diff --git a/eeschema/sim/sim_plot_frame_base.cpp b/eeschema/sim/sim_plot_frame_base.cpp
index e6e8f2193c..cfb4b4475d 100644
--- a/eeschema/sim/sim_plot_frame_base.cpp
+++ b/eeschema/sim/sim_plot_frame_base.cpp
@@ -94,14 +94,7 @@ SIM_PLOT_FRAME_BASE::SIM_PLOT_FRAME_BASE( wxWindow* parent, wxWindowID id, const
 	bSizer7->Add( m_staticText2, 0, wxALL|wxEXPAND, 5 );
 	
 	m_signals = new wxListBox( m_panel7, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0, NULL, wxLB_SINGLE|wxLB_SORT ); 
-	bSizer7->Add( m_signals, 0, wxALL|wxEXPAND, 5 );
-	
-	m_staticText21 = new wxStaticText( m_panel7, wxID_ANY, _("Parameters"), wxDefaultPosition, wxDefaultSize, wxALIGN_CENTRE );
-	m_staticText21->Wrap( -1 );
-	bSizer7->Add( m_staticText21, 0, wxALL|wxEXPAND, 5 );
-	
-	m_signals1 = new wxListBox( m_panel7, wxID_ANY, wxDefaultPosition, wxDefaultSize, 0, NULL, wxLB_MULTIPLE|wxLB_SORT ); 
-	bSizer7->Add( m_signals1, 0, wxALL|wxEXPAND, 5 );
+	bSizer7->Add( m_signals, 1, wxALL|wxEXPAND, 5 );
 	
 	wxFlexGridSizer* fgSizer1;
 	fgSizer1 = new wxFlexGridSizer( 1, 0, 0, 0 );
diff --git a/eeschema/sim/sim_plot_frame_base.fbp b/eeschema/sim/sim_plot_frame_base.fbp
index 100d9c50ca..e837859bb3 100644
--- a/eeschema/sim/sim_plot_frame_base.fbp
+++ b/eeschema/sim/sim_plot_frame_base.fbp
@@ -133,7 +133,7 @@
                 <event name="OnSetFocus"></event>
                 <event name="OnSize"></event>
                 <event name="OnUpdateUI"></event>
-                <object class="wxMenu" expanded="1">
+                <object class="wxMenu" expanded="0">
                     <property name="label">File</property>
                     <property name="name">m_fileMenu</property>
                     <property name="permission">protected</property>
@@ -206,7 +206,7 @@
                         <event name="OnUpdateUI"></event>
                     </object>
                 </object>
-                <object class="wxMenu" expanded="1">
+                <object class="wxMenu" expanded="0">
                     <property name="label">View</property>
                     <property name="name">m_viewMenu</property>
                     <property name="permission">protected</property>
@@ -281,11 +281,11 @@
                 <property name="name">bSizer1</property>
                 <property name="orient">wxVERTICAL</property>
                 <property name="permission">none</property>
-                <object class="sizeritem" expanded="1">
+                <object class="sizeritem" expanded="0">
                     <property name="border">5</property>
                     <property name="flag">wxEXPAND | wxALL</property>
                     <property name="proportion">3</property>
-                    <object class="wxPanel" expanded="1">
+                    <object class="wxPanel" expanded="0">
                         <property name="BottomDockable">1</property>
                         <property name="LeftDockable">1</property>
                         <property name="RightDockable">1</property>
@@ -359,16 +359,16 @@
                         <event name="OnSetFocus"></event>
                         <event name="OnSize"></event>
                         <event name="OnUpdateUI"></event>
-                        <object class="wxBoxSizer" expanded="1">
+                        <object class="wxBoxSizer" expanded="0">
                             <property name="minimum_size"></property>
                             <property name="name">bSizer5</property>
                             <property name="orient">wxHORIZONTAL</property>
                             <property name="permission">none</property>
-                            <object class="sizeritem" expanded="1">
+                            <object class="sizeritem" expanded="0">
                                 <property name="border">5</property>
                                 <property name="flag">wxEXPAND | wxALL</property>
                                 <property name="proportion">3</property>
-                                <object class="wxPanel" expanded="1">
+                                <object class="wxPanel" expanded="0">
                                     <property name="BottomDockable">1</property>
                                     <property name="LeftDockable">1</property>
                                     <property name="RightDockable">1</property>
@@ -542,11 +542,11 @@
                                     </object>
                                 </object>
                             </object>
-                            <object class="sizeritem" expanded="1">
+                            <object class="sizeritem" expanded="0">
                                 <property name="border">5</property>
                                 <property name="flag">wxEXPAND | wxALL</property>
                                 <property name="proportion">1</property>
-                                <object class="wxPanel" expanded="1">
+                                <object class="wxPanel" expanded="0">
                                     <property name="BottomDockable">1</property>
                                     <property name="LeftDockable">1</property>
                                     <property name="RightDockable">1</property>
@@ -620,7 +620,7 @@
                                     <event name="OnSetFocus"></event>
                                     <event name="OnSize"></event>
                                     <event name="OnUpdateUI"></event>
-                                    <object class="wxBoxSizer" expanded="1">
+                                    <object class="wxBoxSizer" expanded="0">
                                         <property name="minimum_size"></property>
                                         <property name="name">bSizer7</property>
                                         <property name="orient">wxVERTICAL</property>
@@ -711,7 +711,7 @@
                                         <object class="sizeritem" expanded="0">
                                             <property name="border">5</property>
                                             <property name="flag">wxALL|wxEXPAND</property>
-                                            <property name="proportion">0</property>
