diff --git a/examples/plugin/rendering_plugins/rendering_plugins.sdf b/examples/plugin/rendering_plugins/rendering_plugins.sdf
index 785a510bdc..b25fd1a4f6 100644
--- a/examples/plugin/rendering_plugins/rendering_plugins.sdf
+++ b/examples/plugin/rendering_plugins/rendering_plugins.sdf
@@ -79,7 +79,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/scripts/log_video_recorder/log_video_recorder.sdf b/examples/scripts/log_video_recorder/log_video_recorder.sdf
index cde3d0cc51..a330ade288 100644
--- a/examples/scripts/log_video_recorder/log_video_recorder.sdf
+++ b/examples/scripts/log_video_recorder/log_video_recorder.sdf
@@ -75,7 +75,6 @@
           <property type='bool' key='showTitleBar'>false</property>
           <property type='bool' key='resizable'>false</property>
           <property type='double' key='height'>72</property>
-          <property type='double' key='width'>121</property>
           <property type='double' key='z'>1</property>
           <property type='string' key='state'>floating</property>
           <anchors target='3D View'>
diff --git a/examples/worlds/boundingbox_camera.sdf b/examples/worlds/boundingbox_camera.sdf
index 4aa95a96ae..7697d17684 100644
--- a/examples/worlds/boundingbox_camera.sdf
+++ b/examples/worlds/boundingbox_camera.sdf
@@ -82,7 +82,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/camera_sensor.sdf b/examples/worlds/camera_sensor.sdf
index 89a71652a8..3d967d701e 100644
--- a/examples/worlds/camera_sensor.sdf
+++ b/examples/worlds/camera_sensor.sdf
@@ -92,7 +92,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/dem_monterey_bay.sdf b/examples/worlds/dem_monterey_bay.sdf
index 953c7178c2..7f2d170121 100644
--- a/examples/worlds/dem_monterey_bay.sdf
+++ b/examples/worlds/dem_monterey_bay.sdf
@@ -71,7 +71,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/dem_moon.sdf b/examples/worlds/dem_moon.sdf
index 8cbbe830f9..a1de71ad5e 100644
--- a/examples/worlds/dem_moon.sdf
+++ b/examples/worlds/dem_moon.sdf
@@ -78,7 +78,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/dem_volcano.sdf b/examples/worlds/dem_volcano.sdf
index 979f0ca383..f48b2779a4 100644
--- a/examples/worlds/dem_volcano.sdf
+++ b/examples/worlds/dem_volcano.sdf
@@ -70,7 +70,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/depth_camera_sensor.sdf b/examples/worlds/depth_camera_sensor.sdf
index 5f17082d60..e666d12f42 100644
--- a/examples/worlds/depth_camera_sensor.sdf
+++ b/examples/worlds/depth_camera_sensor.sdf
@@ -82,7 +82,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/fuel_textured_mesh.sdf b/examples/worlds/fuel_textured_mesh.sdf
index 7ec952f40e..251e195810 100644
--- a/examples/worlds/fuel_textured_mesh.sdf
+++ b/examples/worlds/fuel_textured_mesh.sdf
@@ -95,7 +95,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/grid.sdf b/examples/worlds/grid.sdf
index 62028f2f84..184a946f85 100644
--- a/examples/worlds/grid.sdf
+++ b/examples/worlds/grid.sdf
@@ -67,7 +67,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/lrauv_control_demo.sdf b/examples/worlds/lrauv_control_demo.sdf
index bf0d43a12d..ebd990b301 100644
--- a/examples/worlds/lrauv_control_demo.sdf
+++ b/examples/worlds/lrauv_control_demo.sdf
@@ -111,7 +111,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/minimal_scene.sdf b/examples/worlds/minimal_scene.sdf
index ae6c78df09..59c67d10cd 100644
--- a/examples/worlds/minimal_scene.sdf
+++ b/examples/worlds/minimal_scene.sdf
@@ -134,7 +134,6 @@ Features:
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/optical_tactile_sensor_plugin.sdf b/examples/worlds/optical_tactile_sensor_plugin.sdf
index 2920a788ee..fcda4ad605 100644
--- a/examples/worlds/optical_tactile_sensor_plugin.sdf
+++ b/examples/worlds/optical_tactile_sensor_plugin.sdf
@@ -97,7 +97,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/plot_3d.sdf b/examples/worlds/plot_3d.sdf
index 2f0ed9874c..8abbd11a16 100644
--- a/examples/worlds/plot_3d.sdf
+++ b/examples/worlds/plot_3d.sdf
@@ -71,7 +71,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/projector.sdf b/examples/worlds/projector.sdf
index d2a601c348..00fa8747ce 100644
--- a/examples/worlds/projector.sdf
+++ b/examples/worlds/projector.sdf
@@ -97,7 +97,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/resource_spawner.sdf b/examples/worlds/resource_spawner.sdf
index ec9eb90392..ab101d4b38 100644
--- a/examples/worlds/resource_spawner.sdf
+++ b/examples/worlds/resource_spawner.sdf
@@ -81,7 +81,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
           <property type="string" key="state">floating</property>
           <anchors target="3D View">
diff --git a/examples/worlds/segmentation_camera.sdf b/examples/worlds/segmentation_camera.sdf
index c8644c42ae..c5f4df7def 100644
--- a/examples/worlds/segmentation_camera.sdf
+++ b/examples/worlds/segmentation_camera.sdf
@@ -85,7 +85,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/sensors_demo.sdf b/examples/worlds/sensors_demo.sdf
index 7bc724857f..3b6d49bbc9 100644
--- a/examples/worlds/sensors_demo.sdf
+++ b/examples/worlds/sensors_demo.sdf
@@ -87,7 +87,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/shader_param.sdf b/examples/worlds/shader_param.sdf
index 1c47a001e1..ae76f08d71 100644
--- a/examples/worlds/shader_param.sdf
+++ b/examples/worlds/shader_param.sdf
@@ -87,7 +87,6 @@ ShaderParam visual plugin over time.
