diff --git a/include/ftxui/component/screen_interactive.hpp b/include/ftxui/component/screen_interactive.hpp
index 8b90a2be..950b1931 100644
--- a/include/ftxui/component/screen_interactive.hpp
+++ b/include/ftxui/component/screen_interactive.hpp
@@ -105,15 +105,14 @@ class ScreenInteractive : public Screen {
     Fullscreen,
     TerminalOutput,
   };
-  Dimension dimension_ = Dimension::Fixed;
-  bool use_alternative_screen_ = false;
+  const Dimension dimension_ = Dimension::Fixed;
+  const int dimension_fixed_x_ = 0;
+  const int dimension_fixed_y_ = 0;
+  const bool use_alternative_screen_ = false;
 
   ScreenInteractive(Dimension dimension,
                     bool use_alternative_screen);
-  ScreenInteractive(Dimension dimension,
-                    int dimx,
-                    int dimy,
-                    bool use_alternative_screen);
+  ScreenInteractive(int dimx, int dimy); // Dimension::Fixed constructor.
 
   bool track_mouse_ = true;
 
@@ -129,8 +128,6 @@ class ScreenInteractive : public Screen {
   bool animation_requested_ = false;
   animation::TimePoint previous_animation_time_;
 
-  int fixed_dimx_ = 0;
-  int fixed_dimy_ = 0;
   int cursor_x_ = 1;
   int cursor_y_ = 1;
 
diff --git a/src/ftxui/component/screen_interactive.cpp b/src/ftxui/component/screen_interactive.cpp
index bce10aeb..deddc0c5 100644
--- a/src/ftxui/component/screen_interactive.cpp
+++ b/src/ftxui/component/screen_interactive.cpp
@@ -354,25 +354,16 @@ ScreenInteractive::ScreenInteractive(Dimension dimension,
   task_receiver_ = MakeReceiver<Task>();
 }
 
-ScreenInteractive::ScreenInteractive(Dimension dimension,
-                                     int dimx,
-                                     int dimy,
-                                     bool use_alternative_screen)
+ScreenInteractive::ScreenInteractive(int dimx, int dimy)
     : Screen(0, 0),
-      dimension_(dimension),
-      fixed_dimx_(dimx), fixed_dimy_(dimy),
-      use_alternative_screen_(use_alternative_screen) {
+      dimension_fixed_x_(dimx),
+      dimension_fixed_y_(dimy) {
   task_receiver_ = MakeReceiver<Task>();
 }
 
 // static
 ScreenInteractive ScreenInteractive::FixedSize(int dimx, int dimy) {
-  return {
-      Dimension::Fixed,
-      dimx,
-      dimy,
-      false,
-  };
+  return { dimx, dimy };
 }
 
 /// Create a ScreenInteractive taking the full terminal size. This is using the
@@ -404,6 +395,8 @@ ScreenInteractive ScreenInteractive::FullscreenAlternateScreen() {
   };
 }
 
+/// Create a ScreenInteractive whose width match the terminal output width and
+/// the height matches the component being drawn.
 // static
 ScreenInteractive ScreenInteractive::TerminalOutput() {
   return {
@@ -412,6 +405,8 @@ ScreenInteractive ScreenInteractive::TerminalOutput() {
   };
 }
 
+/// Create a ScreenInteractive whose width and height match the component being
+/// drawn.
 // static
 ScreenInteractive ScreenInteractive::FitComponent() {
   return {
@@ -905,8 +900,8 @@ void ScreenInteractive::Draw(Component component) {
   document->ComputeRequirement();
   switch (dimension_) {
     case Dimension::Fixed:
-      dimx = fixed_dimx_;
-      dimy = fixed_dimy_;
+      dimx = dimension_fixed_x_;
+      dimy = dimension_fixed_y_;
       break;
     case Dimension::TerminalOutput:
       dimx = terminal.dimx;