+                                            <property name="proportion">1</property>
                                             <object class="wxListBox" expanded="0">
                                                 <property name="BottomDockable">1</property>
                                                 <property name="LeftDockable">1</property>
@@ -800,178 +800,7 @@
                                             <property name="border">5</property>
                                             <property name="flag">wxALL|wxEXPAND</property>
                                             <property name="proportion">0</property>
-                                            <object class="wxStaticText" expanded="0">
-                                                <property name="BottomDockable">1</property>
-                                                <property name="LeftDockable">1</property>
-                                                <property name="RightDockable">1</property>
-                                                <property name="TopDockable">1</property>
-                                                <property name="aui_layer"></property>
-                                                <property name="aui_name"></property>
-                                                <property name="aui_position"></property>
-                                                <property name="aui_row"></property>
-                                                <property name="best_size"></property>
-                                                <property name="bg"></property>
-                                                <property name="caption"></property>
-                                                <property name="caption_visible">1</property>
-                                                <property name="center_pane">0</property>
-                                                <property name="close_button">1</property>
-                                                <property name="context_help"></property>
-                                                <property name="context_menu">1</property>
-                                                <property name="default_pane">0</property>
-                                                <property name="dock">Dock</property>
-                                                <property name="dock_fixed">0</property>
-                                                <property name="docking">Left</property>
-                                                <property name="enabled">1</property>
-                                                <property name="fg"></property>
-                                                <property name="floatable">1</property>
-                                                <property name="font"></property>
-                                                <property name="gripper">0</property>
-                                                <property name="hidden">0</property>
-                                                <property name="id">wxID_ANY</property>
-                                                <property name="label">Parameters</property>
-                                                <property name="max_size"></property>
-                                                <property name="maximize_button">0</property>
-                                                <property name="maximum_size"></property>
-                                                <property name="min_size"></property>
-                                                <property name="minimize_button">0</property>
-                                                <property name="minimum_size"></property>
-                                                <property name="moveable">1</property>
-                                                <property name="name">m_staticText21</property>
-                                                <property name="pane_border">1</property>
-                                                <property name="pane_position"></property>
-                                                <property name="pane_size"></property>
-                                                <property name="permission">protected</property>
-                                                <property name="pin_button">1</property>
-                                                <property name="pos"></property>
-                                                <property name="resize">Resizable</property>
-                                                <property name="show">1</property>
-                                                <property name="size"></property>
-                                                <property name="style">wxALIGN_CENTRE</property>
-                                                <property name="subclass"></property>
-                                                <property name="toolbar_pane">0</property>
-                                                <property name="tooltip"></property>
-                                                <property name="window_extra_style"></property>
-                                                <property name="window_name"></property>
-                                                <property name="window_style"></property>
-                                                <property name="wrap">-1</property>
-                                                <event name="OnChar"></event>
-                                                <event name="OnEnterWindow"></event>
-                                                <event name="OnEraseBackground"></event>
-                                                <event name="OnKeyDown"></event>
-                                                <event name="OnKeyUp"></event>
-                                                <event name="OnKillFocus"></event>
-                                                <event name="OnLeaveWindow"></event>
-                                                <event name="OnLeftDClick"></event>
-                                                <event name="OnLeftDown"></event>
-                                                <event name="OnLeftUp"></event>
