafe impl Sync for TestElement {}
-
     impl TestElement {
         pub fn new(name: Option<&str>) -> Self {
             glib::Object::new(&[("name", &name)]).unwrap()
diff --git a/gstreamer/src/subclass/pad.rs b/gstreamer/src/subclass/pad.rs
index b81085687..1cc32afd5 100644
--- a/gstreamer/src/subclass/pad.rs
+++ b/gstreamer/src/subclass/pad.rs
@@ -129,9 +129,6 @@ mod tests {
         pub struct TestPad(ObjectSubclass<imp::TestPad>) @extends Pad, crate::Object;
     }
 
-    unsafe impl Send for TestPad {}
-    unsafe impl Sync for TestPad {}
-
     impl TestPad {
         pub fn new(name: &str, direction: PadDirection) -> Self {
             glib::Object::new(&[("name", &name), ("direction", &direction)]).unwrap()