diff --git a/scene/main/viewport.cpp b/scene/main/viewport.cpp
index 5999b85988e3..22418641c091 100644
--- a/scene/main/viewport.cpp
+++ b/scene/main/viewport.cpp
@@ -4918,7 +4918,6 @@ Viewport::Viewport() {
 
 	String id = itos(get_instance_id());
 	input_group = "_vp_input" + id;
-	gui_input_group = "_vp_gui_input" + id;
 	unhandled_input_group = "_vp_unhandled_input" + id;
 	shortcut_input_group = "_vp_shortcut_input" + id;
 	unhandled_key_input_group = "_vp_unhandled_key_input" + id;
diff --git a/scene/main/viewport.h b/scene/main/viewport.h
index 43a89c8a0b1b..4ac9f1841608 100644
--- a/scene/main/viewport.h
+++ b/scene/main/viewport.h
@@ -276,7 +276,6 @@ class Viewport : public Node {
 	Ref<World2D> world_2d;
 
 	StringName input_group;
-	StringName gui_input_group;
 	StringName shortcut_input_group;
 	StringName unhandled_input_group;
 	StringName unhandled_key_input_group;