diff --git a/gstreamer-audio/src/lib.rs b/gstreamer-audio/src/lib.rs
index 53c7c1604..abd764d12 100644
--- a/gstreamer-audio/src/lib.rs
+++ b/gstreamer-audio/src/lib.rs
@@ -50,9 +50,7 @@ pub mod audio_buffer;
 pub use audio_buffer::{AudioBuffer, AudioBufferRef};
 
 mod audio_decoder;
-pub use crate::audio_decoder::AudioDecoderExtManual;
 mod audio_encoder;
-pub use crate::audio_encoder::AudioEncoderExtManual;
 
 mod audio_converter;
 pub use crate::audio_converter::AudioConverterConfig;
diff --git a/gstreamer-base/src/lib.rs b/gstreamer-base/src/lib.rs
index 17b99e82d..c8daaa56e 100644
--- a/gstreamer-base/src/lib.rs
+++ b/gstreamer-base/src/lib.rs
@@ -38,21 +38,11 @@ pub use crate::flow_combiner::*;
 mod aggregator;
 #[cfg(any(feature = "v1_14", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
-pub use aggregator::AggregatorExtManual;
-#[cfg(any(feature = "v1_14", feature = "dox"))]
-#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
 mod aggregator_pad;
-#[cfg(any(feature = "v1_14", feature = "dox"))]
-#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
-pub use aggregator_pad::AggregatorPadExtManual;
 mod base_parse;
-pub use crate::base_parse::BaseParseExtManual;
 mod base_sink;
-pub use crate::base_sink::BaseSinkExtManual;
 mod base_src;
-pub use crate::base_src::BaseSrcExtManual;
 mod base_transform;
-pub use crate::base_transform::BaseTransformExtManual;
 
 pub mod base_parse_frame;
 pub use crate::base_parse_frame::BaseParseFrame;
diff --git a/gstreamer-editing-services/src/lib.rs b/gstreamer-editing-services/src/lib.rs
index f23e56c96..910f0db68 100644
--- a/gstreamer-editing-services/src/lib.rs
+++ b/gstreamer-editing-services/src/lib.rs
@@ -56,7 +56,6 @@ mod auto;
 pub use crate::auto::*;
 
 mod timeline_element;
-pub use crate::timeline_element::TimelineElementExtManual;
 
 // Re-export all the traits in a prelude module, so that applications
 // can always "use gst::prelude::*" without getting conflicts
diff --git a/gstreamer-gl/src/lib.rs b/gstreamer-gl/src/lib.rs
index 06dd442d0..142e8c744 100644
--- a/gstreamer-gl/src/lib.rs
+++ b/gstreamer-gl/src/lib.rs
@@ -29,14 +29,11 @@ pub use crate::auto::*;
 mod caps_features;
 pub use crate::caps_features::{CAPS_FEATURES_MEMORY_GL_MEMORY, CAPS_FEATURE_MEMORY_GL_MEMORY};
 mod context;
-pub use crate::context::ContextGLExt;
 mod gl_context;
-pub use crate::gl_context::GLContextExtManual;
 mod gl_display;
 pub use crate::gl_display::GL_DISPLAY_CONTEXT_TYPE;
-mod gl_video_frame;
-pub use crate::gl_video_frame::VideoFrameGLExt;
 mod gl_sync_meta;
+mod gl_video_frame;
 pub use crate::gl_sync_meta::*;
 mod gl_base_memory;
 pub use self::gl_base_memory::*;
diff --git a/gstreamer-rtp/src/lib.rs b/gstreamer-rtp/src/lib.rs
index 219ed077f..cff99a757 100644
--- a/gstreamer-rtp/src/lib.rs
+++ b/gstreamer-rtp/src/lib.rs
@@ -26,7 +26,7 @@ mod auto;
 pub use crate::auto::*;
 
 pub mod rtp_buffer;
-pub use crate::rtp_buffer::{compare_seqnum, RTPBuffer, RTPBufferExt};
+pub use crate::rtp_buffer::{compare_seqnum, RTPBuffer};
 
