diff --git a/thermion_dart/lib/src/viewer/src/thermion_viewer_base.dart b/thermion_dart/lib/src/viewer/src/thermion_viewer_base.dart
index 20b66672..40763b4c 100644
--- a/thermion_dart/lib/src/viewer/src/thermion_viewer_base.dart
+++ b/thermion_dart/lib/src/viewer/src/thermion_viewer_base.dart
@@ -88,11 +88,6 @@ abstract class ThermionViewer {
   ///
   Future destroyRenderTarget(covariant RenderTarget renderTarget);
 
-  ///
-  ///
-  ///
-  Future setRenderTarget(covariant RenderTarget? renderTarget);
-
   ///
   ///
   ///