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/sky.sdf b/examples/worlds/sky.sdf
index c1e2c620d5..e001ae59e5 100644
--- a/examples/worlds/sky.sdf
+++ b/examples/worlds/sky.sdf
@@ -70,7 +70,6 @@ Currently only supported using ogre2 rendering engine plugin.
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/spherical_coordinates.sdf b/examples/worlds/spherical_coordinates.sdf
index 1519bd64d7..5f76fe3844 100644
--- a/examples/worlds/spherical_coordinates.sdf
+++ b/examples/worlds/spherical_coordinates.sdf
@@ -163,7 +163,6 @@ gz service -s /world/spherical_coordinates/set_spherical_coordinates \
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/thermal_camera.sdf b/examples/worlds/thermal_camera.sdf
index c857c36278..e585cbe66f 100644
--- a/examples/worlds/thermal_camera.sdf
+++ b/examples/worlds/thermal_camera.sdf
@@ -88,7 +88,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/tracked_vehicle_simple.sdf b/examples/worlds/tracked_vehicle_simple.sdf
index 0334c4666c..42f830fabd 100644
--- a/examples/worlds/tracked_vehicle_simple.sdf
+++ b/examples/worlds/tracked_vehicle_simple.sdf
@@ -1,3 +1,4 @@
+<?xml version="1.0" ?>
 <sdf version='1.7'>
     <world name='default'>
         <!--
@@ -1780,7 +1781,6 @@
                     <property type='bool' key='showTitleBar'>0</property>
                     <property type='bool' key='resizable'>0</property>
                     <property type='double' key='height'>72</property>
-                    <property type='double' key='width'>121</property>
                     <property type='double' key='z'>1</property>
                     <property type='string' key='state'>floating</property>
                     <anchors target='3D View'>
diff --git a/examples/worlds/triggered_camera_sensor.sdf b/examples/worlds/triggered_camera_sensor.sdf
index 23e2a027d2..38c6af1d05 100644
--- a/examples/worlds/triggered_camera_sensor.sdf
+++ b/examples/worlds/triggered_camera_sensor.sdf
@@ -98,7 +98,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/tunnel.sdf b/examples/worlds/tunnel.sdf
index 2b70a68648..a902e40f03 100644
--- a/examples/worlds/tunnel.sdf
+++ b/examples/worlds/tunnel.sdf
@@ -108,7 +108,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/video_record_dbl_pendulum.sdf b/examples/worlds/video_record_dbl_pendulum.sdf
index aeebffde37..e5eed30f0d 100644
--- a/examples/worlds/video_record_dbl_pendulum.sdf
+++ b/examples/worlds/video_record_dbl_pendulum.sdf
@@ -164,7 +164,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/visibility.sdf b/examples/worlds/visibility.sdf
index 3f0f184837..ed669970a2 100644
--- a/examples/worlds/visibility.sdf
+++ b/examples/worlds/visibility.sdf
@@ -99,7 +99,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/visualize_contacts.sdf b/examples/worlds/visualize_contacts.sdf
index 4e78353353..e39092e014 100644
--- a/examples/worlds/visualize_contacts.sdf
+++ b/examples/worlds/visualize_contacts.sdf
@@ -89,7 +89,6 @@ Contacts will be visualized as blue spheres and green cylinders.
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/visualize_lidar.sdf b/examples/worlds/visualize_lidar.sdf
index 54dca0b06c..61f9397505 100644
--- a/examples/worlds/visualize_lidar.sdf
+++ b/examples/worlds/visualize_lidar.sdf
@@ -83,7 +83,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/examples/worlds/wide_angle_camera.sdf b/examples/worlds/wide_angle_camera.sdf
index 602f9cd7cf..2fb2ddd773 100644
--- a/examples/worlds/wide_angle_camera.sdf
+++ b/examples/worlds/wide_angle_camera.sdf
@@ -133,7 +133,6 @@
           <property type="bool" key="showTitleBar">false</property>
           <property type="bool" key="resizable">false</property>
           <property type="double" key="height">72</property>
-          <property type="double" key="width">121</property>
           <property type="double" key="z">1</property>
 
           <property type="string" key="state">floating</property>
diff --git a/src/gui/playback_gui.config b/src/gui/playback_gui.config
index f911c3730b..c76f551a71 100644
--- a/src/gui/playback_gui.config
+++ b/src/gui/playback_gui.config
@@ -111,7 +111,6 @@
     <property type="bool" key="showTitleBar">false</property>
     <property type="bool" key="resizable">false</property>
     <property type="double" key="height">72</property>
-    <property type="double" key="width">121</property>
     <property type="double" key="z">1</property>
 
     <property type="string" key="state">floating</property>