 // Re-export all the traits in a prelude module, so that applications
 // can always "use gst::prelude::*" without getting conflicts
diff --git a/gstreamer-rtsp-server/src/lib.rs b/gstreamer-rtsp-server/src/lib.rs
index 3a90a2b4e..82bf7a49e 100644
--- a/gstreamer-rtsp-server/src/lib.rs
+++ b/gstreamer-rtsp-server/src/lib.rs
@@ -45,18 +45,8 @@ mod rtsp_token;
 
 pub mod subclass;
 
-pub use crate::rtsp_address_pool::RTSPAddressPoolExtManual;
-pub use crate::rtsp_auth::RTSPAuthExtManual;
-pub use crate::rtsp_client::RTSPClientExtManual;
-pub use crate::rtsp_media::RTSPMediaExtManual;
-pub use crate::rtsp_media_factory::RTSPMediaFactoryExtManual;
-pub use crate::rtsp_server::RTSPServerExtManual;
-pub use crate::rtsp_session_pool::RTSPSessionPoolExtManual;
-pub use crate::rtsp_stream::RTSPStreamExtManual;
-pub use crate::rtsp_stream_transport::RTSPStreamTransportExtManual;
-pub use crate::rtsp_thread::*;
-
 pub use crate::rtsp_context::*;
+pub use crate::rtsp_thread::*;
 pub use crate::rtsp_token::*;
 
 use once_cell::sync::Lazy;
diff --git a/gstreamer-video/src/lib.rs b/gstreamer-video/src/lib.rs
index 9e01af692..5a29c912b 100644
--- a/gstreamer-video/src/lib.rs
+++ b/gstreamer-video/src/lib.rs
@@ -46,11 +46,9 @@ pub use crate::video_format_info::*;
 mod video_info;
 pub use crate::video_info::*;
 pub mod video_frame;
-pub use crate::video_frame::{VideoBufferExt, VideoFrame, VideoFrameRef};
+pub use crate::video_frame::{VideoFrame, VideoFrameRef};
 mod video_overlay;
-pub use crate::video_overlay::{
-    is_video_overlay_prepare_window_handle_message, VideoOverlayExtManual,
-};
+pub use crate::video_overlay::is_video_overlay_prepare_window_handle_message;
 pub mod video_event;
 pub use crate::video_event::{
     DownstreamForceKeyUnitEvent, ForceKeyUnitEvent, StillFrameEvent, UpstreamForceKeyUnitEvent,
@@ -95,10 +93,8 @@ pub use crate::video_converter::{VideoConverter, VideoConverterConfig};
 
 mod video_codec_frame;
 mod video_decoder;
-pub use crate::video_decoder::VideoDecoderExtManual;
 mod video_encoder;
 pub use crate::video_codec_frame::VideoCodecFrame;
-pub use crate::video_encoder::VideoEncoderExtManual;
 pub mod video_codec_state;
 pub use crate::video_codec_state::{VideoCodecState, VideoCodecStateContext};
 mod utils;
diff --git a/gstreamer/src/element.rs b/gstreamer/src/element.rs
index e543d2c02..aeac6200e 100644
--- a/gstreamer/src/element.rs
+++ b/gstreamer/src/element.rs
@@ -914,7 +914,7 @@ pub static ELEMENT_METADATA_LONGNAME: Lazy<&'static str> = Lazy::new(|| unsafe {
 #[macro_export]
 macro_rules! element_error(
     ($obj:expr, $err:expr, ($msg:expr), [$debug:expr]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Error,
             $err,
@@ -926,7 +926,7 @@ macro_rules! element_error(
         );
     }};
     ($obj:expr, $err:expr, ($msg:expr)) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Error,
             $err,
@@ -938,7 +938,7 @@ macro_rules! element_error(
         );
     }};
     ($obj:expr, $err:expr, [$debug:expr]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Error,
             $err,
@@ -950,7 +950,7 @@ macro_rules! element_error(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*), [$($debug:tt)*]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Error,
             $err,
@@ -962,7 +962,7 @@ macro_rules! element_error(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*)) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Error,
             $err,
@@ -974,7 +974,7 @@ macro_rules! element_error(
         );
     }};
     ($obj:expr, $err:expr, [$($debug:tt)*]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Error,
             $err,
@@ -987,7 +987,7 @@ macro_rules! element_error(
     }};
 