-                                                <event name="OnMiddleDClick"></event>
-                                                <event name="OnMiddleDown"></event>
-                                                <event name="OnMiddleUp"></event>
-                                                <event name="OnMotion"></event>
-                                                <event name="OnMouseEvents"></event>
-                                                <event name="OnMouseWheel"></event>
-                                                <event name="OnPaint"></event>
-                                                <event name="OnRightDClick"></event>
-                                                <event name="OnRightDown"></event>
-                                                <event name="OnRightUp"></event>
-                                                <event name="OnSetFocus"></event>
-                                                <event name="OnSize"></event>
-                                                <event name="OnUpdateUI"></event>
-                                            </object>
-                                        </object>
-                                        <object class="sizeritem" expanded="0">
-                                            <property name="border">5</property>
-                                            <property name="flag">wxALL|wxEXPAND</property>
-                                            <property name="proportion">0</property>
-                                            <object class="wxListBox" expanded="0">
-                                                <property name="BottomDockable">1</property>
-                                                <property name="LeftDockable">1</property>
-                                                <property name="RightDockable">1</property>
-                                                <property name="TopDockable">1</property>
-                                                <property name="aui_layer"></property>
-                                                <property name="aui_name"></property>
-                                                <property name="aui_position"></property>
-                                                <property name="aui_row"></property>
-                                                <property name="best_size"></property>
-                                                <property name="bg"></property>
-                                                <property name="caption"></property>
-                                                <property name="caption_visible">1</property>
-                                                <property name="center_pane">0</property>
-                                                <property name="choices"></property>
-                                                <property name="close_button">1</property>
-                                                <property name="context_help"></property>
-                                                <property name="context_menu">1</property>
-                                                <property name="default_pane">0</property>
-                                                <property name="dock">Dock</property>
-                                                <property name="dock_fixed">0</property>
-                                                <property name="docking">Left</property>
-                                                <property name="enabled">1</property>
-                                                <property name="fg"></property>
-                                                <property name="floatable">1</property>
-                                                <property name="font"></property>
-                                                <property name="gripper">0</property>
-                                                <property name="hidden">0</property>
-                                                <property name="id">wxID_ANY</property>
-                                                <property name="max_size"></property>
-                                                <property name="maximize_button">0</property>
-                                                <property name="maximum_size"></property>
-                                                <property name="min_size"></property>
-                                                <property name="minimize_button">0</property>
-                                                <property name="minimum_size"></property>
-                                                <property name="moveable">1</property>
-                                                <property name="name">m_signals1</property>
-                                                <property name="pane_border">1</property>
-                                                <property name="pane_position"></property>
-                                                <property name="pane_size"></property>
-                                                <property name="permission">protected</property>
-                                                <property name="pin_button">1</property>
-                                                <property name="pos"></property>
-                                                <property name="resize">Resizable</property>
-                                                <property name="show">1</property>
-                                                <property name="size"></property>
-                                                <property name="style">wxLB_MULTIPLE|wxLB_SORT</property>
-                                                <property name="subclass"></property>
-                                                <property name="toolbar_pane">0</property>
-                                                <property name="tooltip"></property>
-                                                <property name="validator_data_type"></property>
-                                                <property name="validator_style">wxFILTER_NONE</property>
-                                                <property name="validator_type">wxDefaultValidator</property>
