diff --git a/examples/src/bin/subclass.rs b/examples/src/bin/subclass.rs
index 5cd885590..c716f4258 100644
--- a/examples/src/bin/subclass.rs
+++ b/examples/src/bin/subclass.rs
@@ -236,7 +236,7 @@ mod fir_filter {
         // Sets the coefficients by getting access to the private
         // struct and simply setting them
         pub fn set_coeffs(&self, coeffs: Vec<f32>) {
-            let imp = imp::FirFilter::from_instance(self);
+            let imp = self.imp();
             *imp.coeffs.lock().unwrap() = coeffs;
         }
     }
diff --git a/gstreamer/src/subclass/element.rs b/gstreamer/src/subclass/element.rs
index 30040ce92..b7cfd4ed8 100644
--- a/gstreamer/src/subclass/element.rs
+++ b/gstreamer/src/subclass/element.rs
@@ -821,7 +821,7 @@ mod tests {
 
         pipeline.set_state(crate::State::Null).unwrap();
 
-        let imp = imp::TestElement::from_instance(&element);
+        let imp = element.imp();
         assert_eq!(imp.n_buffers.load(atomic::Ordering::SeqCst), 100);
         assert!(imp.reached_playing.load(atomic::Ordering::SeqCst));
     }
diff --git a/gstreamer/src/subclass/pad.rs b/gstreamer/src/subclass/pad.rs
index 48d03ecfd..b81085687 100644
--- a/gstreamer/src/subclass/pad.rs
+++ b/gstreamer/src/subclass/pad.rs
@@ -150,7 +150,7 @@ mod tests {
         pad.link(&otherpad).unwrap();
         pad.unlink(&otherpad).unwrap();
 
-        let imp = imp::TestPad::from_instance(&pad);
+        let imp = pad.imp();
         assert!(imp.linked.load(atomic::Ordering::SeqCst));
         assert!(imp.unlinked.load(atomic::Ordering::SeqCst));
     }