     ($obj:expr, $err:expr, ($msg:expr), [$debug:expr], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Error,
             $err,
@@ -1000,7 +1000,7 @@ macro_rules! element_error(
         );
     }};
     ($obj:expr, $err:expr, ($msg:expr), details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Error,
             $err,
@@ -1013,7 +1013,7 @@ macro_rules! element_error(
         );
     }};
     ($obj:expr, $err:expr, [$debug:expr], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Error,
             $err,
@@ -1026,7 +1026,7 @@ macro_rules! element_error(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*), [$($debug:tt)*], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Error,
             $err,
@@ -1039,7 +1039,7 @@ macro_rules! element_error(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*), details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Error,
             $err,
@@ -1052,7 +1052,7 @@ macro_rules! element_error(
         );
     }};
     ($obj:expr, $err:expr, [$($debug:tt)*], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Error,
             $err,
@@ -1069,7 +1069,7 @@ macro_rules! element_error(
 #[macro_export]
 macro_rules! element_warning(
     ($obj:expr, $err:expr, ($msg:expr), [$debug:expr]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1081,7 +1081,7 @@ macro_rules! element_warning(
         );
     }};
     ($obj:expr, $err:expr, ($msg:expr)) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1093,7 +1093,7 @@ macro_rules! element_warning(
         );
     }};
     ($obj:expr, $err:expr, [$debug:expr]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1105,7 +1105,7 @@ macro_rules! element_warning(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*), [$($debug:tt)*]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1117,7 +1117,7 @@ macro_rules! element_warning(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*)) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1129,7 +1129,7 @@ macro_rules! element_warning(
         );
     }};
     ($obj:expr, $err:expr, [$($debug:tt)*]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1142,7 +1142,7 @@ macro_rules! element_warning(
     }};
 
     ($obj:expr, $err:expr, ($msg:expr), [$debug:expr], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1155,7 +1155,7 @@ macro_rules! element_warning(
         );
     }};
     ($obj:expr, $err:expr, ($msg:expr), details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1168,7 +1168,7 @@ macro_rules! element_warning(
         );
     }};
     ($obj:expr, $err:expr, [$debug:expr], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1181,7 +1181,7 @@ macro_rules! element_warning(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*), [$($debug:tt)*], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1194,7 +1194,7 @@ macro_rules! element_warning(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*), details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1207,7 +1207,7 @@ macro_rules! element_warning(
         );
     }};
     ($obj:expr, $err:expr, [$($debug:tt)*], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Warning,
             $err,
@@ -1224,7 +1224,7 @@ macro_rules! element_warning(
 #[macro_export]
 macro_rules! element_info(
     ($obj:expr, $err:expr, ($msg:expr), [$debug:expr]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Info,
             $err,
@@ -1236,7 +1236,7 @@ macro_rules! element_info(
         );
     }};
     ($obj:expr, $err:expr, ($msg:expr)) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Info,
             $err,
@@ -1248,7 +1248,7 @@ macro_rules! element_info(
         );
     }};
     ($obj:expr, $err:expr, [$debug:expr]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Info,
             $err,
@@ -1260,7 +1260,7 @@ macro_rules! element_info(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*), [$($debug:tt)*]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Info,
             $err,
@@ -1272,7 +1272,7 @@ macro_rules! element_info(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*)) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Info,
             $err,
@@ -1284,7 +1284,7 @@ macro_rules! element_info(
         );
     }};
     ($obj:expr, $err:expr, [$($debug:tt)*]) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full(
             $crate::ElementMessageType::Info,
             $err,
@@ -1297,7 +1297,7 @@ macro_rules! element_info(
     }};
 