-                                                <property name="validator_variable"></property>
-                                                <property name="window_extra_style"></property>
-                                                <property name="window_name"></property>
-                                                <property name="window_style"></property>
-                                                <event name="OnChar"></event>
-                                                <event name="OnEnterWindow"></event>
-                                                <event name="OnEraseBackground"></event>
-                                                <event name="OnKeyDown"></event>
-                                                <event name="OnKeyUp"></event>
-                                                <event name="OnKillFocus"></event>
-                                                <event name="OnLeaveWindow"></event>
-                                                <event name="OnLeftDClick"></event>
-                                                <event name="OnLeftDown"></event>
-                                                <event name="OnLeftUp"></event>
-                                                <event name="OnListBox"></event>
-                                                <event name="OnListBoxDClick"></event>
-                                                <event name="OnMiddleDClick"></event>
-                                                <event name="OnMiddleDown"></event>
-                                                <event name="OnMiddleUp"></event>
-                                                <event name="OnMotion"></event>
-                                                <event name="OnMouseEvents"></event>
-                                                <event name="OnMouseWheel"></event>
-                                                <event name="OnPaint"></event>
-                                                <event name="OnRightDClick"></event>
-                                                <event name="OnRightDown"></event>
-                                                <event name="OnRightUp"></event>
-                                                <event name="OnSetFocus"></event>
-                                                <event name="OnSize"></event>
-                                                <event name="OnUpdateUI"></event>
-                                            </object>
-                                        </object>
-                                        <object class="sizeritem" expanded="1">
-                                            <property name="border">5</property>
-                                            <property name="flag">wxALL|wxEXPAND</property>
-                                            <property name="proportion">0</property>
-                                            <object class="wxFlexGridSizer" expanded="1">
+                                            <object class="wxFlexGridSizer" expanded="0">
                                                 <property name="cols">0</property>
                                                 <property name="flexible_direction">wxBOTH</property>
                                                 <property name="growablecols"></property>
@@ -983,11 +812,11 @@
                                                 <property name="permission">none</property>
                                                 <property name="rows">1</property>
                                                 <property name="vgap">0</property>
-                                                <object class="sizeritem" expanded="1">
+                                                <object class="sizeritem" expanded="0">
                                                     <property name="border">5</property>
                                                     <property name="flag">wxALL</property>
                                                     <property name="proportion">0</property>
-                                                    <object class="wxButton" expanded="1">
+                                                    <object class="wxButton" expanded="0">
                                                         <property name="BottomDockable">1</property>
                                                         <property name="LeftDockable">1</property>
                                                         <property name="RightDockable">1</property>
@@ -1255,11 +1084,11 @@
                         </object>
                     </object>
                 </object>
-                <object class="sizeritem" expanded="1">
+                <object class="sizeritem" expanded="0">
                     <property name="border">5</property>
                     <property name="flag">wxEXPAND | wxALL</property>
                     <property name="proportion">1</property>
-                    <object class="wxPanel" expanded="1">
+                    <object class="wxPanel" expanded="0">
                         <property name="BottomDockable">1</property>
                         <property name="LeftDockable">1</property>
                         <property name="RightDockable">1</property>
@@ -1333,7 +1162,7 @@
                         <event name="OnSetFocus"></event>
                         <event name="OnSize"></event>
                         <event name="OnUpdateUI"></event>
-                        <object class="wxBoxSizer" expanded="1">
+                        <object class="wxBoxSizer" expanded="0">
                             <property name="minimum_size"></property>
                             <property name="name">bSizer3</property>
                             <property name="orient">wxVERTICAL</property>
diff --git a/eeschema/sim/sim_plot_frame_base.h b/eeschema/sim/sim_plot_frame_base.h
index f6e5873060..9e76574943 100644
--- a/eeschema/sim/sim_plot_frame_base.h
+++ b/eeschema/sim/sim_plot_frame_base.h
@@ -52,8 +52,6 @@ class SIM_PLOT_FRAME_BASE : public KIWAY_PLAYER
 		wxPanel* m_panel7;
 		wxStaticText* m_staticText2;
 		wxListBox* m_signals;
-		wxStaticText* m_staticText21;
-		wxListBox* m_signals1;
 		wxButton* m_simulateBtn;
 		wxButton* m_probeBtn;
 		wxButton* m_tuneBtn;