--- a/gfx/webrender_bindings/src/bindings.rs
+++ b/gfx/webrender_bindings/src/bindings.rs
@@ -480,17 +480,19 @@ pub extern "C" fn wr_renderer_current_ep
         return true;
     }
     return false;
 }
 
 /// cbindgen:postfix=WR_DESTRUCTOR_SAFE_FUNC
 #[no_mangle]
 pub unsafe extern "C" fn wr_renderer_delete(renderer: *mut Renderer) {
-    Box::from_raw(renderer);
+    let renderer = Box::from_raw(renderer);
+    renderer.deinit();
+    // let renderer go out of scope and get dropped
 }
 
 pub struct WrRenderedEpochs {
     data: Vec<(WrPipelineId, WrEpoch)>,
 }
 
 #[no_mangle]
 pub unsafe extern "C" fn wr_renderer_flush_rendered_epochs(renderer: &mut Renderer) -> *mut WrRenderedEpochs {