     ($obj:expr, $err:expr, ($msg:expr), [$debug:expr], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Info,
             $err,
@@ -1310,7 +1310,7 @@ macro_rules! element_info(
         );
     }};
     ($obj:expr, $err:expr, ($msg:expr), details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Info,
             $err,
@@ -1323,7 +1323,7 @@ macro_rules! element_info(
         );
     }};
     ($obj:expr, $err:expr, [$debug:expr], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Info,
             $err,
@@ -1336,7 +1336,7 @@ macro_rules! element_info(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*), [$($debug:tt)*], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Info,
             $err,
@@ -1349,7 +1349,7 @@ macro_rules! element_info(
         );
     }};
     ($obj:expr, $err:expr, ($($msg:tt)*), details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Info,
             $err,
@@ -1362,7 +1362,7 @@ macro_rules! element_info(
         );
     }};
     ($obj:expr, $err:expr, [$($debug:tt)*], details: $details:expr) => { {
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
         $obj.message_full_with_details(
             $crate::ElementMessageType::Info,
             $err,
diff --git a/gstreamer/src/ghost_pad.rs b/gstreamer/src/ghost_pad.rs
index 5a32421b8..573c89dcf 100644
--- a/gstreamer/src/ghost_pad.rs
+++ b/gstreamer/src/ghost_pad.rs
@@ -1,5 +1,6 @@
 // Take a look at the license at the top of the repository in the LICENSE file.
 
+use crate::prelude::{PadExt, PadExtManual};
 use crate::FlowError;
 use crate::FlowSuccess;
 use crate::GhostPad;
@@ -7,8 +8,6 @@ use crate::LoggableError;
 use crate::Object;
 use crate::Pad;
 use crate::PadBuilder;
-use crate::PadExt;
-use crate::PadExtManual;
 use crate::PadFlags;
 use crate::PadGetRangeSuccess;
 use crate::PadMode;
diff --git a/gstreamer/src/lib.rs b/gstreamer/src/lib.rs
index c3b5c79a8..640184f7c 100644
--- a/gstreamer/src/lib.rs
+++ b/gstreamer/src/lib.rs
@@ -128,7 +128,6 @@ mod element;
 mod bin;
 
 mod pipeline;
-pub use crate::pipeline::GstPipelineExtManual;
 
 mod allocation_params;
 pub use self::allocation_params::AllocationParams;
@@ -173,49 +172,25 @@ mod control_binding;
 mod control_source;
 mod parse_context;
 mod proxy_pad;
-pub use crate::proxy_pad::ProxyPadExtManual;
 mod tag_setter;
-pub use crate::bin::GstBinExtManual;
-pub use crate::element::{ElementExtManual, ElementMessageType, NotifyWatchId};
+pub use crate::element::{ElementMessageType, NotifyWatchId};
 pub use crate::element::{
     ELEMENT_METADATA_AUTHOR, ELEMENT_METADATA_DESCRIPTION, ELEMENT_METADATA_DOC_URI,
     ELEMENT_METADATA_ICON_NAME, ELEMENT_METADATA_KLASS, ELEMENT_METADATA_LONGNAME,
 };
-pub use crate::object::GstObjectExtManual;
-
-// OS dependent Bus extensions (also import the other plateform trait for doc)
-#[cfg(any(feature = "v1_14", feature = "dox"))]
-#[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
-cfg_if::cfg_if! {
-    if #[cfg(unix)] {
-        pub use bus_unix::UnixBusExtManual;
-        #[cfg(feature = "dox")]
-        pub use bus_windows::WindowsBusExtManual;
-    } else {
-        pub use bus_windows::WindowsBusExtManual;
-        #[cfg(feature = "dox")]
-        pub use bus_unix::UnixBusExtManual;
-    }
-}
 
 pub use self::iterator::{Iterator, IteratorError, IteratorImpl, StdIterator};
-pub use crate::child_proxy::ChildProxyExtManual;
 pub use crate::clock_time::ClockTime;
-pub use crate::device_monitor::{DeviceMonitorExtManual, DeviceMonitorFilterId};
-pub use crate::device_provider::DeviceProviderExtManual;
+pub use crate::device_monitor::DeviceMonitorFilterId;
 pub use crate::enums::{
     ClockError, ClockSuccess, FlowError, FlowSuccess, PadLinkError, PadLinkSuccess,
     StateChangeError, StateChangeSuccess, TagError,
 };
-pub use crate::gobject::GObjectExtManualGst;
-pub use crate::pad::{PadExtManual, PadGetRangeSuccess, PadProbeData, PadProbeId, PadProbeInfo};
+pub use crate::pad::{PadGetRangeSuccess, PadProbeData, PadProbeId, PadProbeInfo};
 pub use crate::parse_context::ParseContext;
 mod plugin_feature;
-pub use crate::plugin_feature::PluginFeatureExtManual;
-pub use crate::tag_setter::TagSetterExtManual;
 
 mod plugin;
-pub use crate::plugin::GstPluginExtManual;
 #[cfg(any(feature = "v1_10", feature = "dox"))]
 #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_10")))]
 pub mod stream;
@@ -242,9 +217,7 @@ pub use crate::toc::{Toc, TocEntry, TocEntryRef, TocRef};
 mod toc_serde;
 
 mod clock;
-pub use crate::clock::{
-    AtomicClockReturn, ClockExtManual, ClockId, PeriodicClockId, SingleShotClockId,
-};
+pub use crate::clock::{AtomicClockReturn, ClockId, PeriodicClockId, SingleShotClockId};
 
 mod buffer_pool;
 pub use crate::buffer_pool::*;
@@ -319,10 +292,7 @@ pub mod prelude {
 
     pub use crate::meta::MetaAPI;
 
-    pub use crate::bin::GstBinExtManual;
-    pub use crate::element::{ElementClassExt, ElementExtManual};
-
-    // OS dependent Bus extensions (also import the other plateform trait for doc)
+    // OS dependent Bus extensions (also import the other platform trait for doc)
     #[cfg(any(feature = "v1_14", feature = "dox"))]
     #[cfg_attr(feature = "dox", doc(cfg(feature = "v1_14")))]
     cfg_if::cfg_if! {
@@ -337,11 +307,13 @@ pub mod prelude {
         }
     }
 
+    pub use crate::bin::GstBinExtManual;
     pub use crate::buffer_pool::BufferPoolExtManual;
     pub use crate::child_proxy::ChildProxyExtManual;
     pub use crate::clock::ClockExtManual;
     pub use crate::device_monitor::DeviceMonitorExtManual;
     pub use crate::device_provider::DeviceProviderExtManual;
+    pub use crate::element::{ElementClassExt, ElementExtManual};
     pub use crate::gobject::GObjectExtManualGst;
     pub use crate::message::MessageErrorDomain;
     pub use crate::object::GstObjectExtManual;
diff --git a/gstreamer/src/subclass/error.rs b/gstreamer/src/subclass/error.rs
index d8fc8a7e4..c14bb9203 100644
--- a/gstreamer/src/subclass/error.rs
+++ b/gstreamer/src/subclass/error.rs
@@ -10,7 +10,7 @@ macro_rules! panic_to_error(
     ($element:expr, $panicked:expr, $ret:expr, $code:block) => {{
         use std::panic::{self, AssertUnwindSafe};
         use std::sync::atomic::Ordering;
-        use $crate::ElementExtManual;
+        use $crate::prelude::ElementExtManual;
 
         #[allow(clippy::unused_unit)]
         {